CN111578000B - Marine floating raft type vibration isolation cabin connecting pipe - Google Patents
Marine floating raft type vibration isolation cabin connecting pipe Download PDFInfo
- Publication number
- CN111578000B CN111578000B CN202010534117.3A CN202010534117A CN111578000B CN 111578000 B CN111578000 B CN 111578000B CN 202010534117 A CN202010534117 A CN 202010534117A CN 111578000 B CN111578000 B CN 111578000B
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- Prior art keywords
- flange
- floating raft
- connecting pipe
- rotation stopping
- ring
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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
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- 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 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 cabin connecting pipe for the ship can reduce the influence of vibration of a cabin wall on a pipeline and reduce the influence of the vibration of the pipeline on the cabin wall. The invention can reduce the vibration noise by more than 7-10 decibels.
Description
Technical Field
The invention relates to a ship floating raft type vibration isolation cabin connecting pipe, in particular to a ship floating raft type vibration isolation cabin connecting pipe with watertight function, and belongs to the technical field of ship vibration reduction.
Background
The marine pipeline performs mission tasks for the ship, and provides and conveys various pressure liquids and gases such as fresh water, hot water, fresh air and compressed air continuously for normal life and work of personnel; such as supplying fuel oil and lubricating oil to a main machine and an auxiliary machine; providing hydraulic oil for a control system of the main machine and the auxiliary machine; providing hydraulic oil for the pitch-adjusting 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 host startup, siren, pneumatic machinery, and the like. However, various complicated pipeline systems are caused by various cabin equipment for ships, and various pipelines inevitably pass through the hull structure and the bulkhead of the hull, and particularly pass through the watertight bulkhead with watertight requirements, so that watertight structure treatment is required for the cabin-passing pipeline. At present, the method for manufacturing the steel watertight bulkhead through pipe in the shipbuilding world at home and abroad is to weld the cabin through pipe on the watertight bulkhead directly in watertight mode so as to ensure the watertightness and the firmness of the cabin through pipe without vibration isolation measures. However, due to the action of the wave current on the ship body, the working motions of various machines in the ship body, the flow of fluid in the pipeline and other factors, complex vibration between the cabin passing connecting pipe and the watertight bulkhead is caused, thereby causing cabin breaking or pipe damage accidents and even serious disasters; for pipelines for conveying power fluid, larger vibration and noise can be caused, the environments of workplaces and mechanical places are bad, adverse effects and damages to liquid conveyors can be caused, adverse effects and damages to other equipment can be caused, meanwhile, physical and psychological damages to crews can be caused, when serious, the ships can not normally complete mission tasks, the stealth of military ships is particularly bad, and the combat capability of combat ships is severely restricted. Aiming at the situation, the novel vibration isolation cabin connecting pipe device for the ship is urgently needed to reduce the mutual vibration intensity and vibration noise between the watertight cabin wall and the cabin connecting pipe and simultaneously meet the watertight requirement of the cabin wall.
Disclosure of Invention
The invention aims to provide a ship floating raft type vibration isolation cabin connecting pipe with watertight function, which can lighten the vibration intensity by more than 7-10 decibels for a ship pipeline.
The aim of the invention is realized by the following technical scheme:
The marine floating raft type vibration isolation 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; an annular inner bearing shoulder 312 which is isolated is respectively arranged on the outer peripheral surface of the middle part of the connecting pipe 31 along the axial left and right, the inner bearing shoulders 312 are outwards and sequentially provided with inner clamping special-shaped rings 35 respectively, and the inner sides of the inner clamping special-shaped rings 35 are tightly pressed on the inner bearing shoulders 312; the outer side of the inner clamping special-shaped ring 35 is abutted with 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 against the inner concave surface of the outer clamping ring flange 32, the outer side of the outer clamping ring flange 32 is in sealing connection with the crimping flange 2, and two ends of the connecting pipe assembly 3 are axially fixed through the crimping flange 2.
Further preferably, the connection pipe assembly 3 further comprises a floating raft bridge rod 36, the floating raft bridge rod 36 is of a structure with a rectangular cross section and a groove shape, and two ends of the floating raft bridge rod 36 are fixedly connected with the lower ends of the floating raft flanges 34 at two sides.
Further preferably, the adapter assembly 3 further comprises a plurality of inner shoulder stop tabs 314, a plurality of inner collar inner stop tabs 343, a plurality of buoyant raft outer stop tabs 345 and a plurality of crimping flange stop tabs 323.
Further preferably, the buoyant raft flange 34 has a ring-shaped structure with a cross-section having an inner and outer stepped shape.
Further preferably, the plurality of inner shoulder-supporting rotation stopping pieces 314 are uniformly distributed along the circumferential direction and fixed at the root of the end face of the inner shoulder-supporting piece 312 abutting against the inner clamping special-shaped ring 35; the inner retainer ring inner rotation stopping plates 343 are uniformly distributed along the circumferential direction and fixed at the root of the inner ladder surface of the floating raft flange 34 which is abutted against the inner retainer special-shaped ring 35; the plurality of outer rotation stopping plates 345 of the buoyant raft are uniformly distributed along the circumferential direction and fixed at the root of the outer stepped surface of the buoyant raft flange 34 which is abutted against the outer clamping special-shaped ring 33; the plurality of compression joint flange rotation stopping plates 323 are uniformly distributed along the circumferential direction and fixed at the root of the inner end surface of the outer clamping ring flange 32 which is abutted against the outer clamping special-shaped ring 33.
Further preferably, two ends of the connecting tube 31 are respectively provided with a tube joint 311, and a plurality of frequency modulation shoulders 313 are axially arranged on the outer peripheral surface of the connecting tube 31 between the tube joint 311 and the inner bearing shoulder 312; the outer surfaces of the connecting pipe 31 between the two pipe joints 311 are respectively coated with a shock absorbing layer 38.
Further preferably, the adapter tube 31, the inner shoulder stop 314 and the inner clamping profiled ring 35 are vulcanized into a whole by a vulcanization process.
Further preferably, the crimping flange 2 has a ring-shaped structure with a rectangular cross-section, an upper side inner ring thereof is fixedly connected with the outer collar flange 32, and an upper side outer ring thereof is fixedly connected with the adapter body 1.
Further preferably, a body sealing gasket 4 is further arranged between the connecting 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.
Further preferably, the number of inner shoulder stop tabs 314, the number of inner collar inner stop tabs 343, the number of buoyant raft outer stop tabs 345 and the number of crimping flange stop tabs 323 are at least 3.
Further preferably, the pipe joints 311 at two ends of the connecting pipe 31 are threaded pipe joints or flanged pipe joints.
The floating raft type vibration isolation cabin connecting pipe for the ship can reduce the influence of vibration of a cabin wall on a pipeline and the influence of the vibration of the pipeline on the cabin wall. The invention can reduce the vibration noise by more than 7-10 decibels.
The invention can be applied to land and vehicles as well as ships; good social and economic benefits are obtained.
Drawings
FIG. 1 is a schematic 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 view of a structure of a nozzle body according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is a schematic view of the structure of a crimping flange according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view at C-C in FIG. 5;
FIG. 7 is a schematic diagram of a nozzle according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view at B-B in FIG. 7;
FIG. 9 is a schematic view of the construction of an outer collar flange according to an embodiment of the present invention;
FIG. 10 is a cross-sectional view taken at E-E of FIG. 9;
FIG. 11 is a schematic view of a structure of a raft flange according to an embodiment of the invention;
FIG. 12 is a cross-sectional view taken at F-F in FIG. 11;
FIG. 13 is a schematic view of the structure of a floating raft bridge according to 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 view of the structure of the special-shaped ring for the outer card according to the embodiment of the invention;
FIG. 16 is a cross-sectional view taken at L-L in FIG. 15;
FIG. 17 is a schematic view of the structure of an inner clamping special-shaped ring according to an embodiment of the invention;
FIG. 18 is a cross-sectional view at M-M in FIG. 17;
FIG. 19 is a plan view of a body seal gasket according to an embodiment of the present invention;
FIG. 20 is a plan view of an embodiment of the invention assembly sealing gasket.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 2, the ship comprises a ship bulkhead 9 inside a ship body and a ship floating raft type vibration isolation through-cabin connecting pipe, wherein the ship floating raft type vibration isolation through-cabin connecting pipe passes 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 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 3a; 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 left-right symmetry manner.
The adapter tube assembly 3 comprises an adapter tube 31, two outer clamping ring flanges 32, two outer clamping special-shaped rings 33, two floating raft flanges 34, two inner clamping special-shaped rings 35, a plurality of inner shoulder bearing rotation stopping sheets 314, a plurality of inner clamping ring inner rotation stopping sheets 343, a plurality of floating raft outer rotation stopping sheets 345, a plurality of compression joint flange rotation stopping sheets 323, a plurality of floating raft bridge rods 36 and a plurality of floating raft connecting bolts 36a.
As shown in fig. 1 to 6, the cross section of the connecting pipe body 1 is a rectangular ring structure, and two ends of the connecting pipe body are uniformly distributed with a plurality of body threaded holes 11 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 near the inner ring along the circumference, and a plurality of body bolt holes 1a1 are uniformly distributed near the outer ring along the circumference;
As shown in fig. 1, 2 and 7 to 18, two ends of the connecting tube 31 are respectively provided with a tube joint 311; the outer peripheral surface of the middle part of the connecting pipe 31 is provided with an annular inner bearing shoulder 312 respectively along the axial left and right; a plurality of inner shoulder bearing rotation stopping plates 314 are uniformly distributed on the root of the end surface of the inner shoulder bearing 312 adjacent to the inner clamping special-shaped ring 35 along the circumferential direction; the outer circumferential surface of the connecting piece 31 between the pipe connection 311 and the inner bearing shoulder 312 has several axially adjustable shoulder 313.
The outer surface between the two pipe joints 311 of the adapter tube 31 is covered with a shock-absorbing layer 38.
The outer clamping special-shaped ring 33 is an annular structure with an S-shaped section, a plurality of outer clamping inner rotation stopping grooves 33a which are uniformly distributed along the circumference are formed at the end adjacent to the floating raft flange 34, and a plurality of outer clamping outer rotation stopping grooves 33b which are uniformly distributed along the circumference are formed at the end adjacent to the outer clamping ring flange 32.
The inner clamping special-shaped ring 35 is an annular structure with an S-shaped section, a plurality of inner clamping inner rotation stopping grooves 35a uniformly distributed along the circumference are formed at the end adjacent to the inner bearing shoulder 312, and a plurality of inner clamping outer rotation stopping grooves 35b uniformly distributed along the circumference are formed at the end adjacent to the floating raft flange 34.
The buoyant raft flange 34 is an annular structure with a section in an inner-outer stepped shape, a plurality of buoyant raft flange bolt holes 341 are uniformly distributed on the large end flange adjacent to the buoyant raft bridge rod 36 along the circumferential direction, a plurality of fixed inner collar inner rotation stopping plates 343 are uniformly distributed on the root of the inner stepped ladder surface adjacent to the inner clamping special-shaped ring 35 along the circumferential direction, and a plurality of fixed buoyant raft outer rotation stopping plates 345 are uniformly distributed on the root of the outer stepped ladder surface adjacent to the outer clamping special-shaped ring 33 along the circumferential direction.
The outer clamping ring flange 32 is an annular structure with a concave section, a plurality of fixed compression joint flange rotation stopping plates 323 are uniformly distributed on the root of an 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 36 has a rectangular cross section and a groove-shaped appearance, and the groove edges at the two ends of the floating raft bridge are respectively provided with a bridge 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 from two ends of the connecting pipe 31 in sequence; the inner clamping special-shaped ring 35 is arranged between the outer end surface of the inner bearing shoulder 312 and the inner end surface of the large end of the floating raft flange 34, the inner bearing shoulder rotation stopping piece 314 is embedded into the inner clamping inner rotation stopping groove 35a, and the inner clamping inner rotation stopping piece 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 piece 345 of the floating raft is embedded in the outer clamping inner rotation stopping groove 33a, and the compression joint flange rotation stopping piece 323 is embedded in the outer clamping outer rotation stopping groove 33 b.
The adapter tube 31, the shock absorbing layer 38, the two inner clamping special-shaped rings 35, the two buoyant raft flanges 34, the two outer clamping special-shaped rings 33, the plurality of inner shoulder bearing rotation stopping sheets 314, the plurality of inner collar inner rotation stopping sheets 343, the plurality of buoyant raft outer rotation stopping sheets 345, the plurality of crimping flange rotation stopping sheets 323 and the two outer clamping ring flanges 32 are vulcanized into a whole.
The floating raft bridge 36 is disposed between the two floating raft flanges 34, and the floating raft connecting bolts 36a pass through the floating raft flange bolt holes 341 and are connected with the bridge threaded holes 361, so that the floating raft bridge 36 is connected with the left and right floating raft flanges 34 to form the connecting pipe assembly 3.
As shown in fig. 1,2, 19 and 20, the body sealing gasket 4 is a thin sheet with an annular structure, and a plurality of external flange bolt holes 1a1 are formed in the thin sheet; the assembly sealing gasket 5 is a thin sheet with an annular structure, and a plurality of assembly bolt holes 3a1 are formed in the thin sheet;
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 the two ends of the connecting pipe assembly 3; the body sealing gasket 4 is arranged between the connecting pipe body 1 and the crimping flange 2, the body connecting bolt 1a passes through the external flange bolt hole 1a 1to be connected with the body threaded hole 11, and the connecting pipe body 1, the body sealing gasket 4 and the crimping flange 2 are connected; the assembly sealing gasket 5 is arranged between the compression joint flange 2 and the outer clamping ring flange 32, and the assembly connecting bolt 3a passes through the assembly bolt hole 3a 1to be connected with the assembly threaded hole 324, so that the connecting pipe assembly 3, the assembly sealing gasket 5 and the compression joint flange 2 are connected to form the marine floating raft type vibration isolation cabin connecting pipe.
The material of the connecting pipe body 1 is carbon steel or copper alloy or aluminum alloy; the crimp flange 2, the adapter tube 31, the outer clamping ring flange 32, the floating raft flange 34, the floating raft bridge rod 36, the inner shoulder bearing rotation stopping piece 314, the floating raft inner rotation stopping piece 343, the floating raft outer rotation stopping piece 345 and the crimp flange rotation stopping piece 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 absorbing layer 38 are made of vibration absorbing rubber; the body sealing gasket 4 and the assembly sealing gasket 5 are made of rubber or asbestos rubber or soft aluminum or red copper; the body connecting bolt 1a, the assembly connecting bolt 3a and the buoyant raft connecting bolt 36a are made of carbon steel or vibration damping alloy.
As a preferred embodiment, the number of the body connection bolts 1a is greater than the number of the assembly connection bolts 3a, and the number of the assembly connection bolts 3a is greater than the number of the buoyant raft connection bolts 36 a.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (6)
1. The utility model provides a cabin takeover is led to in marine floating raft type vibration isolation, includes takeover body (1), takeover assembly (3) and crimping flange (2), takeover assembly (3) pass takeover body (1), the both ends of takeover assembly (3) are fixed in on takeover body (1) through crimping flange (2), its 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); an annular inner bearing shoulder (312) which is isolated is respectively arranged on the outer peripheral surface of the middle part of the connecting pipe (31) along the axial direction left and right, the inner bearing shoulders (312) are outwards and sequentially provided with inner clamping special-shaped rings (35), and the inner sides of the inner clamping special-shaped rings (35) are tightly pressed on the inner bearing shoulders (312); the outer side of the inner clamping special-shaped ring (35) is abutted against the floating raft flange (34), and the outer clamping special-shaped ring (33) is arranged on the other side of the floating raft flange (34); the outer side of the outer clamping special-shaped ring (33) is abutted against 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 manner, and the two ends of the connecting pipe assembly (3) are axially fixed through the crimping flange (2);
The connecting pipe assembly (3) further comprises a floating raft bridge rod (36), the floating raft bridge rod (36) is of a structure with a rectangular section and a groove-shaped appearance, and two ends of the floating raft bridge rod (36) are fixedly connected with the lower ends of the floating raft flanges (34) on two sides.
2. The marine floating raft vibration isolation bulkhead nipple of claim 1, wherein: the connecting pipe assembly (3) further comprises a plurality of inner shoulder bearing rotation stopping sheets (314), a plurality of floating raft inner rotation stopping sheets (343), a plurality of floating raft outer rotation stopping sheets (345) and a plurality of compression joint flange rotation stopping sheets (323);
the inner shoulder bearing rotation stopping plates (314) are uniformly distributed along the circumferential direction and fixed on the root parts of the end faces of the inner shoulder bearing (312) which are abutted against the inner clamping special-shaped ring (35); the plurality of floating raft inner rotation stopping sheets (343) are uniformly distributed along the circumferential direction and fixed at the root part of the inner ladder surface of the floating raft flange (34) which is abutted against the inner clamping special-shaped ring (35); the plurality of floating raft outer rotation stopping plates (345) are uniformly distributed along the circumferential direction and fixed at the root part of an outer ladder surface of the floating raft flange (34) which is abutted against the outer clamping special-shaped ring (33); the plurality of compression joint flange rotation stopping plates (323) are uniformly distributed along the circumferential direction and fixed at the root part of the inner concave surface of the outer clamping ring flange (32) which is abutted against the outer clamping special-shaped ring (33).
3. The marine floating raft vibration isolation bulkhead nipple of claim 1, wherein: two ends of the connecting pipe (31) are respectively provided with a pipe joint (311), and a plurality of frequency modulation shoulders (313) are axially arranged on the peripheral surface of the connecting 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 shock absorption layer (38); the pipe joint (311) is a threaded pipe joint or a flanged pipe joint.
4. The marine floating raft vibration isolation bulkhead nipple of claim 1, wherein: the crimping flange (2) is of an annular structure with a rectangular cross section, an inner ring on the upper side surface of the crimping flange is fixedly connected with the outer clamping ring flange (32), and an outer ring on the upper side surface of the crimping flange is fixedly connected with the connecting pipe body (1).
5. The marine floating raft vibration isolation bulkhead nipple of claim 4, wherein: a body sealing gasket (4) is further arranged between the connecting pipe body (1) and the crimping flange (2); an assembly sealing gasket (5) is further arranged between the compression joint flange (2) and the outer clamping ring flange (32).
6. The marine floating raft vibration isolation bulkhead nipple of claim 2, wherein: the number of the inner shoulder bearing rotation stopping sheets (314), the floating raft inner rotation stopping sheets (343), the floating raft outer rotation stopping sheets (345) and the pressure welding flange rotation stopping sheets (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111578000A CN111578000A (en) | 2020-08-25 |
| CN111578000B true CN111578000B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10350385A1 (en) * | 2003-10-28 | 2005-06-02 | Martin Reuter | Fireproof bulkhead for mounting in wall/ceiling opening, has clamping units positioned on one side of opening and tightly connected with support clamps, where clamping units tightly encompass tubes |
| CN201891977U (en) * | 2010-07-12 | 2011-07-06 | 戴正欣 | Pipe-wall sound insulation device |
| GB201601820D0 (en) * | 2016-02-02 | 2016-03-16 | Rolls Royce Power Eng | An arrangement for adjoining a support structure to a pipe |
| CN109707914B (en) * | 2018-12-28 | 2021-09-07 | 无锡市华东减震器有限公司 | Cabin-penetrating pipe fitting vibration and noise reduction device |
| CN109854818B (en) * | 2019-01-16 | 2020-04-21 | 华中科技大学 | A sealed pipeline elastic penetration vibration isolation device |
| CN109695782B (en) * | 2019-01-16 | 2020-08-11 | 中国人民解放军海军工程大学 | A multi-stage elastic penetration vibration isolation device based on rubber vibration reduction |
| 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 flexible penetrating part suitable for ships |
-
2020
- 2020-06-12 CN CN202010534117.3A patent/CN111578000B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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