CN101331353A - Marine hose - Google Patents

Abstract

A marine hose which, when a fluid being transported has leaked from the channel for the fluid, prevents the fluid from leaking out of the hose and in which whether a leak from the channel has occurred or not can be visually recognized externally without fail. The marine hose comprises a hose main body, a cylindrical connecting member inserted in an opening of the hose main body, and a hose armor with which the periphery of the hose main body is covered, wherein the connecting member comprises an insertion part inserted in the opening of the hose main body and a projecting part having a flange, the flange having at least one through-hole, the through-hole having, disposed therein, a rod member having a labeling member wound therearound, the marine hose having a liquid leakage perception chamber disposed behind the through-hole. The marine hose has such a constitution that the fluid which has leaked out of a fluid being transported through the cylindrical channel is introduced into the liquid leakage perception chamber, and a front part of the rod member and the labeling member are pressed out of the through-hole by the pressing force of the fluid introduced, whereby the labeling member is released from the hose.

Description

Marine hose

Technical field

The present invention relates to a kind of marine hose that is used for conveying crude oil etc., more say with describing in detail and relate to a kind of marine hose with leak detection mechanism, this leak detection mechanism can prevent that conveyance fluid from leaking into outside the pipe when its stream leaks, and simultaneously can be from visual observation to having or not leakage from its stream.

Background technique

In the past, directly and land when being connected the transfer tasks of carrying out former wet goods, linked many and can not leak into former wet goods conveyance fluid marine and can be reliably the flexible pipe (so-called marine hose) of its transfer be used mooring oil carrier across the sea.

At this, the overload load when impact that the wind and rain during sometimes because of severse weather or the impact of wave, the mixed and disorderly processing when marine hose links operation cause or conveyance fluid etc. cause marine hose bending or bending.Consider from the aspect that prevents marine oil pollution, it is highly important that and constitute such marine hose, promptly, even producing under the situation of damage in flexible pipe inside because of this bending or bending etc., conveyance fluid can not leak into outside the marine hose yet, and can directly confirm from the outside to damage inner generation of flexible pipe.

The applicant has at first proposed a kind of such marine hose in Japanese kokai publication hei 5-99782 communique and No. 3430211 specification of patent: utilize the pushing force that conveyance fluid had that breaks away from the original stream of flexible pipe and leak out, make the bar member move to the outer surface of flexible pipe, thus can be from the visual observation to the leakage situation.In addition, a kind of such marine hose has been proposed: be provided with the baton round that contains pigment agent in flexible pipe inside in TOHKEMY 2001-132876 communique, utilize the pushing force of the conveyance fluid that breaks away from the original stream of flexible pipe and leak out, the bar member is moved forward and run through baton round, pigment agent is emitted outside flexible pipe, thereby improve from the outside the observation of leakage situation.

But, for disclosed marine hose in above-mentioned Japanese kokai publication hei 5-99782 communique and No. 3430211 specification of patent, textural at it, size to the bar member that moves to the flexible pipe outer surface limits to some extent, sometimes the size of bar member can only be smaller, is difficult to detect apace from the outside leakage of conveyance fluid.On the other hand, for the described marine hose of above-mentioned TOHKEMY 2001-132876 communique, though,, produce following hidden danger sometimes by the object of observation itself is replaced as the visual observation that pigment agent further improves leakage situation from the bar member in view of above-mentioned condition.

(a) because the size that is housed in the baton round in the flexible pipe is limited to some extent, so the pigment agent capacity is also restricted at the textural of marine hose.Because must be diffused into fully and it is detected before marine in flexible pipe, being released to pigment agent in the seawater, so to cause detecting from the outside time ratio that conveyance fluid leaks shorter because of ocean current sometimes.

(b) adopt when making the bar member run through the mechanism of the baton round that contains pigment agent from the outside because the stroke of bar member can only be very short, so from make baton round fully opening this consider to also have the leeway of improvement on the one hand.

(c) also can pigment agent remain in the baton round sometimes, produce the pigment agent that fully is not used to survey leakage.Under these circumstances, the tendency of above-mentioned (a) can be more obvious.

When the conveyance fluid of handling as crude oil that shifts with high speed and high pressure, for guaranteeing that not having the ground of leakage shifts conveyance fluid reliably, not only take two layers, three layers anti-leak parts, and particularly importantly, quick detection leakage situation when contingency takes place to leak is changed flexible pipe or is adjusted shift pressure etc.

Therefore, wish a kind of marine hose that can confirm leakage situation more reliably of exploitation.

Summary of the invention

The object of the present invention is to provide a kind ofly when its stream leaks, can prevent to leak into the flexible pipe outside at conveyance fluid, and simultaneously can be from visual observation to from its stream leak free marine hose being arranged.

For solving above-mentioned problem, first marine hose with leak detection function of the present invention comprises the connector element and the flexible pipe frame of hose main body, tubular; Above-mentioned hose main body has the tubular stream; Above-mentioned connector element liquid thickly is inserted in the end opening portion or both ends open portion of this hose main body; Above-mentioned flexible pipe shell body fluid thickly coats above-mentioned hose main body outer circumferential face; It is characterized in that this marine hose constitutes, above-mentioned connector element has the insertion part and has protuberance in its front portion at its rear portion; Above-mentioned insertion part is inserted in the opening portion of above-mentioned hose main body; One is arranged in above-mentioned protuberance and this insertion part, has with this insertion part in abutting connection with ground along circumferentially protruding the convex strip portions that is arranged on the outer circumferential face in the form of a ring; On above-mentioned convex strip portions, a through hole is set at least along above-mentioned tubular path direction, in this through hole, be provided with the bar member that can forwards move, on this bar member, be wound with identification means, and be provided with at the rear of above-mentioned through hole and can be communicated in this through hole, the leak of liquid detecting chamber that thickly keeps by above-mentioned bar member rear portion and above-mentioned flexible pipe shell body fluid at ordinary times, the leak fluid that the conveyance fluid that will circulate in above-mentioned tubular stream goes out by the chaps and leakage that produces on the close joint interface of the liquid of above-mentioned hose main body and above-mentioned connector element, perhaps the leak fluid that goes out of the chaps and leakage that produces by the wall at the tubular stream of above-mentioned hose main body imports to aforesaid liquid leak detection chamber, the pushing force of utilizing this leak fluid to have is advanced above-mentioned bar member in above-mentioned through hole, its front portion and above-mentioned identification means are released outside the through hole, thereby made the identification means that is wound on above-mentioned bar component surface at the flexible pipe external opening.

In addition, second marine hose with leak detection function of the present invention comprises the connector element and the flexible pipe frame of hose main body, tubular; Above-mentioned hose main body has the tubular stream; Above-mentioned connector element liquid thickly is inserted in the end opening portion or both ends open portion of this hose main body; Above-mentioned flexible pipe shell body fluid thickly coats above-mentioned hose main body outer circumferential face; It is characterized in that this marine hose constitutes, above-mentioned connector element has the insertion part and has protuberance in its front portion at its rear portion; Above-mentioned insertion part is inserted in the opening portion of above-mentioned hose main body; One is arranged in above-mentioned protuberance and this insertion part, has with this insertion part in abutting connection with ground along circumferentially protruding the convex strip portions that is arranged on the outer circumferential face in the form of a ring; On above-mentioned convex strip portions, a through hole is set at least along above-mentioned tubular path direction, in this through hole, be provided with the knockout pin that can forwards move, and, the boundary position of the front end of the above-mentioned knockout pin in above-mentioned through hole or above-mentioned through hole and flexible pipe outside is provided with floatage body, these knockout pins and floatage body are connected by identification means, and, be provided with at the rear of above-mentioned through hole and can be communicated in leak of liquid detecting chamber this through hole, that thickly keep by above-mentioned bar member rear portion and above-mentioned flexible pipe shell body fluid at ordinary times;

The leak fluid that leak fluid that the conveyance fluid that will circulate in above-mentioned tubular stream goes out by the chaps and leakage that produces on the close joint interface of the liquid of above-mentioned hose main body and above-mentioned connector element or the chaps and leakage that produces by the wall at the tubular stream of above-mentioned hose main body go out imports to aforesaid liquid leak detection chamber, the pushing force of utilizing this leak fluid to have is advanced above-mentioned knockout pin in above-mentioned through hole, above-mentioned floatage body and identification means are released the flexible pipe outside, thus make above-mentioned identification means along with above-mentioned floatage body at the flexible pipe external opening.

As mentioned above, even marine hose conveyance fluid of the present invention leaks from its stream, there is the flexible pipe inside of fluid thickly to be coated owing to leak, so can prevent that also escape of liquid from arriving outside the marine hose by flexible pipe shell body fluid.

In addition, as leak detection mechanism, above-mentioned first marine hose of the present invention has such mechanism, promptly, the pushing force of utilizing leak fluid to have can be from visual observation to making bar member front portion move to the flexible pipe outside, owing to be wound with identification means in the bar component surface, so this identification means is after externally (in the seawater, in seawater surface or the atmosphere) opened, identification means can arrive from the farther position of marine hose.

On the other hand, as leak detection mechanism, above-mentioned second marine hose has such mechanism, promptly, the pushing force of utilizing leak fluid to have is advanced knockout pin, knockout pin promotes floatage body and moves it, thereby along with floatage body is emitted to the flexible pipe outside, make the identification means that is linked to this floatage body at the flexible pipe external opening, at this moment, the member that connects knockout pin and floatage body be identification means also externally (in the seawater, in seawater surface or the atmosphere) open and stretch, identification means also can arrive from the farther position of marine hose.

Thereby above-mentioned any one marine hose can both be improved significantly from the performance of visual observation leakage situation.

And, because this identification means is not to be diffused in the seawater, but keep solid state as pigment agent, so can be in the leakage that just can not detect conveyance fluid after after a while from the outside.

As above-mentioned identification means, when being preferably in the durability of guaranteeing identification means, the range estimation area of object of observation article (identification means) should be big as far as possible.For example, it is 0.05～3.00mm that employing has thickness, be preferably 0.10～1.50mm, when being more preferred from the member of band shape of 0.15～0.30mm, when guaranteeing visual observation, identification means is arrived from the farther position of marine hose, so preferable from observation property aspect.When thickness is too small, there is the situation of identification means fracture, and when thickness is excessive, there is the situation that diminishes observation property in the identification means tendency that shortens.

In addition, as above-mentioned identification means, the situation that has the member of above-mentioned band shape with employing is compared, to have external diameter in employing be 0.5～5.0mm, be preferably 1.0～3.0mm, when being more preferred from the member of the shape of twisting thread of 1.0～2.0m m, can make identification means arrive farther place, can further improve visual observation, so preferable.When external diameter is too small, exist identification means fracture, meticulous and cause observing relatively poor situation, there is the situation that diminishes observation property in the result as external diameter when excessive, the identification means tendency that shortens.

At this, consider that from improve observing the property aspect making identification means is that to send the member or the catoptrical member of fluorescence preferable.And, consider that from the durability aspect identification means is that the member of sea water resistance is preferable.

In addition, " sea water resistance " among the present invention patted the characteristic that also can keep full intensity even be meant by seawater.

As mentioned above, adopt the present invention, can provide a kind of when leaking, prevent conveyance fluid leak into outside the flexible pipe in, can observe leak free marine hose from the outside reliably.

Description of drawings

Fig. 1 is the approximate three-dimensional map and the sectional view of the marine hose of an expression example of the present invention.

Fig. 2 is the side view that explanation is wound with the bar member of banded identification means.

Fig. 3 is the figure of expression marine hose situation that leakage is given the alarm.

Fig. 4 is to being provided with the mode of many places folded back position to reverse coiling direction in position, is wound on the figure that the method on the minor diameter part of bar member describes having banded identification means.

Fig. 5 is the stereogram that the knockout pin composite component that marine hose adopted to other examples of the present invention describes.

Fig. 6 is a stereogram that the distortion example describes to the knockout pin composite component.

Fig. 7 is other stereograms that describe of distortion examples to the knockout pin composite component.

Fig. 8 is the sectional view of the marine hose of expression another example of the present invention.

Embodiment

Further describe embodiments of the present invention with reference to the accompanying drawings, but the invention is not restricted to following mode of execution.

Fig. 1 (A) is the approximate three-dimensional map of the marine hose 1 of an example of expression the present invention, and Fig. 1 (B) is the X-X sectional view among Fig. 1 (A).Shown in Fig. 1 (A), Fig. 1 (B), marine hose 1 comprises the connector element 3 and the flexible pipe frame 4 of hose main body 2, tubular; Above-mentioned hose main body 2 has tubular stream 10; Above-mentioned connector element 3 liquid thickly insert an end opening portion of this hose main body; Above-mentioned flexible pipe frame 4 liquid thickly coat the part surface of the whole outer circumferential face and the connector element 3 of hose main body 2.

In Fig. 1 (B), hose main body 2 is made the structure that is embedded with withstand voltage reinforced layer 22,23 in pressure-resistant rubber hose 21.In the tip portion of withstand voltage reinforced layer 22,23, the end separately of withstand voltage reinforced layer 22,23 fixedly is involved in flanging steel wire 221,231, thereby keeps securely and being connected of connector element 3.

In addition in Fig. 1 (B), the connector element 3 that liquid thickly is inserted into an end opening portion of hose main body 2 has the insertion part 31 in the opening portion that inserts hose main body 2 at its rear portion, have the protuberance 30 that connects as one with this insertion part 31 in its front portion.Comprise convex strip portions 32 at the rear portion of this protuberance 30, this convex strip portions 32 and above-mentioned insertion part 31 adjacency have on outer circumferential face along the raised line of circumferential ring-type.Also be provided with the flange shape projection 321 that is arranged on highlightedly on its outer circumferential face on the convex strip portions 32 as the part of convex strip portions 32.In above-mentioned convex strip portions 32, be provided with a through hole 33, in this through hole 33, be provided with the bar member 34 that can forwards move, be wound with identification means 341 in the anterior face of this bar member 34 along above-mentioned tubular path direction.The tip side of the movement direction of the bar member 34 in being arranged at through hole 33 is provided with the stable annular component 35 of shift action that makes bar member 34.

In addition, be provided with 2 flexuose ribs 311 that are provided with circlewise along circumferential protrusion on the outer circumferential face of above-mentioned insertion part 31, card ends in flanging steel wire 221,231 parts and keeping securely and being connected of hose main body 2 respectively.And, be provided with flange connector 36 in the tip portion of the protuberance 30 of connector element 3, at the assigned position of flange connector 36 bolt through hole 361 is set.

Moreover among Fig. 1 (B), flexible pipe frame 4 is set to the whole outer surface that liquid thickly coats the whole outer circumferential face of hose main body 2 and includes the convex strip portions 32 of flange shape projection 321.Among Fig. 1 (B), flexible pipe frame 4 is made of ribbon-shaped members 41, liner rubber layer 42, withstand voltage reinforced layer 43, buoyant material 44 and crust rubber layer 45; Above-mentioned ribbon-shaped members 41 helicallies are wound on the hose main body 2; Above-mentioned liner rubber layer 42 coats the ribbon-shaped members 41 of this helically coiling and the top outer circumferential face of flange shape projection 321; Above-mentioned withstand voltage reinforced layer 43 coats this liner rubber layer 42, and is limited to flange shape projection 321; Above-mentioned buoyant material 44 coats this withstand voltage reinforced layer 43; Above-mentioned crust rubber layer 45 coats the outer surface of this buoyant material 44 and the outer surface of convex strip portions 32.Withstand voltage reinforced layer 43 similarly is involved in flanging steel wire 431 in its end with above-mentioned withstand voltage reinforced layer 22,23.

At this, the impact when seeking to relax the high-pressure leakage escape of liquid prevents that the breakage expansion aspect of marine hose 1 from considering and considers that from making marine hose have the buoyancy aspect preferably foaming elastomer is as the material of ribbon-shaped members 41.As such foaming elastomer, can enumerate foaming bodies such as natural rubber, nitrile butadiene rubber, styrene butadiene rubbers, polyethylene, Corvic.

In addition, because ribbon-shaped members 41 reels on shape ground in the shape of a spiral, so between its adjacent bar, be formed with leak fluid derived channel 411 as the communicating space that extends along ribbon-shaped members 41.This leak fluid derived channel 411 can be communicated in through hole 33, but at ordinary times, this is communicated with by the obstruct of the ear end face of bar member 34, and keeps liquid close by ribbon-shaped members 41 as described above.At this, the constant space (constituting the part of the part of leak fluid derived channel 411) that will expose the ear end face of bar member 34 among the present invention is called leak of liquid detecting chamber 4111.

In addition, withstand voltage reinforced layer 43 can form and twine the layer that polyester cord or nylon cord form overlappingly.Consider that from preventing leak fluid derived channel 411 distortion aspects the intersecting angle of this cord is natural angle of repose preferably.

So owing to constituted marine hose 1 as described above, therefore the conveyance fluid that circulates in above-mentioned tubular stream is directed to leak of liquid detecting chamber 4111 as described below.That is, when the close joint interface of the liquid between hose main body 2 and the connector element 3 produced be full of cracks, the leak fluid by this chaps and leakage directly was directed to leak of liquid detecting chamber 4111 along the outer surface of connector element 3.On the other hand, when the tubular stream wall of hose main body 2 produces be full of cracks, liner rubber layer 42, withstand voltage reinforced layer 43 prevent the effect of wall according to playing respectively to leak towards the order of the outer surface of marine hose 1 from the tubular stream of hose main body 2, thereby make the leak fluid by above-mentioned chaps and leakage be directed to leak of liquid detecting chamber 4111 by leak fluid derived channel 411.

In addition, among the present invention, leak fluid is directed to leak of liquid detecting chamber 4111, leak fluid pair applies pushing force with bar member 34 in the through hole 33 that these leak of liquid detecting chamber 4111 liquid thickly are communicated with, thereby bar member 34 is advanced, the front portion of barre member 34 is extrapolated to through hole 33 by the window portion 451 that sets in advance on crust rubber layer 45 in through hole 33, makes the identification means 341 that is wound on above-mentioned bar member 34 surfaces at the marine hose external opening.

In addition, form pointedly by the front end that makes bar member 34, even do not set in advance window portion 451, the front end of bar member 34 also can be poked crust rubber layer 45, so identification means 341 is moved to outside the through hole 33, thereby can prevent more reliably that seawater etc. is immersed in the marine hose 1.

Fig. 2 (A) is wound with to have the banded side view that sends bar member 34 fluorescence or catoptrical identification means 341, that have the substantial cylindrical shape, and Fig. 2 (B) is a side view of removing the bar member 34 under the state of coiling of identification means 341.In Fig. 2 (A), Fig. 2 (B), bar member 34 comprises bar main body 343 and big footpath head 344; Near above-mentioned bar main body 343 forward end to the bar member 34 axial direction center of bar member 34 has two place's minor diameter parts 342,342, and this minor diameter part 342,342 is fixed with an end of 2 pieces of banded identification means 341,341 respectively; Above-mentioned big footpath head 344 rearward end at bar member 34.

At this,, just can prevent that whole bar member 34 from deviating from outside through hole 33 to the external diameter of big footpath head 344 as long as set greater than the internal diameter of annular component 35.In addition, equate, then can expect effectively the pushing force of the leak fluid that ear end face applied of bar member 34 is passed to the bar member as long as diameter that will big footpath head 344 is set for the internal diameter of through hole 33.In addition, in order between the inner peripheral surface of the outer circumferential face of big footpath head 344 and through hole 33, not produce the gap, preferably utilize the O RunddichtringO to seal.

As forming the above-mentioned method of sending the member of fluorescence, can adopt known method, can suitably adopt the fluorescent paint of selling is on the market rubbed body material resin and the method that forms, the fluorescent paint of sale on the market is coated in method on the body material resin etc.In addition,, also can use any means, can adopt the reflecting material of sale on the market is coated in method on the body material resin etc. as the method that forms the light reflective member.

In addition, banded identification means 341 is members of sea water resistance, obtains even this sea water resistance member can adopt from being patted the method that also can keep selecting the resin of full intensity by seawater.

So, because an end of identification means 341 is reeled regularly, so when the pushing force of utilizing leakage liquid to have makes above-mentioned bar member 34 move to outside the above-mentioned through hole 33 in above-mentioned through hole 33, utilize ocean current etc. to discharge the coiling of identification means 341, identification means 341 is arrived from the axis of marine hose 1 distant place more.Fig. 3 is the figure of expression situation that leakage is given the alarm.

At this, though also can utilize ocean current etc. to remove the coiling of identification means 341 at leisure, consider, but it is preferable to make minor diameter part 342 form self distaff member axis rotation from removing this coiling aspect more quickly.In addition, it is also comparatively effective to form such mode, that is, make identification means 341 have the elasticity of appropriateness, outside the bar member moves to through hole 33 after, utilize the elasticity of self to stretch naturally.As this rubber-like member, can enumerate for example stainless steel spring (the employed member of tape measure that length measuring is used etc.) or marmem etc.Also these stainless steel springs or marmem can be engaged with resin strip and use.

In addition, if desire to make identification means 341 to stretch more quickly, the method as identification means 341 being wound on the bar member 34 can also adopt the method for winding that reverses coiling direction in position and the many places folded back position is set.Fig. 4 is near (among the figure top, top of the cross section of minor diameter part 342 ' circle) counter-rotating coiling direction and establish the mode of a plurality of folded back position with in position, and the identification means 341 ' that will have a band shape is wound on the figure that the method on the minor diameter part 342 ' of bar member 34 ' describes.In addition, identification means 341 ' is that the identification means 3412 ' of the identification means 3411 ' of the band shape that is made of stainless steel spring and the band shape made by polyester resin engages and forms.

Fig. 5 is the stereogram of the knockout pin composite component 5 that marine hose adopted of explanation other examples of the present invention.Knockout pin composite component 5 be can with the member of bar member 34 displacement in the above-mentioned marine hose 1, comprise knockout pin 51, floatage body 52 and identification means 53; Above-mentioned knockout pin 51 is arranged in the through hole 33 in the above-mentioned marine hose 1; Above-mentioned floatage body 52 is as the cap of the flexible pipe outer side opening of blocking through hole 33; Above-mentioned identification means 53 is between these knockout pins 51 and floatage body 52 and link both.Knockout pin 51 has the i.e. axle main body 511 of big footpath head in its posterior end, utilizes the ear end face (ear end face of knockout pin 51) of this main body 511 to intercept the connection of through hole 33 and leak of liquid detecting chamber at ordinary times.In addition, identification means 53 comprises the connection rope 531 that can be used to link knockout pin 51 and floatage body 52.In addition, in Fig. 5, binding between identification means 53 and the knockout pin 51 be by the connection rope 531 that will have as the part of identification means 53 run through and the binding of being fixed in the top that is arranged on knockout pin 51 with realizing in the hole, on the other hand, binding between identification means 53 and the floatage body 52 is by connection rope 531 being run through and being fixed in the binding that is arranged on floatage body 52 rear ends with (in addition, the arrow illustration among the figure runs through direction) of realizing in the circular protrusion.

At this, same with the big footpath head 344 of the bar member that uses in the above-mentioned marine hose 1, the external diameter size of axle main body 511 also can be regulated, and sealing component such as O RunddichtringO can be set.

In addition, for identification means 53, also can use with above-mentioned marine hose 1 in the same member of the identification means used 341.

So, adopt the marine hose of above-mentioned knockout pin composite component 5 to constitute, after being directed to leak of liquid detecting chamber 4111 at leakage liquid, leak fluid applies pushing force to the above-mentioned knockout pins 51 in the through hole 33 that is arranged on liquid and thickly is communicated in this leak of liquid detecting chamber 4111, squeeze pin 51 is advanced and promote floatage body 52, it is outside and it is emitted that it is released flexible pipe, thereby identification means 53 is released to outside the flexible pipe with the form of being pulled out by floatage body 52, and it is elongated that identification means 53 is stretched.Particularly after being released to floatage body 52 in the seawater, because floatage body 52 floats to the sea, so identification means 53 is stretched well.

Fig. 6, the 7th, illustrate respectively a variation of knockout pin composite material 5 or other variation, knockout pin composite component 5 ' or knockout pin composite component 5 " stereogram.In Fig. 6, knockout pin composite component 5 ' is characterised in that to have the many pins of releasing floatage bodies 52 ', in Fig. 7, knockout pin composite component 5 " be characterised in that and release floatage body 52 " the shape of pin adopt tubular.Compare with the situation that adopts above-mentioned knockout pin composite component 5, adopt these knockout pin composite components 5 ' or knockout pin composite component 5 " time; because of it can be sandwiched in identification means on the many knockout pins foldedly or can be contained in identification means in the knockout pin of tubular; thus identification means can more easily be held, better.

In addition, about marine hose of the present invention, can design at appropriate change in the scope of the object of the invention based on above-mentioned mode of execution.Can suitably select the material of each member, also can suitably carry out bonding (by vulcanizing bonding or using bonding that binder carries out etc.) between each member.Through hole also can be a plurality of (with reference to the Fig. 8) more than 2 or 2.In order to firmly fix each layer, also can use suitable fastening cord etc.Can also suitably in each layer, further bury stiffening element (strengthening steel wire etc.) underground or insert O RunddichtringO etc.Also have no particular limits for the identification means of knockout pin composite component and the linking method of knockout pin or floatage body, also can suitably use binder, the position being set and running through the position of connection rope also can suitably be changed.Also can adopt method of not using connection rope etc.

Claims (7)

1. marine hose, it comprises the connector element and the flexible pipe frame of hose main body, tubular; Above-mentioned hose main body has the tubular stream; Above-mentioned connector element liquid thickly is inserted in the end opening portion or both ends open portion of this hose main body; Above-mentioned flexible pipe shell body fluid thickly coats above-mentioned hose main body outer circumferential face; It is characterized in that this marine hose constitutes, above-mentioned connector element has the insertion part and has protuberance in its front portion at its rear portion; The opening portion of above-mentioned hose main body is inserted in above-mentioned insertion part; One is arranged in above-mentioned protuberance and this insertion part, has with this insertion part in abutting connection with ground along circumferentially protruding the convex strip portions that is arranged on the outer circumferential face in the form of a ring; On above-mentioned convex strip portions, be provided with a through hole at least along above-mentioned tubular path direction, in this through hole, be provided with the bar member that can forwards move, on this bar member, be wound with identification means, and be provided with at the rear of above-mentioned through hole and can be communicated in this through hole, the leak of liquid detecting chamber that thickly keeps by above-mentioned bar member rear portion and above-mentioned flexible pipe shell body fluid at ordinary times, the leak fluid that the conveyance fluid that will circulate in above-mentioned tubular stream goes out by the chaps and leakage that produces on the close joint interface of the liquid of above-mentioned hose main body and above-mentioned connector element, perhaps the leak fluid that goes out of the chaps and leakage that produces by the wall at the tubular stream of above-mentioned hose main body imports to the leak of liquid detecting chamber, the pushing force of utilizing this leak fluid to have is advanced above-mentioned bar member in above-mentioned through hole, its front portion and above-mentioned identification means are released outside the through hole, thereby made the identification means that is wound on above-mentioned bar component surface at the flexible pipe external opening.

2. marine hose, it comprises the connector element and the flexible pipe frame of hose main body, tubular; Above-mentioned hose main body has the tubular stream; Above-mentioned connector element liquid thickly inserts an end opening portion or the both ends open portion of this hose main body; Above-mentioned flexible pipe shell body fluid thickly coats above-mentioned hose main body outer circumferential face; It is characterized in that this marine hose constitutes, above-mentioned connector element has the insertion part and has protuberance in its front portion at its rear portion; The opening portion of above-mentioned hose main body is inserted in above-mentioned insertion part; One is arranged in above-mentioned protuberance and this insertion part, has with this insertion part in abutting connection with ground along circumferentially protruding the convex strip portions that is arranged on the outer circumferential face in the form of a ring; On above-mentioned convex strip portions, a through hole is set at least along above-mentioned tubular path direction, in this through hole, be provided with the knockout pin that can forwards move, and, the boundary position anterior or above-mentioned through hole and flexible pipe outside of the above-mentioned knockout pin in above-mentioned through hole is provided with floatage body, these knockout pins and floatage body are connected by identification means, and, be provided with at the rear of above-mentioned through hole and can be communicated in leak of liquid detecting chamber this through hole, that thickly keep by above-mentioned bar member rear portion and above-mentioned flexible pipe shell body fluid at ordinary times;

The leak fluid that leak fluid that the conveyance fluid that will circulate in above-mentioned tubular stream goes out by the chaps and leakage that produces on the close joint interface of the liquid of above-mentioned hose main body and above-mentioned connector element or the chaps and leakage that produces by the wall at the tubular stream of above-mentioned hose main body go out imports in the leak of liquid detecting chamber, the pushing force of utilizing this leak fluid to have is advanced above-mentioned knockout pin in above-mentioned through hole, above-mentioned floatage body and identification means are released the flexible pipe outside, thus make above-mentioned identification means along with above-mentioned floatage body at the flexible pipe external opening.

3. according to claim 1 or 2 described marine hoses, it is characterized in that above-mentioned identification means is to have the member that thickness is the band shape of 0.05～3.00mm.

4. according to claim 1 or 2 described marine hoses, it is characterized in that above-mentioned identification means is the member with the shape of twisting thread.

5. according to claim 3 or 4 described marine hoses, it is characterized in that above-mentioned identification means is to send the member of fluorescence.

6. according to claim 3 or 4 described marine hoses, it is characterized in that above-mentioned identification means is catoptrical member.

7. according to wantonly 1 described marine hose in the claim 3～6, it is characterized in that above-mentioned identification means is the member of sea water resistance.

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