CN113775854A - LNG ship gas pipeline protection device - Google Patents

LNG ship gas pipeline protection device Download PDF

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Publication number
CN113775854A
CN113775854A CN202110852452.2A CN202110852452A CN113775854A CN 113775854 A CN113775854 A CN 113775854A CN 202110852452 A CN202110852452 A CN 202110852452A CN 113775854 A CN113775854 A CN 113775854A
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CN
China
Prior art keywords
wall
hoop
protection
gas pipe
gas pipeline
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Granted
Application number
CN202110852452.2A
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Chinese (zh)
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CN113775854B (en
Inventor
刘学军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Waigaoqiao Shipbuilding Co Ltd
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Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Shanghai Waigaoqiao Shipbuilding Co Ltd filed Critical Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority to CN202110852452.2A priority Critical patent/CN113775854B/en
Publication of CN113775854A publication Critical patent/CN113775854A/en
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Publication of CN113775854B publication Critical patent/CN113775854B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/70—Cooling of pipes or pipe systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Buffer Packaging (AREA)

Abstract

The invention discloses a gas pipeline protection device for an LNG ship, and relates to the technical field of gas pipeline protection. Including the gas pipe, the outer wall activity of gas pipe is provided with protects the hoop, the fixed setting element that is provided with in top of protecting the hoop, the outer wall activity of setting element is provided with the fixed slot, the standing groove has been seted up to the outer wall of protecting the hoop, the inner wall activity of standing groove is provided with the rubber sleeve circle, the both sides of protecting the hoop are all fixed and are provided with the adapter sleeve. Protection effect to the gas pipe through setting up hoop reinforcing structure protects, make the surface homoenergetic of gas pipe obtain protection buffer capacity, improve anti humidity and striking ability, buffer spring can make protection apron and gas pipe structure possess buffer space, make protection apron can not lead to the fact obvious influence to the gas pipe when suffering the striking, reduce the mechanical damage of gas pipe, buffer spring can also provide spacing effect to hoop through spacing section of thick bamboo moreover, ensures overall structure's stability ability.

Description

LNG ship gas pipeline protection device
Technical Field
The invention relates to the technical field of gas pipeline protection, in particular to a gas pipeline protection device for an LNG ship.
Background
The LNG carrier is called an LNG carrier for short, and is a ship specially used for transporting LNG, and is divided into an independent storage tank and a membrane type according to the structural form of a cargo tank. The former is that the storage tanks with column, tank and sphere shapes are put in the ship, the latter adopts double-shell structure, the inner shell is the bearing shell of the cargo tank, compared with the independent type, the membrane type has the advantages of high volume utilization rate and light structure weight, so the new liquefied natural gas ship, especially large-scale, mostly adopts membrane type structure.
Be used for LNG ship gas pipeline at present to protect through rolling dress department, special department and opening on the deck to prevent mechanical damage, but ordinary protection device installation is too loaded down with trivial details, and the protecting effect is ordinary, increase the potential safety hazard, people's striking protection device's phenomenon appears easily, again because protection device is mostly fixed knot structure, except that the welding mode does not have too much spacing fixed measure, make protection device can go out the aversion problem, be unfavorable for the use, maintenance efficiency is not high.
Disclosure of Invention
The invention provides a gas pipeline protection device for an LNG ship, which has the advantages of being rapid in installation, strong in protection buffering capacity, good in fixing and limiting effect, convenient to use and convenient to maintain, and solves the problems that an ordinary device is ordinary in installation, ordinary in protection buffering capacity, low in fixing and limiting capacity, troublesome to use and tedious to maintain.
In order to realize the purposes of quick installation, strong protection buffering capacity, good fixing and limiting effect, convenient use and convenient maintenance, the invention provides the following technical scheme: the LNG ship gas pipeline protection device comprises a gas pipe, wherein a protection hoop is movably arranged on the outer wall of the gas pipe, a positioning piece is fixedly arranged at the top of the protection hoop, a fixing groove is movably arranged on the outer wall of the positioning piece, a placing groove is formed in the outer wall of the protection hoop, a rubber ferrule is movably arranged on the inner wall of the placing groove, connecting sleeves are fixedly arranged on two sides of the protection hoop, a clamping groove is formed in one side of each connecting sleeve, a clamping block is movably arranged on the inner wall of each clamping groove, a buffer spring is fixedly arranged on the outer wall of the protection hoop, a limiting barrel is movably arranged on the outer wall of one side of the buffer spring, and the limiting barrel is arranged on the outer wall of a protection cover plate;
the both sides of protection apron are all fixed and are provided with the fastener, the bottom activity of fastener is provided with the support frame, the fixed steel deck that is provided with in bottom of support frame, the locating hole has all been seted up to fastener and support frame adjacent position, the inner wall activity of locating hole is provided with fastening bolt, fastening bolt's outer wall activity is provided with the nut, the outer wall of fastener and support frame is all fixed and is provided with the diaphragm, the outer wall activity of diaphragm sets up the inner wall at the plastic sheath.
As a preferred technical solution of the present invention, the shape and size of the outer wall of the gas pipe and the shape and size of the inner wall of the protection hoop are matched with each other, the positioning element and the fixing groove are arranged in a snap-fit manner, and the protection hoop is arranged in a snap-fit manner to be attached to the outer wall of the gas pipe.
As a preferable technical solution of the present invention, the number of the placement grooves on the outer wall of each protection hoop is three, the rubber ferrules are movably disposed on the outer wall of the protection hoop through the placement grooves, the engagement grooves and the engagement blocks are engaged, and the protection hoop is movably disposed with another protection hoop through the engagement.
As a preferred technical solution of the present invention, the protection band is fixedly provided with a protection cover plate through a buffer spring, and the buffer spring is fixedly provided at the top and both sides of the protection band, respectively.
As a preferred technical scheme, the inner wall of the protective cover plate is fixedly provided with a rubber pad, one side of the rubber pad is provided with a guide groove, and the outer wall of the rubber pad is provided with through holes.
As a preferred technical scheme of the present invention, an extension plate is fixedly disposed on one side of the protective cover plate, a groove is formed on the other side of the protective cover plate, and protective sleeves are fixedly disposed at corners of the protective cover plate.
As a preferable technical scheme of the invention, the shape and size of the outer wall of the extension plate are matched with the shape and size of the inner wall of the groove, fixing holes are formed in the top parts of the extension plate and the groove, and fixing bolts are movably arranged on the inner wall of the fixing holes.
As a preferable technical scheme of the invention, the support frame is fixedly provided with a steel deck through welding, the support frame and the fastener are positioned on the same vertical plane, the positioning hole is in a long elliptic shape, and the bottom of the fastening bolt penetrates through the top of the fastener and extends out of the bottom of the top surface of the support frame.
As a preferable technical scheme of the invention, the outer walls of the protective cover plate and the rubber pad are both provided with through holes, the inner walls of the through holes are fixedly provided with observation windows, and the through holes are all positioned on the same vertical plane.
As a preferred technical scheme of the invention, the transverse plate is fixedly arranged on one side of the fastener and one side of the support frame respectively, and the fastener and the support frame are fixedly arranged on one side of the plastic sheath through the transverse plate respectively.
Compared with the prior art, the invention provides a gas pipeline protection device for an LNG ship, which has the following beneficial effects:
1. this LNG ship gas pipeline protection device protects hoop reinforcing structure to the protective effect of gas pipe through setting up, make the surface homoenergetic of gas pipe obtain protection buffer capacity, improve moisture resistance and striking ability, buffer spring can make protection apron and gas tubular construction possess buffer space, make protection apron can not lead to the fact obvious influence to the gas pipe when suffering the striking, reduce the mechanical damage of gas pipe, buffer spring can also provide spacing effect to protecting the hoop through a spacing section of thick bamboo moreover, ensure overall structure's stability ability.
2. This LNG ship gas pipeline protection device, through setting up the protection buffer capacity of rubber pad reinforcing protection apron, the guide way and the through-hole that the rubber pad began can ventilate heat dissipation to overall structure moreover to utilize the guide way can lead to moisture, reduce the gas pipe and receive humid environment's influence, the lag can reduce the striking degree of other objects and protection apron moreover, thereby guarantee crewman's safety and health on the basis of protection gas pipe.
3. This LNG ship gas pipeline protection device can fasten the hoop through the activity setting that sets up standing groove and rubber sleeve circle for the hoop can form airtight structure, and the block groove and the block piece that the block set up can be convenient for people to the structure installation of splicing, accelerates the installation rate, and the fixed effect when utilizing the activity setting of fixed orifices and fixing bolt to strengthen two protection cover plate connections, the installation is swift high-efficient, simplifies the installation procedure, reduces staff's the operation degree of difficulty.
4. This LNG ship gas pipeline protection device is convenient for people through setting up the opening and observes inner structure through the observation window to the maintenance of people to the gas pipeline of being convenient for reduces the hidden danger, and the opening that all is located same perpendicular can strengthen people's observation scope moreover, and observation effect is good.
5. This LNG ship gas pipeline protection device, through setting up the support frame welding in steel deck structure, overall structure's fixity can be ensured, and the locating hole is through designing into the oval type hole of length, can be when the deviation appears in the installation, make fastening bolt left and right sides direction, the fore-and-aft direction is adjusted, the installation effectiveness is improved, activity through diaphragm and plastic sheath sets up can make the protruding position of fastener and support frame obtain protection buffering effect, make people be difficult for striking protruding position, guarantee people's safety and health.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a protective cover structure according to the present invention;
FIG. 3 is a schematic view of a fastener and carrier structure connection according to the present invention;
FIG. 4 is a partial side cross-sectional view of the structure of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;
FIG. 6 is a schematic view of the connection of the connecting sleeve structure of the present invention;
fig. 7 is a front view of a cuff structure of the present invention.
In the figure: 1. a gas pipe; 2. protecting the hoop; 3. a positioning member; 4. fixing grooves; 5. a placement groove; 6. a rubber ferrule; 7. connecting sleeves; 8. a clamping groove; 9. a clamping block; 10. a buffer spring; 11. a limiting cylinder; 12. a protective cover plate; 13. a fastener; 14. a support frame; 15. a steel deck; 16. positioning holes; 17. fastening a bolt; 18. a nut; 19. a transverse plate; 20. a plastic sheath; 21. a rubber pad; 22. a guide groove; 23. a through hole; 24. an extension plate; 25. a groove; 26. a protective sleeve; 27. a fixing hole; 28. fixing the bolt; 29. a port; 30. and (4) an observation window.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the invention discloses a gas pipeline protection device for an LNG carrier, which comprises a gas pipe 1, wherein a protective hoop 2 is movably arranged on the outer wall of the gas pipe 1, a positioning member 3 is fixedly arranged at the top of the protective hoop 2, a fixing groove 4 is movably arranged on the outer wall of the positioning member 3, a placing groove 5 is arranged on the outer wall of the protective hoop 2, a rubber ferrule 6 is movably arranged on the inner wall of the placing groove 5, connecting sleeves 7 are fixedly arranged on both sides of the protective hoop 2, a clamping groove 8 is arranged on one side of each connecting sleeve 7, a clamping block 9 is movably arranged on the inner wall of each clamping groove 8, a buffer spring 10 is fixedly arranged on the outer wall of the protective hoop 2, a limiting cylinder 11 is movably arranged on the outer wall of one side of each buffer spring 10, each limiting cylinder 11 is arranged on the outer wall of a protective cover plate 12, and fasteners 13 are fixedly arranged on both sides of each protective cover plate 12, the bottom activity of fastener 13 is provided with support frame 14, the fixed steel deck 15 that is provided with in bottom of support frame 14, fastener 13 and support frame 14 adjacent position have all seted up locating hole 16, the inner wall activity of locating hole 16 is provided with fastening bolt 17, fastening bolt 17's outer wall activity is provided with nut 18, fastener 13 and support frame 14's outer wall all is fixed and is provided with diaphragm 19, the outer wall activity of diaphragm 19 sets up the inner wall at plastic sheath 20.
Specifically, the shape and size of the outer wall of the gas pipe 1 and the shape and size of the inner wall of the protection hoop 2 are matched with each other, the positioning piece 3 and the fixing groove 4 are arranged in a clamping mode, and the protection hoop 2 is arranged on the outer wall of the gas pipe 1 in a laminating mode through the clamping mode.
In this embodiment, the gas pipe 1 that the shape size agrees with each other and hoop 2 can the reinforcing structure to the protective effect of gas pipe 1 for outside humid environment is difficult for causing obvious corrosion to the surface of gas pipe 1, and hoop 2 sets up through the block and can laminate gas pipe 1 moreover, makes the surface homoenergetic of gas pipe 1 obtain protection buffer capacity, improves anti humidity and striking ability.
Specifically, the number of the placing grooves 5 on the outer wall of each protection hoop 2 is three, the rubber ferrules 6 are movably arranged on the outer wall of each protection hoop 2 through the placing grooves 5, the clamping grooves 8 and the clamping blocks 9 are arranged in a clamping manner, and the protection hoops 2 are movably arranged on the other protection hoop 2 through the clamping arrangement.
In this embodiment, the activity setting of standing groove 5 and rubber lasso 6 can fasten hoop 2 for hoop 2 can form airtight structure, thereby provides the safeguard effect to the surface of gas pipe 1, and hoop 2 is difficult for shifting, and the block groove 8 and the block 9 that the block set up can be convenient for people to splice the installation to the structure for the installation rate.
Specifically, the protection hoop 2 is fixedly provided with a protection cover plate 12 through a buffer spring 10, and the buffer spring 10 is fixedly arranged at the top and two sides of the protection hoop 2 respectively.
In this embodiment, buffer spring 10 can make protection apron 12 possess buffer space with 1 structure of gas pipe for protection apron 12 can not lead to the fact obvious influence to gas pipe 1 when suffering the striking, reduces the mechanical damage of gas pipe 1, and buffer spring 10 can also provide spacing effect to protecting hoop 2 through a spacing section of thick bamboo 11 in addition, makes protecting hoop 2 can fix the outer wall of injecing in gas pipe 1, and difficult skew ensures overall structure's stability ability.
Specifically, the inner wall of the protective cover plate 12 is fixedly provided with a rubber pad 21, one side of the rubber pad 21 is provided with a guide groove 22, and the outer wall of the rubber pad 21 is provided with a through hole 23.
In this embodiment, rubber pad 21 can strengthen the protection buffer capacity of protection apron 12, and the guide way 22 and the through-hole 23 that rubber pad 21 began moreover can ventilate the heat dissipation to overall structure to utilize guide way 22 to lead to moisture, reduce the influence that gas pipe 1 received humid environment, the moisture-proof is effectual.
Specifically, an extension plate 24 is fixedly arranged on one side of the protection cover plate 12, a groove 25 is formed in the other side of the protection cover plate 12, and protection sleeves 26 are fixedly arranged at corners of the protection cover plate 12.
In this embodiment, the movable setting of extension board 24 and recess 25 can accelerate overall structure's installation effectiveness, and lag 26 can reduce the striking degree of other objects and protective cover 12 moreover to ensure crewman's safety and health on the basis of protection gas pipe 1.
Specifically, the shape and size of the outer wall of the extension plate 24 and the shape and size of the inner wall of the groove 25 are matched with each other, the top of the extension plate 24 and the top of the groove 25 are both provided with fixing holes 27, and the inner wall of each fixing hole 27 is movably provided with a fixing bolt 28.
In this embodiment, the movable arrangement of the fixing holes 27 and the fixing bolts 28 can enhance the fixing effect when the two protection cover plates 12 are connected, so that the installation is fast and efficient, the installation steps are simplified, and the operation difficulty of workers is reduced.
Specifically, the supporting frame 14 is fixedly provided with a steel deck 15 through welding, the supporting frame 14 and the fastener 13 are located on the same vertical plane, the positioning hole 16 is in a long oval shape, and the bottom of the fastening bolt 17 penetrates through the top of the fastener 13 and extends out of the bottom of the top surface of the supporting frame 14.
In this embodiment, with support frame 14 welding at 15 structures of steel deck, overall structure's fixity can be ensured, locating hole 16 can be when the deviation appears in the installation through designing into the oval type hole of length moreover for fastening bolt 17 left and right sides direction, fore-and-aft direction are adjusted, improve the installation effectiveness.
Specifically, opening 29 has all been seted up to the outer wall of protection apron 12 and rubber pad 21, the fixed observation window 30 that is provided with of inner wall of opening 29, opening 29 all is located same perpendicular.
In this embodiment, opening 29 offer can be convenient for observe interior structure through observation window 30 to be convenient for people to the maintenance of gas pipeline, reduce hidden danger, all be located the observation scope that people can be strengthened to opening 29 of same perpendicular face moreover, observation effect is good.
Specifically, the transverse plate 19 is respectively and fixedly arranged at one side of the fastener 13 and the support frame 14, and one side of the plastic sheath 20 is respectively and fixedly provided with the fastener 13 and the support frame 14 through the transverse plate 19.
In this embodiment, the activity through diaphragm 19 and plastic sheath 20 sets up and to make the protruding position of fastener 13 and support frame 14 obtain protection buffering effect for people are difficult for striking protruding position, ensure people's safety and health.
The working principle and the using process of the invention are as follows: when using, at first with the support frame 14 welding at the top of steel deck 15 structure, then the activity through fastener 13 and support frame 14 sets up and makes protection cover plate 12 obtain fixed setting, and utilize the activity setting of locating hole 16 and fastening bolt 17 to strengthen its fixity, utilize to cover the laminating at the outer wall of gas pipe 1 with protecting hoop 2 after that, it is spacing to it with rubber lasso 6, then the activity through buffer spring 10 and spacing section of thick bamboo 11 sets up the placing inside protection cover plate 12 that makes gas pipe 1 can stabilize, then utilize extension plate 24 and another protection cover plate 12 built-up mounting of protection cover plate 12 one side, the installation is swift high-efficient, make protection cover plate 12 can protect gas pipe 1 that needs the protection.
In conclusion, this LNG ship gas pipeline protection device, through setting up the welding with support frame 14 at steel deck 15 structure, overall structure's fixed ability can be ensured, and locating hole 16 is through designing long oval type hole, can be when the deviation appears in the installation, make fastening bolt 17 left and right directions, the fore-and-aft direction is adjusted, installation effectiveness is improved, the activity through diaphragm 19 and plastic sheath 20 sets up can make fastener 13 and support frame 14's protruding position obtain protection buffering effect, make people be difficult for striking protruding position, ensure people's safety and health.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

  1. LNG ship gas pipeline protection device, including gas pipe (1), its characterized in that: the gas pipe is characterized in that a protection hoop (2) is movably arranged on the outer wall of the gas pipe (1), a positioning piece (3) is fixedly arranged at the top of the protection hoop (2), a fixing groove (4) is movably arranged on the outer wall of the positioning piece (3), a placing groove (5) is formed in the outer wall of the protection hoop (2), a rubber ferrule (6) is movably arranged on the inner wall of the placing groove (5), connecting sleeves (7) are fixedly arranged on two sides of the protection hoop (2), a clamping groove (8) is formed in one side of each connecting sleeve (7), a clamping block (9) is movably arranged on the inner wall of each clamping groove (8), a buffer spring (10) is fixedly arranged on the outer wall of the protection hoop (2), a limiting barrel (11) is movably arranged on the outer wall of one side of the buffer spring (10), and the limiting barrel (11) is arranged on the outer wall of a protection cover plate (12);
    the both sides of protection apron (12) are all fixed and are provided with fastener (13), the bottom activity of fastener (13) is provided with support frame (14), the fixed steel deck (15) that is provided with in bottom of support frame (14), locating hole (16) have all been seted up to fastener (13) and support frame (14) adjacent position, the inner wall activity of locating hole (16) is provided with fastening bolt (17), the outer wall activity of fastening bolt (17) is provided with nut (18), the outer wall of fastener (13) and support frame (14) is all fixed and is provided with diaphragm (19), the outer wall activity of diaphragm (19) sets up the inner wall at plastic sheath (20).
  2. 2. The LNG carrier gas pipeline protection device according to claim 1, wherein: the shape size of gas pipe (1) outer wall agrees with each other with the shape size of protecting hoop (2) inner wall, setting element (3) and fixed slot (4) set up for the block, protect hoop (2) through the block setting laminating gas pipe (1) outer wall.
  3. 3. The LNG carrier gas pipeline protection device according to claim 1, wherein: the number of the placing grooves (5) on the outer wall of each protection hoop (2) is three, the rubber ferrules (6) are movably arranged on the outer wall of each protection hoop (2) through the placing grooves (5), the clamping grooves (8) and the clamping blocks (9) are arranged in a clamping mode, and the protection hoops (2) are movably arranged on the other protection hoops (2) through the clamping mode.
  4. 4. The LNG carrier gas pipeline protection device according to claim 1, wherein: the protective hoop (2) is fixedly provided with a protective cover plate (12) through a buffer spring (10), and the buffer spring (10) is fixedly arranged at the top and two sides of the protective hoop (2) respectively.
  5. 5. The LNG carrier gas pipeline protection device according to claim 1, wherein: the inner wall of the protective cover plate (12) is fixedly provided with a rubber pad (21), one side of the rubber pad (21) is provided with a guide groove (22), and the outer wall of the rubber pad (21) is provided with a through hole (23).
  6. 6. The LNG carrier gas pipeline protection device according to claim 1, wherein: an extension plate (24) is fixedly arranged on one side of the protective cover plate (12), a groove (25) is formed in the other side of the protective cover plate (12), and protective sleeves (26) are fixedly arranged at corner positions of the protective cover plate (12).
  7. 7. An LNG carrier gas pipeline protection device according to claim 6, characterized in that: the shape and size of extension board (24) outer wall and the shape and size of recess (25) inner wall match each other, fixed orifices (27) have all been seted up at the top of extension board (24) and recess (25), the inner wall activity of fixed orifices (27) is provided with fixing bolt (28).
  8. 8. The LNG carrier gas pipeline protection device according to claim 1, wherein: the supporting frame (14) is provided with a steel deck (15) through welded fastening, the supporting frame (14) and the fastener (13) are located on the same vertical plane, the shape of the positioning hole (16) is set to be a long elliptic shape, and the bottom of the fastening bolt (17) penetrates through the top of the fastener (13) and extends out of the bottom of the top surface of the supporting frame (14).
  9. 9. The LNG carrier gas pipeline protection device according to claim 1, wherein: opening (29) have all been seted up to the outer wall of protection apron (12) and rubber pad (21), the inner wall of opening (29) is fixed and is provided with observation window (30), opening (29) all are located same perpendicular.
  10. 10. The LNG carrier gas pipeline protection device according to claim 1, wherein: the transverse plate (19) is fixedly arranged on one side of the fastener (13) and one side of the support frame (14) respectively, and the fastener (13) and the support frame (14) are fixedly arranged on one side of the plastic sheath (20) through the transverse plate (19) respectively.
CN202110852452.2A 2021-07-27 2021-07-27 LNG ship gas pipeline protection device Active CN113775854B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110852452.2A CN113775854B (en) 2021-07-27 2021-07-27 LNG ship gas pipeline protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110852452.2A CN113775854B (en) 2021-07-27 2021-07-27 LNG ship gas pipeline protection device

Publications (2)

Publication Number Publication Date
CN113775854A true CN113775854A (en) 2021-12-10
CN113775854B CN113775854B (en) 2023-04-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020180532A1 (en) * 2019-03-06 2020-09-10 J. Ray Mcdermott, S.A. Shroud for subsea flange protection
CN211738389U (en) * 2019-12-24 2020-10-23 张云琦 Prevention device for natural gas pipeline
CN112259848A (en) * 2020-10-26 2021-01-22 袁兴珍 Lithium battery with automatic heat dissipation protection function and use method thereof
CN212405019U (en) * 2020-05-18 2021-01-26 广西纳海交通设计咨询有限公司 Dock ship berths protection buffer stop
CN212868742U (en) * 2020-05-12 2021-04-02 扬州龙和造船有限公司 Oil pipe mounting structure of asphalt ship
CN213745236U (en) * 2020-09-23 2021-07-20 中兰环保科技股份有限公司 Pipeline bracket is collected to landfill marsh gas

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020180532A1 (en) * 2019-03-06 2020-09-10 J. Ray Mcdermott, S.A. Shroud for subsea flange protection
CN211738389U (en) * 2019-12-24 2020-10-23 张云琦 Prevention device for natural gas pipeline
CN212868742U (en) * 2020-05-12 2021-04-02 扬州龙和造船有限公司 Oil pipe mounting structure of asphalt ship
CN212405019U (en) * 2020-05-18 2021-01-26 广西纳海交通设计咨询有限公司 Dock ship berths protection buffer stop
CN213745236U (en) * 2020-09-23 2021-07-20 中兰环保科技股份有限公司 Pipeline bracket is collected to landfill marsh gas
CN112259848A (en) * 2020-10-26 2021-01-22 袁兴珍 Lithium battery with automatic heat dissipation protection function and use method thereof

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