CN109103827A - A kind of bending restrictor - Google Patents
A kind of bending restrictor Download PDFInfo
- Publication number
- CN109103827A CN109103827A CN201811029809.1A CN201811029809A CN109103827A CN 109103827 A CN109103827 A CN 109103827A CN 201811029809 A CN201811029809 A CN 201811029809A CN 109103827 A CN109103827 A CN 109103827A
- Authority
- CN
- China
- Prior art keywords
- bending
- installation
- limiting unit
- bending limiting
- inserted block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 139
- 238000009434 installation Methods 0.000 claims abstract description 102
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/02—Installations of electric cables or lines in or on the ground or water laid directly in or on the ground, river-bed or sea-bottom; Coverings therefor, e.g. tile
- H02G9/025—Coverings therefor, e.g. tile
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of bending restrictors, including at least two bending limiting members, multiple bending limiting members are sequentially connected in series socket, each bending limiting member is made of the first bending limiting unit and the second bending limiting unit, each bending limiting member is provided centrally with the central through hole passed through for subaqueous pipe cable, feature is between the first end of the first bending limiting unit and the first end of the second bending limiting unit to be rotatably connected, and the second end of the first bending limiting unit is bonded after installation with the second end of the second bending limiting unit and is locked by locking member.Advantage is that the first end of the first bending limiting unit and the first end of the second bending limiting unit are connection status before specific installation and are rotatably connected, so that individually bending limiting member only needs a people just can complete to install, structure is simple, easy for installation and quick, installation effectiveness is effectively increased, cost of labor is greatly saved.
Description
Technical field
The present invention relates to ocean engineering fields, more particularly, to a kind of bending restrictor.
Background technique
Continuous increase with China to energy demand, to the exploitation dynamics of the resources such as regenerable marine energy, oil gas
Constantly reinforcing, and the energy, resource exploitation and transport process in, submarine cable, hose, compliant riser, umbilical cables etc. pipe
Cable product is more and more widely used.Above-mentioned underwater umbilical product is in use, and end will be with rigid member (i.e.
Underwater equipment) it is connected, but since above-mentioned underwater umbilical is to use in dynamic working environment under water, underwater umbilical and water
The junction of lower equipment often will appear the phenomenon that overbending (i.e. curvature is excessive and stress is concentrated), and the junction occurs
A possibility that fatigue failure, is relatively high, serious damage is caused to the service performance of subaqueous pipe cable, so as to cause the generation of accident.
Bending restrictor is static limit bending apparatus, is suitable for the lower flexible underwater cable of static or semi-static load effect and stands
The bend protection of pipe, material can be metal, glass reinforced plastic or polyurethane material etc., usually by multiple mutually isostructural component groups
It closes, component is mutually twisted locking between any two, and component mutually put down by self-locking formation one " locking " when by external loading
Sliding curve, sweep is equal to or more than the applicable minimum bending radius such as hose, sea cable or umbilical cables, to play limitation water
The lower curved effect of umbilical forms protection to the underwater umbilical such as hose, sea cable or umbilical cables, avoids potential destructive load.
The design that existing bending restrictor mostly uses Hough type half-shell head and the tail mutually embedding, i.e., the both ends point of two half-shells
It is not fastened by bolts part to be secured together, then two half-shells of next component is installed again.During installation, bending restrictor
Head end covers on the end of previous bending restrictor, one cover one, until all components be installed to be formed one it is whole
The bending restrictor of body.For the bending restrictor of above structure, whole installation process needs several staff to cooperate progress,
And installation speed is slower, and it is inefficient, it makes a big impact to construction speed and operating expenses.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of structures simply, be easily installed and installs quickly bending limit
Device processed.
The technical scheme of the invention to solve the technical problem is:
A kind of bending restrictor, including at least two bending limiting members, multiple bending limiting members are sequentially connected in series set
It connects, the bending limiting member is made of the first bending limiting unit and the second bending limiting unit, each described
Bending limiting member is provided centrally with the central through hole passed through for subaqueous pipe cable, and described first is bent the first of limiting unit
It holds between the first end of the described second bending limiting unit to be rotatably connected, the of the first bending limiting unit
Two ends are bonded after installation with the second end of the second bending limiting unit and are locked by locking member.
The bending limiting member includes the columned mounting portion and interconnecting piece set gradually from front to back, described
The outer diameter of interconnecting piece is greater than the outer diameter of the mounting portion, and the end of the mounting portion is coaxially arranged with an installation bulge loop, institute
The outer diameter for the installation bulge loop stated is greater than the outer diameter of the mounting portion and is less than the outer diameter of the interconnecting piece, and the center is logical
The installation that hole includes the limiting holes matched with underwater umbilical set gradually from front to back, is matched with the installation bulge loop
Hole and the connecting hole matched with the mounting portion, the diameter of the limiting holes are less than the diameter of the connecting hole, institute
The diameter for the connecting hole stated is less than the diameter of the mounting hole, is gap before the installation bulge loop and the mounting hole
Cooperation is clearance fit between the mounting portion and the connecting hole.Above-mentioned bending limiting member structure is simple, passes through one
The cooperation between the limiting holes on installation bulge loop and another bending limiting member on a bending limiting member, is realized multiple curved
Series connection socket between bent limiting member.
The first end of the first bending limiting unit is provided with the first installation inserted block, and the second bending limitation is single
The first end of member is provided with the first installation slot matched with the first installation inserted block, and the first installation inserted block is inserted
Enter and is mounted in the first installation slot, the first of the first installation inserted block and the second bending limiting unit
It is to be rotatably connected between end.It is single to the first bending limitation by the cooperation between the first installation inserted block and the first installation slot
Connection between first first end and the first end of the second bending limiting unit provides a pre-connection, convenient for for both connections
The installation of connector before, while can prevent the first bending from limiting by the cooperation of the first installation inserted block and the first installation slot
The play of front-rear position occurs in the specific use process for unit and the second bending limiting unit, so that it is guaranteed that each bending limit
Component processed can play stable bending restriction effect；It is between first installation inserted block and the first end of the first bending limiting unit
It is rotatably connected, realizes the folding between the first bending limiting unit and the second bending limiting unit, be easily installed and dismantle.
The first end of the second bending limiting unit is worn from front to back is connected to a connecting shaft, the connecting shaft and institute
To be fixedly connected between the first end for the second bending limiting unit stated, the first installation inserted block is rotatably arranged in institute
In the connecting shaft stated.The above-mentioned structure that is rotatably connected is simple, that is, is able to achieve and is rotatably connected, and can ensure that the first bending limits
Stablize installation and connection between the first end of unit and the second end of the second bending limiting unit.
The first end of the second bending limiting unit is embedded with an installation nut, is provided in the connecting shaft
The external screw thread matched with the installation nut, the connecting shaft, which is screwed on the installation nut, to be realized and described
The first end of second bending limiting unit is fixedly connected.Above structure is simple, realizes connecting shaft by pre-buried installation nut
Stablize installation, it is easy for assemble or unload.
Second end setting the second installation inserted block of the second bending limiting unit, the first bending limiting unit
Second end be provided with the second installation slot matched with the described second installation inserted block, the second installation inserted block insertion
It is mounted in the second installation slot and is locked by the locking member.Pass through the second installation inserted block and the second peace
The cooperation between slot is plugged, the second end to the first bending limiting unit and the company between the second end of the second bending limiting unit
It connects and a pre-connection is provided, convenient for the installation of locking member, while can by the cooperation of the second installation inserted block and the second installation slot
The first bending limiting unit and second is prevented to be bent the play that front-rear position occurs in the specific use process for limiting unit, thus
Ensure that each bending limiting member can play stable bending restriction effect.
The locking member is that bar portion has externally threaded check lock lever, is provided with front and back on the second installation inserted block and passes through
The logical locking through-hole passed through for the check lock lever, the second end of the described first bending limiting unit be embedded with it is described
The locking nut that external screw thread matches, the check lock lever, which is screwed onto, to be realized on the locking nut and is locked.Locking member
Using the cooperation of threaded check lock lever and pre-buried locking nut, structure is simple, at low cost, and easy for assemble or unload.
Compared with the prior art, the advantages of the present invention are as follows: the first end of the first bending limiting unit is limited with the second bending
The first end of unit processed for connection status and is rotatably connected before specific installation, so that individually bending limiting member only needs one
Individual just can complete to install, and structure is simple, easy for installation and quick, effectively increases installation effectiveness, be greatly saved artificial
Cost.
Detailed description of the invention
Fig. 1 is the schematic perspective view in the present invention；
Fig. 2 is the schematic perspective view that limiting member is individually bent in the present invention；
Fig. 3 is the first schematic cross-sectional view that limiting member is individually bent in the present invention；
Fig. 4 is the second schematic cross-sectional view that limiting member is individually bent in the present invention；
Fig. 5 is the structural schematic diagram of the first bending limiting unit in the present invention；
Fig. 6 is the structural schematic diagram of the second bending limiting unit in the present invention；
Fig. 7 is individually to be bent the structural schematic diagram of limiting member in the on-state in the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 7, a kind of bending restrictor, including at least two bending limiting members 1, multiple bending limitations
Component 1 is sequentially connected in series socket, and each bending limiting member 1 is by the first bending limiting unit 11 and the second 12 groups of limiting unit of bending
At each bending limiting member 1 is provided centrally with the central through hole 13 passed through for subaqueous pipe cable, the first bending limiting unit 11
First end and the second bending limiting unit 12 first end between to be rotatably connected, the second of the first bending limiting unit 11
It holds to be bonded after installation with the second end of the second bending limiting unit 12 and be locked by locking member.
In this particular embodiment, bending limiting member 1 includes the columned mounting portion 101 set gradually from front to back
With interconnecting piece 102, the outer diameter of interconnecting piece 102 is greater than the outer diameter of mounting portion 101, and the end of mounting portion 101 is coaxially arranged with a peace
Bulge loop 103 is filled, the outer diameter of installation bulge loop 103 is greater than the outer diameter of mounting portion 101 and is less than the outer diameter of interconnecting piece 102, central through hole
13 include the limiting holes 131 matched with underwater umbilical set gradually from front to back, the installation matched with installation bulge loop 103
Hole 132 and the connecting hole 133 matched with mounting portion 101, the diameter of limiting holes 131 are less than the diameter of connecting hole 133, connecting hole
133 diameter be less than mounting hole 132 diameter, installation bulge loop 103 and mounting hole 132 before be clearance fit, mounting portion 101 with
It is clearance fit between connecting hole 133.Above-mentioned 1 structure of bending limiting member is simple, the peace being bent on limiting member 1 by one
Fill the cooperation between the limiting holes 131 on bulge loop 103 and another bending limiting member 1, realize multiple bending limiting members 1 it
Between series connection socket.
In this particular embodiment, first end setting the first installation inserted block 111 of the first bending limiting unit 11, second is curved
The first end of bent limiting unit 12 is provided with the first installation slot 121 matched with the first installation inserted block 111, and the first installation is inserted
The insertion of block 111 is mounted in the first installation slot 121, the first end of the first installation inserted block 111 and the second bending limiting unit 12
Between to be rotatably connected.By the cooperation between the first installation inserted block 111 and the first installation slot 121, limited to the first bending
Connection between the first end of unit 11 processed and the first end of the second bending limiting unit 12 provides a pre-connection, convenient for being used for
The installation of the connector before the two is connected, while can be prevented by the cooperation of the first installation inserted block 111 and the first installation slot 121
Only the play of front-rear position occurs in the specific use process for the first bending limiting unit 11 and the second bending limiting unit 12, from
And stable bending restriction effect can be played by ensuring each bending limiting member 1；First installation inserted block 111 and the first bending
To be rotatably connected between the first end of limiting unit 11, the first bending limiting unit 11 and the second bending limiting unit are realized
Folding between 12 is easily installed and dismantles.
In this particular embodiment, the first end of the second bending limiting unit 12 is worn from front to back is connected to a connecting shaft 2, even
To be fixedly connected between spindle and the first end of the second bending limiting unit 12, the first installation inserted block 111 is rotatably arranged in
In connecting shaft 2.The above-mentioned structure that is rotatably connected is simple, that is, is able to achieve and is rotatably connected, and can ensure that the first bending limitation is single
Stablize installation and connection between the first end of member 11 and the second end of the second bending limiting unit 12.
In this particular embodiment, the first end of the second bending limiting unit 12 is embedded with an installation nut 123, connects
Be provided on axis 2 with the external screw thread that matches of installation nut 123, connecting shaft 2 is screwed onto be realized and second is curved on installation nut 123
The first end of bent limiting unit 12 is fixedly connected.Above structure is simple, realizes connecting shaft 2 by pre-buried installation nut 123
Stablize installation, it is easy for assemble or unload.In order to realize the installation of connecting shaft 2, set in the first end of the second bending limiting unit 12
It is equipped with the first mounting hole 4 passed through for connecting shaft 2, nut 123 is installed and the first mounting hole 4 is coaxially disposed.
In this particular embodiment, second end setting the second installation inserted block 122 of the second bending limiting unit 12, first is curved
The second end of bent limiting unit 11 is provided with the second installation slot 112 matched with the second installation inserted block 122, and the second installation is inserted
The insertion of block 122 is mounted in the second installation slot 112 and is locked by locking member.Pass through the second installation inserted block 122 and the
Cooperation between two installation slots 112, to the second end and the of the second bending limiting unit 12 of the first bending limiting unit 11
Connection between two ends provides a pre-connection, convenient for the installation of locking member, while passing through the second installation inserted block 122 and the second peace
The cooperation for plugging slot 112 can prevent the first bending limiting unit 11 from sending out in the specific use process with the second bending limiting unit 12
The play of raw front-rear position, so that it is guaranteed that each bending limiting member 1 can play stable bending restriction effect.
In this particular embodiment, locking member is that bar portion has externally threaded check lock lever 3, is set on the second installation inserted block 122
Be equipped with front and back penetrate through the locking through-hole 1221 passed through for check lock lever 3, first bending limiting unit 11 second end be embedded with
The locking nut 113 that external screw thread matches, check lock lever 3 are screwed onto realization on locking nut 113 and are locked.Locking member uses band
The cooperation of the check lock lever 3 of screw thread and pre-buried locking nut 113, structure is simple, at low cost and easy for assemble or unload.For reality
Show the installation of check lock lever 3, be provided with the second mounting hole 5 passed through for check lock lever 3 in the second end of the first bending limiting unit 11,
Locking nut 113 and the second mounting hole 5 are coaxially disposed.
Claims (7)
1. a kind of bending restrictor, including at least two bending limiting members, multiple bending limiting members are sequentially connected in series
Socket, each bending limiting member is made of the first bending limiting unit and the second bending limiting unit, each described
Bending limiting member be provided centrally with the central through hole passed through for subaqueous pipe cable, it is characterised in that the first bending limit
To be rotatably connected between the first end of unit processed and the first end of the second bending limiting unit, first bending
The second end of limiting unit is bonded after installation with the second end of the second bending limiting unit and is locked by locking member.
2. a kind of bending restrictor as described in claim 1, it is characterised in that the bending limiting member includes from forward direction
The columned mounting portion and interconnecting piece set gradually afterwards, the outer diameter of the interconnecting piece are greater than the outer diameter of the mounting portion,
The end of the mounting portion is coaxially arranged with an installation bulge loop, and the outer diameter of the installation bulge loop is greater than the mounting portion
Outer diameter and the outer diameter for being less than the interconnecting piece, the central through hole include setting gradually from front to back with underwater umbilical phase
The limiting holes of cooperation, the mounting hole matched with the installation bulge loop and the connecting hole matched with the mounting portion, institute
The diameter for the limiting holes stated is less than the diameter of the connecting hole, and the diameter of the connecting hole is less than the straight of the mounting hole
It is clearance fit before diameter, the installation bulge loop and the mounting hole, between the mounting portion and the connecting hole
For clearance fit.
3. a kind of bending restrictor as described in claim 1, it is characterised in that the first of the first bending limiting unit
End is provided with the first installation inserted block, and the first end of the second bending limiting unit is provided with and the first installation inserted block
The the first installation slot matched, the first installation inserted block insertion is mounted in the first installation slot, described
It is to be rotatably connected between first installation inserted block and the first end of the second bending limiting unit.
4. a kind of bending restrictor as claimed in claim 3, it is characterised in that the first of the second bending limiting unit
End is worn from front to back is connected to a connecting shaft, is solid between the connecting shaft and the first end of the second bending limiting unit
Fixed connection, the first installation inserted block are rotatably arranged in the connecting shaft.
5. a kind of bending restrictor as claimed in claim 4, it is characterised in that the first of the second bending limiting unit
End is embedded with an installation nut, and the external screw thread matched with the installation nut is provided in the connecting shaft, described
Connecting shaft be screwed onto and realize being fixedly connected for the first end for being bent limiting unit with described second on the installation nut.
6. a kind of bending restrictor as described in claim 1, it is characterised in that the second of the second bending limiting unit
End setting the second installation inserted block, the second end of the first bending limiting unit are provided with and the second installation inserted block phase
Second installation slot of cooperation, the second installation inserted block insertion are mounted in the second installation slot and by described
Locking member be locked.
7. a kind of bending restrictor as claimed in claim 6, it is characterised in that the locking member is that bar portion has external screw thread
Check lock lever, be provided with the locking through-hole passed through for the check lock lever that front and back penetrates through, institute on the described second installation inserted block
The second end for the first bending limiting unit stated is embedded with the locking nut matched with the external screw thread, the check lock lever
It realizes and is locked on locking nut described in being screwed onto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029809.1A CN109103827A (en) | 2018-09-05 | 2018-09-05 | A kind of bending restrictor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029809.1A CN109103827A (en) | 2018-09-05 | 2018-09-05 | A kind of bending restrictor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109103827A true CN109103827A (en) | 2018-12-28 |
Family
ID=64865218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811029809.1A Pending CN109103827A (en) | 2018-09-05 | 2018-09-05 | A kind of bending restrictor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109103827A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206964A (en) * | 2019-06-04 | 2019-09-06 | 大连理工大学 | A kind of ocean flexible pipe cable bend limiter with toroidal cavity |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2540780A (en) * | 2015-07-25 | 2017-02-01 | Super Grip (Uk) Ltd | Restricting the bending of an underwater cable |
| CN208656347U (en) * | 2018-09-05 | 2019-03-26 | 宁波泛叶海洋科技有限公司 | A kind of bending restrictor |
-
2018
- 2018-09-05 CN CN201811029809.1A patent/CN109103827A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2540780A (en) * | 2015-07-25 | 2017-02-01 | Super Grip (Uk) Ltd | Restricting the bending of an underwater cable |
| CN208656347U (en) * | 2018-09-05 | 2019-03-26 | 宁波泛叶海洋科技有限公司 | A kind of bending restrictor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206964A (en) * | 2019-06-04 | 2019-09-06 | 大连理工大学 | A kind of ocean flexible pipe cable bend limiter with toroidal cavity |
| CN110206964B (en) * | 2019-06-04 | 2024-02-06 | 大连理工大学 | Ocean flexible pipe cable bending limiter with annular cavity |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20181228 Assignee: NINGBO ORIENT WIRES & CABLES Co.,Ltd. Assignor: NINGBO FANYE MARINE TECHNOLOGY Co.,Ltd. Contract record no.: X2023330000918 Denomination of invention: A bending limiter License type: Common License Record date: 20231213 |
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| EE01 | Entry into force of recordation of patent licensing contract |