CN212430012U - Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe - Google Patents
Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe Download PDFInfo
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- CN212430012U CN212430012U CN202021089620.4U CN202021089620U CN212430012U CN 212430012 U CN212430012 U CN 212430012U CN 202021089620 U CN202021089620 U CN 202021089620U CN 212430012 U CN212430012 U CN 212430012U
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Abstract
The utility model discloses a marine inner shell type single-stage vibration isolation leads to cabin takeover, including takeover body, takeover assembly and crimping flange, the takeover assembly passes the takeover body, the both ends of takeover assembly are fixed in on the takeover body through crimping flange. The utility model discloses a marine inner shell formula single-stage vibration isolation leads to cabin and takes over can alleviate the vibration of bulkhead to the influence of pipeline, also can alleviate the influence of pipeline vibration to the bulkhead simultaneously. The utility model discloses can alleviate vibration noise more than 4 ~ 7 decibels.
Description
Technical Field
The utility model relates to a marine inner shell type single-stage vibration isolation leads to cabin and takes over, in particular to marine inner shell type single-stage vibration isolation leads to cabin and takes over with watertight function belongs to boats and ships damping technical field.
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
An object of the utility model is to provide a can alleviate the intensity of vibration more than 4 ~ 7 decibels for the boats and ships pipeline, the marine inner shell formula single-stage vibration isolation leads to the cabin and takes over with the watertight function.
The purpose of the utility model is realized through the following technical scheme:
an inner sleeve type single-stage vibration isolation cabin connecting pipe for a ship 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 inner sleeve type single-stage vibration isolation cabin connecting pipe is characterized in that the connecting pipe assembly 3 comprises a connecting pipe 31, an outer clamping ring flange 32 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 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 mode, and two ends of the connecting pipe assembly 3 are axially fixed through the crimping flange 2.
Further preferably, the adapter assembly 3 further comprises a plurality of inner shoulder rotation-stopping pieces 314 and a plurality of outer snap flange rotation-stopping pieces 323.
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 plurality of outer clamping flange rotation stopping sheets 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 abutted with the inner clamping special-shaped ring 35.
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 rotation-stopping pieces 314 and the number of the outer snap flange rotation-stopping pieces 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 utility model discloses a marine inner shell formula single-stage vibration isolation leads to cabin and takes over can alleviate the vibration of bulkhead to the pipeline, also can alleviate the influence of pipeline vibration to the bulkhead simultaneously. The utility model discloses can alleviate vibration noise more than 4 ~ 7 decibels.
The utility model is not only used for ships, but also can be used for land and vehicles; 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 invention;
fig. 3 is a schematic structural diagram of a connecting pipe 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 diagram of a crimping flange according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken at C-C of FIG. 5;
fig. 7 is a schematic structural diagram of the connection pipe according to the embodiment of the present invention;
FIG. 8 is a cross-sectional view taken at B-B of FIG. 7;
fig. 9 is a schematic structural view 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 structural view of an inner clip special-shaped ring according to an embodiment of the present invention;
FIG. 12 is a cross-sectional view taken at M-M of FIG. 11;
figure 13 is a plan view of a body seal gasket in accordance with an embodiment of the present invention;
figure 14 is a plan view of an assembly seal gasket according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the ship bulkhead 9 comprises the inside of the ship body and the marine single-stage vibration isolation through cabin connection pipe of the utility model, the marine single-stage vibration isolation through cabin connection pipe of the internal sleeve type passes through the ship bulkhead 9, through the connection pipe body 1 is welded on the ship bulkhead 9.
The marine inner sleeve type single-stage 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 adapter assembly 3 comprises an adapter 31, two outer collar flanges 32, two inner collar profiled rings 35, a plurality of inner bearing shoulder rotation-stopping sheets 314 and a plurality of outer collar flange rotation-stopping sheets 323.
As shown in fig. 1 to 4, 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 5 to 12, two pipe joints 311 are respectively disposed 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 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 outer clip flange 32.
The outer collar flange 32 is a ring structure with a concave cross section, the root of the inner concave surface adjacent to the outer collar special-shaped ring 33 is uniformly provided with a plurality of fixed outer collar flange rotation-stopping sheets 323 along the circumference, and the end surface adjacent to the assembly sealing gasket 5 is uniformly provided with a plurality of assembly threaded holes 324 along the circumference;
the two inner clamping special-shaped rings 35 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 special-shaped snap ring 35 is arranged between the outer end face of the inner bearing shoulder 312 and the inner concave face of the outer snap flange 32, the inner bearing shoulder rotation stopping sheet 314 is embedded into the inner snap rotation stopping groove 35a, and the outer snap flange rotation stopping sheet 323 is embedded into the inner snap outer rotation stopping groove 35 b.
The adapter tube 31, the vibration absorbing layer 38, the two inner profiled snap rings 35, the inner shoulder rotation-stopping pieces 314, the outer flange rotation-stopping pieces 323, and the two outer collar flanges 32 are vulcanized into a whole.
As shown in fig. 1, 2, 13 and 14, the body sealing gasket 4 is a thin sheet with a ring-shaped structure, and is provided with a plurality of external 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 inner sleeve type single-stage 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 collar flange 32, the inner bearing shoulder rotation-stopping sheet 314 and the outer collar flange rotation-stopping sheet 323 are made of carbon steel or copper alloy or aluminum alloy or vibration-damping alloy; 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 and the assembly connecting bolt 3a are made of carbon steel or vibration-damping alloy.
As a preferred embodiment, the number of the body connecting bolts 1a of the present invention is greater than the number of the assembly connecting bolts 3 a.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (6)
1. An inner sleeve type single-stage vibration isolation cabin connecting pipe for a ship 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 inner sleeve type single-stage vibration isolation cabin connecting pipe is characterized in that,
the connecting pipe assembly (3) comprises a connecting pipe (31), an outer clamping ring flange (32) 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 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 inner shell type single-stage vibration isolation through-cabin connection pipe according to claim 1, wherein the connection pipe assembly (3) further comprises a plurality of inner shoulder-bearing rotation-stopping sheets (314) and a plurality of outer snap-flange rotation-stopping sheets (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 plurality of outer clamping flange rotation stopping sheets (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 inner clamping special-shaped ring (35).
3. The marine inner-sleeve type single-stage vibroisolating cabin connecting pipe according to claim 1, wherein, a pipe joint (311) is provided at each end of the connecting pipe (31), and a plurality of frequency modulation shoulders (313) are axially provided on the outer circumferential 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 vibration absorption layer (38); the pipe joint (311) is a threaded pipe joint or a flange pipe joint.
4. The marine inner-sleeved single-stage vibration isolation through-cabin connection pipe according to claim 1, wherein the crimping flange (2) is an annular structure with a rectangular cross section, an inner ring at the upper side is fixedly connected with the outer clamping ring flange (32), and an outer ring at the upper side is fixedly connected with the connection pipe body (1).
5. The marine inner-sleeved single-stage vibration isolation through cabin connection pipe according to claim 4, wherein a body sealing gasket (4) is further arranged between the crimping flange (2) and the connection pipe body (1); an assembly sealing gasket (5) is further arranged between the crimping flange (2) and the outer clamping ring flange (32).
6. The marine inner shell type single-stage vibration isolation through cabin connection pipe according to claim 2, wherein the number of the inner bearing shoulder rotation stopping sheets (314) and the number of the outer clamping flange rotation stopping sheets (323) are at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089620.4U CN212430012U (en) | 2020-06-12 | 2020-06-12 | Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089620.4U CN212430012U (en) | 2020-06-12 | 2020-06-12 | Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe |
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| Publication Number | Publication Date |
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| CN212430012U true CN212430012U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021089620.4U Active CN212430012U (en) | 2020-06-12 | 2020-06-12 | Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577997A (en) * | 2020-06-12 | 2020-08-25 | 武汉麦康德设备有限公司 | Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe |
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- 2020-06-12 CN CN202021089620.4U patent/CN212430012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577997A (en) * | 2020-06-12 | 2020-08-25 | 武汉麦康德设备有限公司 | Marine inner sleeve type single-stage vibration isolation through cabin connecting pipe |
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