CN111578000A - Marine floating raft type vibration isolation cabin connecting pipe - Google Patents
Marine floating raft type vibration isolation cabin connecting pipe Download PDFInfo
- Publication number
- CN111578000A CN111578000A CN202010534117.3A CN202010534117A CN111578000A CN 111578000 A CN111578000 A CN 111578000A CN 202010534117 A CN202010534117 A CN 202010534117A CN 111578000 A CN111578000 A CN 111578000A
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- Prior art keywords
- flange
- raft
- connecting pipe
- ring
- vibration isolation
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- 238000002955 isolation Methods 0.000 title claims abstract description 25
- 238000002788 crimping Methods 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/035—Noise absorbers in the form of specially adapted hangers or supports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a marine floating raft type vibration isolation through cabin connecting pipe which comprises a connecting pipe body, a connecting pipe assembly and a crimping flange, wherein the connecting pipe assembly penetrates through the connecting pipe body, and two ends of the connecting pipe assembly are fixed on the connecting pipe body through the crimping flange. The floating raft type vibration isolation through cabin connecting pipe for the ship can reduce the influence of the vibration of the cabin wall on a pipeline and can also reduce the influence of the vibration of the pipeline on the cabin wall. The invention can reduce vibration noise by more than 7-10 decibels.
Description
Technical Field
The invention relates to a marine floating raft type vibration isolation through cabin connecting pipe, in particular to a marine floating raft type vibration isolation through cabin connecting pipe with a watertight function, and belongs to the technical field of ship vibration reduction.
Background
The marine pipeline performs mission tasks for ships, and provides and conveys various constant pressure liquids and gases such as fresh water, hot water, fresh air and compressed air for normal life and work of people; such as supplying fuel oil and lubricating oil for the main machine and the auxiliary machine; providing hydraulic oil for the control systems of the main machine and the auxiliary machine; providing hydraulic oil for the controllable pitch propeller; providing pressure liquid and lubricating oil for deck machinery such as steering engines, anchor machines, cranes and the like; compressed air is provided for the starting of the main machine, the whistle and the pneumatic machinery, etc. However, as various cabin equipment for ships is numerous, various complicated pipeline systems are caused, and various pipelines inevitably pass through a hull structure and a bulkhead of the hull, particularly when passing through a watertight bulkhead with watertight requirements, watertight structure treatment must be carried out on the cabin-through pipeline. At present, the method for the through pipe of the steel watertight bulkhead in the shipbuilding industry at home and abroad is to weld the through cabin connecting pipe on the watertight bulkhead in a watertight manner directly so as to ensure the watertightness and firmness without vibration isolation measures. However, due to the effect of wind wave flow on the ship body, the working movement of various machines in the ship body, the flow of fluid in the pipeline and other factors, the complex vibration between the cabin-through connecting pipe and the wall of the watertight cabin is caused, so that the cabin-breaking or pipe-damaging accident is caused, and even a serious disaster is caused; the pipeline for conveying power fluid may cause large vibration and noise, the vibration and noise can cause severe environment of a working place and a mechanical place, adverse influence and damage to a liquid conveyor can be caused, adverse influence and damage to other equipment can be caused, physical and psychological damage can be caused to crews, a ship can not normally complete mission tasks in severe cases, stealth of a military ship is particularly not facilitated, and the operational capacity of the battle naval ship is severely restricted. In view of the above circumstances, it is urgently needed to design a novel marine vibration isolation through-cabin connecting pipe device to reduce the mutual vibration strength and vibration noise between a watertight bulkhead and a through-cabin connecting pipe and meet the watertight requirement of the bulkhead at the same time.
Disclosure of Invention
The invention aims to provide a floating raft type vibration isolation through cabin connecting pipe for a ship pipeline, which can reduce the vibration intensity by more than 7-10 decibels and has a watertight function.
The purpose of the invention is realized by the following technical scheme:
a marine floating raft type vibration isolation through cabin connecting pipe comprises a connecting pipe body 1, a connecting pipe assembly 3 and a crimping flange 2, wherein the connecting pipe assembly 3 penetrates through the connecting pipe body 1, and two ends of the connecting pipe assembly 3 are fixed on the connecting pipe body 1 through the crimping flange 2, and the marine floating raft type vibration isolation through cabin connecting pipe is characterized in that the connecting pipe assembly 3 comprises a connecting pipe 31, an outer clamping ring flange 32, an outer clamping special-shaped ring 33, a floating raft flange 34 and an inner clamping special-shaped ring 35; the outer peripheral surface of the middle part of the connecting pipe 31 is respectively provided with an isolated annular disc-shaped inner bearing shoulder 312 along the left and right sides of the axial direction, the inner bearing shoulders 312 are respectively provided with an inner clamping special-shaped ring 35 outwards in sequence, and the inner side of the inner clamping special-shaped ring 35 is tightly pressed on the inner bearing shoulders 312; the outer side of the inner clamping special-shaped ring 35 is connected with a floating raft flange 34 in an abutting mode, and the other side of the floating raft flange 34 is provided with an outer clamping special-shaped ring 33; the outer side of the outer clamping special-shaped ring 33 is abutted to the inner concave surface of the outer clamping ring flange 32, the outer side of the outer clamping ring flange 32 is connected with the crimping flange 2 in a sealing mode, and two ends of the connecting pipe assembly 3 are axially fixed through the crimping flange 2.
Further preferably, the adapter tube assembly 3 further comprises a floating raft bridge bar 36, the floating raft bridge bar 36 is a structure with a rectangular cross section and a groove-shaped outer shape, and two ends of the floating raft bridge bar 36 are fixedly connected with the lower ends of the floating raft flanges 34 on two sides.
Further preferably, the joint pipe assembly 3 further comprises a plurality of inner bearing shoulder rotation-stopping pieces 314, a plurality of inner collar inner rotation-stopping pieces 343, a plurality of floating raft outer rotation-stopping pieces 345 and a plurality of crimping flange rotation-stopping pieces 323.
Further preferably, the buoyant raft flange 34 is a ring structure with a cross section in an internal-external stepped shape.
Preferably, the plurality of inner bearing shoulder rotation stopping sheets 314 are uniformly distributed along the circumferential direction and fixed at the root of the end surface of the inner bearing shoulder 312 abutting against the inner profiled ring 35; the inner retainer ring inner rotation-stopping sheets 343 are uniformly distributed in the circumferential direction and are fixed to the root of the inner step tread of the raft flange 34 abutting against the inner retainer profiled ring 35; the plurality of floating raft outer rotation stopping sheets 345 are uniformly distributed along the circumferential direction and fixed at the root part of the outer step tread of the floating raft flange 34 abutted against the outer clamping special-shaped ring 33; the plurality of crimping flange anti-rotation pieces 323 are uniformly distributed along the circumferential direction and are fixed on the root part of the inner end surface of the outer clamping ring flange 32 which is abutted with the outer clamping special-shaped ring 33.
Further preferably, two ends of the adapter tube 31 are respectively provided with a tube connector 311, and a plurality of frequency modulation shoulders 313 are axially arranged on the outer circumferential surface of the adapter tube 31 between the tube connector 311 and the inner bearing shoulder 312; the outer surfaces of the adapter tubes 31 between the two tube joints 311 are respectively coated with a vibration absorbing layer 38.
Further preferably, the adapter tube 31, the inner shoulder-bearing rotation-stopping piece 314 and the inner profiled snap ring 35 are vulcanized into a whole by a vulcanization process.
Further preferably, the crimping flange 2 is an annular structure with a rectangular cross section, and an inner ring of an upper side surface thereof is fixedly connected with the outer snap ring flange 32, and an outer ring of an upper side surface thereof is fixedly fastened to the adapter body 1.
Further preferably, a body sealing gasket 4 is further arranged between the adapter body 1 and the crimping flange 2; an assembly sealing gasket 5 is further arranged between the crimping flange 2 and the outer clamping ring flange 32.
Further preferably, the number of the inner shoulder stops 314, the number of the inner collar inner stop 343, the number of the raft outer stop 345 and the number of the crimping flange stop 323 are at least 3.
Further preferably, the pipe joints 311 at both ends of the adapter pipe 31 are threaded pipe joints or flange pipe joints.
The floating raft type vibration isolation through cabin connecting pipe for the ship can reduce the influence of the vibration of the cabin wall on the pipeline and can also reduce the influence of the vibration of the pipeline on the cabin wall. The invention can reduce vibration noise by more than 7-10 decibels.
The invention can be applied to land and vehicle besides ships; all obtain good social and economic benefits.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a nozzle body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is a schematic structural view of a crimping flange according to an embodiment of the invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
FIG. 7 is a schematic structural diagram of a nozzle in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken at B-B of FIG. 7;
FIG. 9 is a schematic view of an embodiment of an outer collar flange of the present invention;
FIG. 10 is a cross-sectional view taken at E-E of FIG. 9;
fig. 11 is a schematic structural view of a flange of a buoyant raft according to an embodiment of the present invention;
FIG. 12 is a cross-sectional view at F-F in FIG. 11;
fig. 13 is a schematic structural view of a raft bridge in accordance with an embodiment of the present invention;
FIG. 14 is a cross-sectional view taken at G-G of FIG. 13;
FIG. 15 is a schematic structural diagram of an outer clip shaped ring according to an embodiment of the present invention;
FIG. 16 is a cross-sectional view taken at L-L in FIG. 15;
FIG. 17 is a schematic structural view of an inner card form ring according to an embodiment of the invention;
FIG. 18 is a cross-sectional view taken at M-M of FIG. 17;
FIG. 19 is a plan view of a body seal gasket in accordance with an embodiment of the present invention;
FIG. 20 is a plan view of an assembly seal gasket in accordance with an embodiment of the present invention.
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.
As shown in fig. 1 and 2, the ship floating-raft type vibration isolation through-cabin connecting pipe comprises a ship bulkhead 9 inside a ship body and the ship floating-raft type vibration isolation through-cabin connecting pipe of the invention, wherein the ship floating-raft type vibration isolation through-cabin connecting pipe penetrates through the ship bulkhead 9, and is welded on the ship bulkhead 9 through the connecting pipe body 1.
The marine floating raft type vibration isolation through cabin connecting pipe comprises a connecting pipe body 1, two body sealing gaskets 4, a plurality of body connecting bolts 1a, two crimping flanges 2, a connecting pipe assembly 3, two assembly sealing gaskets 5 and a plurality of assembly connecting bolts 3 a; the connecting pipe body 1, the connecting pipe assembly 3, the two body sealing gaskets 4, the two crimping flanges 2 and the two assembly sealing gaskets 5 are arranged in a coaxial line bilateral symmetry mode.
The connecting pipe assembly 3 comprises a connecting pipe 31, two outer collar flanges 32, two outer collar special-shaped rings 33, two floating raft flanges 34, two inner collar special-shaped rings 35, a plurality of inner bearing shoulder rotation stopping sheets 314, a plurality of inner collar inner rotation stopping sheets 343, a plurality of floating raft outer rotation stopping sheets 345, a plurality of crimping flange rotation stopping sheets 323, a plurality of floating raft bridge rods 36 and a plurality of floating raft connecting bolts 36 a.
As shown in fig. 1 to 6, the cross section of the connecting pipe body 1 is a rectangular ring structure, and a plurality of body threaded holes 11 are uniformly distributed at both ends of the connecting pipe body along the circumference.
The crimping flange 2 is of an annular structure with a rectangular cross section, a plurality of assembly bolt holes 3a1 are uniformly distributed at the position close to the inner ring along the circumference, and a plurality of body bolt holes 1a1 are uniformly distributed at the position close to the outer ring along the circumference;
as shown in fig. 1, 2, and 7 to 18, two pipe joints 311 are respectively arranged at two ends of the adapter pipe 31; the outer peripheral surface of the middle part of the connecting pipe 31 is provided with an annular disc-shaped inner bearing shoulder 312 along the left and right sides of the axial direction; a plurality of inner bearing shoulder rotation stopping sheets 314 are uniformly distributed on the root part of the end surface of the inner bearing shoulder 312 adjacent to the inner clamping special-shaped ring 35 along the circumferential direction; a plurality of frequency-adjusting shoulders 313 are axially arranged on the outer circumferential surface of the connecting pipe 31 between the pipe joint 311 and the inner bearing shoulder 312.
The outer surface of the adapter tube 31 between the two tube joints 311 is coated with a vibration absorbing layer 38.
The outer clip special-shaped ring 33 is an annular structure with an S-shaped cross section, a plurality of outer clip inner rotation stopping grooves 33a are uniformly distributed along the circumference at the end adjacent to the floating raft flange 34, and a plurality of outer clip outer rotation stopping grooves 33b are uniformly distributed along the circumference at the end adjacent to the outer clip flange 32.
The inner clip irregular ring 35 is an annular structure with an S-shaped cross section, and has a plurality of inner clip inner rotation stopping grooves 35a uniformly distributed along the circumference at the end adjacent to the inner bearing shoulder 312, and a plurality of inner clip outer rotation stopping grooves 35b uniformly distributed along the circumference at the end adjacent to the buoyant raft flange 34.
The section of the floating raft flange 34 is an annular structure with inner and outer steps, a plurality of floating raft flange bolt holes 341 are uniformly distributed along the circumferential direction on a large end flange adjacent to the floating raft bridge beam 36, a plurality of fixed inner collar inner rotation stopping sheets 343 are uniformly distributed along the circumferential length on the root part of an inner step ladder surface adjacent to the inner clamping special-shaped ring 35, and a plurality of fixed floating raft outer rotation stopping sheets 345 are uniformly distributed along the circumferential length on the root part of an outer step ladder surface adjacent to the outer clamping special-shaped ring 33.
The outer clamping ring flange 32 is an annular structure with a concave section shape, a plurality of fixed crimping flange rotation stopping sheets 323 are uniformly distributed on the root part of the inner concave surface adjacent to the outer clamping special-shaped ring 33 along the circumference, and a plurality of assembly threaded holes 324 are uniformly distributed on the end surface adjacent to the assembly sealing gasket 5 along the circumference;
the floating raft bridge beam 36 is of a structure with a rectangular section and a groove-shaped appearance, and the groove edges at two ends of the floating raft bridge beam are respectively provided with a bridge beam threaded hole 361;
the two inner clamping special-shaped rings 35, the two floating raft flanges 34, the two outer clamping special-shaped rings 33 and the two outer clamping ring flanges 32 are respectively sleeved on the connecting pipe 31 in sequence from two ends of the connecting pipe 31; the inner clamping special-shaped ring 35 is arranged between the outer end face of the inner bearing shoulder 312 and the inner end face of the large end of the floating raft flange 34, the inner bearing shoulder rotation-stopping sheet 314 is embedded into the inner clamping inner rotation-stopping groove 35a, and the inner clamping ring inner rotation-stopping sheet 343 is embedded into the inner clamping outer rotation-stopping groove 35 b; the outer clamping special-shaped ring 33 is arranged between the outer end face of the small end of the floating raft flange 34 and the inner end face of the large end of the outer clamping ring flange 32, the outer rotation stopping sheet 345 of the floating raft is embedded into the outer clamping inner rotation stopping groove 33a, and the crimping flange rotation stopping sheet 323 is embedded into the outer clamping outer rotation stopping groove 33 b.
The connecting pipe 31, the vibration absorbing layer 38, the two inner clamping irregular rings 35, the two floating raft flanges 34, the two outer clamping irregular rings 33, the inner shoulder bearing rotation stopping pieces 314, the inner collar inner rotation stopping pieces 343, the floating raft outer rotation stopping pieces 345, the crimping flange rotation stopping pieces 323 and the two outer collar flanges 32 are vulcanized into a whole.
The floating raft bridge bar 36 is arranged between the two floating raft flanges 34, the floating raft connecting bolt 36a penetrates through the floating raft flange bolt hole 341 to be connected with the bridge bar threaded hole 361, and the floating raft bridge bar 36 is connected with the left and right floating raft flanges 34 to form the adapter tube assembly 3.
As shown in fig. 1, 2, 19 and 20, the body sealing gasket 4 is a thin sheet with a ring-shaped structure, and is provided with a plurality of circumscribed flange bolt holes 1a 1; the assembly sealing gasket 5 is a thin sheet with an annular structure and is provided with a plurality of assembly bolt holes 3a 1;
as shown in fig. 1 and 2, the adapter assembly 3 passes through the adapter body 1; the two body sealing gaskets 4, the two assembly sealing gaskets 5 and the two crimping flanges 2 are respectively sleeved on the connecting pipe assembly 3 from two ends of the connecting pipe assembly 3; the body sealing washer 4 is arranged between the adapter body 1 and the crimping flange 2, the body connecting bolt 1a penetrates through the external flange bolt hole 1a1 to be connected with the body threaded hole 11, and the adapter body 1, the body sealing washer 4 and the crimping flange 2 are connected; the assembly sealing washer 5 is arranged between the crimping flange 2 and the outer clamping ring flange 32, the assembly connecting bolt 3a penetrates through the assembly bolt hole 3a1 to be connected with the assembly threaded hole 324, and the connecting pipe assembly 3, the assembly sealing washer 5 and the crimping flange 2 are connected to form the marine floating raft type vibration isolation through cabin connecting pipe.
The connecting pipe body 1 is made of carbon steel or copper alloy or aluminum alloy; the crimping flange 2, the connecting pipe 31, the outer clamping ring flange 32, the floating raft flange 34, the floating raft bridge rod 36, the inner bearing shoulder rotation stopping sheet 314, the floating raft inner rotation stopping sheet 343, the floating raft outer rotation stopping sheet 345 and the crimping flange rotation stopping sheet 323 are made of carbon steel or copper alloy or aluminum alloy or vibration reduction alloy; the outer clamping special-shaped ring 33, the inner clamping special-shaped ring 35 and the vibration absorption layer 38 are made of vibration absorption rubber; the body sealing washer 4 and the assembly sealing washer 5 are made of rubber, asbestos rubber, soft aluminum or red copper; the body connecting bolt 1a, the assembly connecting bolt 3a and the floating raft connecting bolt 36a are made of carbon steel or vibration reduction alloy.
As a preferred embodiment, the number of the body connecting bolts 1a is greater than the number of the assembly connecting bolts 3a, and the number of the assembly connecting bolts 3a is greater than the number of the raft connecting bolts 36 a.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present invention.
Claims (7)
1. A marine floating raft type vibration isolation through cabin connecting pipe comprises a connecting pipe body (1), a connecting pipe assembly (3) and a crimping flange (2), wherein the connecting pipe assembly (3) penetrates through the connecting pipe body (1), two ends of the connecting pipe assembly (3) are fixed on the connecting pipe body (1) through the crimping flange (2), and the marine floating raft type vibration isolation through cabin connecting pipe is characterized in that,
the connecting pipe assembly (3) comprises a connecting pipe (31), an outer clamping ring flange (32), an outer clamping special-shaped ring (33), a floating raft flange (34) and an inner clamping special-shaped ring (35); the outer peripheral surface of the middle part of the connecting pipe (31) is respectively provided with an isolated annular disc-shaped inner bearing shoulder (312) along the left and right sides of the axial direction, the inner bearing shoulders (312) are respectively provided with an inner clamping special-shaped ring (35) outwards in sequence, and the inner side of the inner clamping special-shaped ring (35) is tightly pressed on the inner bearing shoulders (312); the outer side of the inner clamping special-shaped ring (35) is abutted to a floating raft flange (34), and the other side of the floating raft flange (34) is provided with an outer clamping special-shaped ring (33); the outer side of the outer clamping special-shaped ring (33) is abutted to the inner concave surface of the outer clamping ring flange (32), the outer side of the outer clamping ring flange (32) is connected with the crimping flange (2) in a sealing mode, and two ends of the connecting pipe assembly (3) are axially fixed through the crimping flange (2).
2. The marine raft-type vibration isolation through-cabin joint pipe according to claim 1, wherein the joint pipe assembly (3) further comprises a raft bridge bar (36), the raft bridge bar (36) is a structure with a rectangular cross section and a trough-shaped outer shape, and two ends of the raft bridge bar (36) are fixedly connected with lower ends of the raft flanges (34) at two sides.
3. The marine raft-type vibration isolation through-tank joint pipe according to claim 1, wherein the joint pipe assembly (3) further comprises a plurality of inner shoulder-bearing rotation-stopping pieces (314), a plurality of inner raft rotation-stopping pieces (343), a plurality of outer raft rotation-stopping pieces (345) and a plurality of crimping flange rotation-stopping pieces (323);
the inner bearing shoulder rotation stopping sheets (314) are uniformly distributed along the circumferential direction and are fixed at the root part of the end surface of the inner bearing shoulder (312) which is abutted with the inner clamping special-shaped ring (35); the floating raft inner rotation stopping sheets (343) are uniformly distributed along the circumferential direction and are fixed at the root part of the inner step ladder surface of the floating raft flange (34) which is abutted with the inner clamping special-shaped ring (35); the plurality of floating raft outer rotation stopping sheets (345) are uniformly distributed along the circumferential direction and fixed at the root part of the outer step ladder surface of the floating raft flange (34) which is abutted with the outer clamping special-shaped ring (33); the plurality of crimping flange anti-rotation pieces (323) are uniformly distributed along the circumferential direction and are fixed at the root part of the inner concave surface of the outer clamping ring flange (32) which is abutted with the outer clamping special-shaped ring (33).
4. The marine raft-type vibration isolation through-cabin connection pipe according to claim 1, wherein a pipe joint (311) is provided at each end of the connection pipe (31), and a plurality of frequency modulation shoulders (313) are axially provided on the outer circumferential surface of the connection pipe (31) between the pipe joint (311) and the inner bearing shoulder (312); the outer surface between the two pipe joints (311) is coated with a vibration absorption layer (38); the pipe joint (311) is a threaded pipe joint or a flange pipe joint.
5. The marine raft-type vibration isolation bulkhead adapter according to claim 1, wherein the crimping flange (2) is an annular structure with a rectangular cross-sectional shape, and an inner ring at an upper side thereof is fixedly connected with the outer snap ring flange (32), and an outer ring at an upper side thereof is fixedly connected with the adapter body (1).
6. The marine buoyant raft type vibration isolation through cabin connection pipe according to claim 5, wherein a body sealing gasket (4) is further arranged between the connection pipe body (1) and the crimping flange (2); an assembly sealing gasket (5) is further arranged between the crimping flange (2) and the outer clamping ring flange (32).
7. The marine raft-type vibration isolation bulkhead adapter according to claim 3, wherein the number of the inner shoulder bearing rotation stop piece (314), the inner raft rotation stop piece (343), the outer raft rotation stop piece (345) and the crimping flange rotation stop piece (323) is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534117.3A CN111578000B (en) | 2020-06-12 | 2020-06-12 | Marine floating raft type vibration isolation cabin connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010534117.3A CN111578000B (en) | 2020-06-12 | 2020-06-12 | Marine floating raft type vibration isolation cabin connecting pipe |
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| Publication Number | Publication Date |
|---|---|
| CN111578000A true CN111578000A (en) | 2020-08-25 |
| CN111578000B CN111578000B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010534117.3A Active CN111578000B (en) | 2020-06-12 | 2020-06-12 | Marine floating raft type vibration isolation cabin connecting pipe |
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| CN (1) | CN111578000B (en) |
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| CN107387882A (en) * | 2017-08-31 | 2017-11-24 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of fluid pressure line with vibration-damping function joint through walls |
| CN109084092A (en) * | 2018-09-30 | 2018-12-25 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of vibration damping pipeline crossing cabin washer |
| CN109707914A (en) * | 2018-12-28 | 2019-05-03 | 无锡市华东减震器有限公司 | Cabin-penetrating pipe vibration and noise reducing device |
| CN109695782A (en) * | 2019-01-16 | 2019-04-30 | 中国人民解放军海军工程大学 | A kind of multi stage resilient crossing cabin isolation mounting based on rubber damping |
| CN109854818A (en) * | 2019-01-16 | 2019-06-07 | 华中科技大学 | A kind of sealed pipeline elasticity crossing cabin isolation mounting |
| CN110454619A (en) * | 2019-07-19 | 2019-11-15 | 中国船舶重工集团公司第七一九研究所 | A kind of flexible crossing cabin part suitable for ship |
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