CN2090803U - Magnetic leakage stopper - Google Patents
Magnetic leakage stopper Download PDFInfo
- Publication number
- CN2090803U CN2090803U CN 90223741 CN90223741U CN2090803U CN 2090803 U CN2090803 U CN 2090803U CN 90223741 CN90223741 CN 90223741 CN 90223741 U CN90223741 U CN 90223741U CN 2090803 U CN2090803 U CN 2090803U
- Authority
- CN
- China
- Prior art keywords
- flange
- permanent magnet
- leak stopping
- lid
- adhesive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 33
- 230000001070 adhesive effect Effects 0.000 claims description 33
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 229920006351 engineering plastic Polymers 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000005415 magnetization Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Images
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- Gasket Seals (AREA)
Abstract
The utility model relates to an emergent plugging device of naval vessel casing leaking stoppage. The leakage stopping device consists of an attraction flange and a central cover body, wherein a strong permanent magnet is arranged on the flange, a sealing rubber pad is embedded on the flange, and the leakage stopping device is attracted to a leakage stopping part under the action of magnetic force. The leak stopper may be made into inner and outer double-layer structure, the inner layer has pressure reducing hole in the cover, the outer layer is one sealed sealing body, and the inner and outer layers and the leak stopper and the leak stopping part are magnetically attracted. The magnetic leakage stoppage device has the advantages of strong use reliability, convenient operation and simple structure, and can solve the problem of emergency leakage stoppage of most units of the ship shell.
Description
The utility model relates to a kind of emergency leakage blocking device of ship shell.
The emergency leakage blocking of drinking water partial shell that the emergency leakage blocking of large ship housing is called as second life, particularly naval vessel on naval vessel never has desirable solution.With stopper or strut member shutoff is an ancient method, and people are still using so far, and this method leak stopping operation is very difficult.With high speed cement or bonding method shutoff, because just intensity is low, be difficult to overcome the static pressure of water outside the hole and the influence of dynamic pressure, the shutoff success ratio is low.A kind of umbrella shape steel plate leak stopping device that is used to stretch out the special construction outside the hole, complex structure, the little and operating difficulties of applicable surface.Make this characteristics according to most of hull by steel plate, disclosed a kind of magnetic plugging device in Chinese patent 38213776, adopt magnetic rubber class bonded magnet at device for plugging and ship shell junction, because the magnetic force of bonded magnet is much smaller than the magnetic force of similar permanent magnet, this magnetic plugging device can only be used for the interior shutoff under small scale leak and the low hydraulic condition, the perhaps outer shutoff of shell, practicality is lower.
The purpose of this utility model provides a kind of shutoff power practical and effective magnetic plugging device more by force for the emergency leakage blocking of ship shell.
The utility model discloses the design plan of three types of leak stopping devices, is respectively the magnetic plugging device of single lid type, compound lid type and band valve.
Single lid type magnetic plugging device is by the adhesive flange and send body to form, and flange and lid are tightly connected, and its principal character is that edge pastes rubber gasket on the adhesive face of flange, goes up around the flange and settles the strong permanent magnetic body.
The setting of strong permanent magnetic body on flange mainly contains following two kinds:
First kind of mode is external, permanent magnet placed non-adhesive face one side of flange.Described flange can be made with steel plate, and permanent magnet directly is pull-in on the flange and fixes in this case, and its magnetic can be magnetized flange, makes the adhesive face of flange still have bigger the suction-combining force.Also available aluminium alloy plate of described flange or hard engineering plastics plate are made, and permanent magnet is bonded on the flange or lays up during the leak stopping operation, utilizes the magnetic bite of permanent magnet that the leak stopping device is pull-in on the desired area.For guaranteeing the suction-combining force of leak stopping device to the leak stopping position, satisfying under the strength of flange condition, the thickness of flange and permanent magnet end face contact portion is less than 4mm, the thickness 1-2mm of rubber cushion.
The lid of leak stopping device can be made a flat cover shape or dished cover shape integral structure body with flange in this manner, perhaps cap portion is made with the flexible water fabric, and the periphery and the flange seal of fabric are fixed.
This leak stopping device can be used as a kind of emergency leakage blocking device of low-intensity small portable, particularly, have certain epistasis, can allow certain deformation because flange section is thinner, can fit with leak stopping position arcwall face, the middle part boss can hold edge, hole fitfull flange.
The second way is built-in, and permanent magnet is placed adhesive face one side of flange, and an end of permanent magnet is connected with flange, and the end face of the other end is lower than the outer face of packing seal slightly.
Under the second way, flange also has following several concrete modes with being connected of permanent magnet:
First flange steel plate is made, and the end of permanent magnet contacts by magnetic attracting with flange and fixes;
It two is to have this fixed orifice forever on the flange, and the fixed end of permanent magnet is adhesively fixed in this hole;
It three is to offer the permanent magnet fixed orifice on the flange, and the fixed end of permanent magnet is connected by tapering with this hole.
In above-mentioned back two kinds of design plans, described flange is except that making with steel, also available aluminum alloy, engineering plastics are made, lid and flange are made a rigid construction body, can make the flat cover shape, also the middle part of lid can be made the non-adhesive face outer gibbosity to flange, the leak stopping device can be used for the uneven leak shutoff of hole edge flange like this.The equally also available flexible water fabric of lid is made.
Under the built-in mode of this permanent magnet,,, be applicable to the emergency leakage blocking of medium tenacity so the suction-combining force of leak stopping device is stronger because the direct adhesive of steel plate at permanent magnet and leak stopping position only leaves less air gap.
Consider that the emergency leakage blocking operation usually occurs under the very huge condition of leak water column impulse force, for making the magnetic plugging device under harsh environment, still have good operability, for the another kind of version of same inventive concept the utility model is compound type leak stopping device, this Plugging device has occluding body in a hermetically sealed outer occluding body and one deck, inside and outside occluding body is formed by central lid and adhesive flange, the flange of two occluding body has corresponding to profile, have vent on the interior occluding body lid, leak stopping adhesive face one side of its flange is settled the strong permanent magnetic of effective quantity, and edge subsides rubber gasket, sealing pad outer face is a little more than the outer face of permanent magnet.The flange steel plate of outer occluding body is made.Also be provided with rubber gasket between two flanges.
Permanent magnet on the interior occluding body flange can be fixed in the hole of offering on the flange fixing, adopts bonding or taper fitting, and another kind of scheme is that the flange steel plate is made, and an end of permanent magnet is pull-in on the flange fixing by magnetic force.
The lid of interior occluding body can add the movable valve plate of a control vent area, and its concrete structure can be plug-type or rotary type, controls the payload space of vent by relative position logical on through hole and the lid on the change valve plate.
Whole leak stopping device can be made into flat cover shape or dished cover shape, and is square or circular.The manufacturing materials of leak stopping device except that appointed part, can be selected steel plate for use, aluminum alloy or engineering plastics.The also available flexible water fabric of the lid of outer occluding body is made.
The magnetic plugging device places the leak stopping position with interior occluding body earlier in use like this, owing to have vent on the lid of interior occluding body, can effectively reduce the shutoff difficulty, and then multiple outer occluding body.Between the inside and outside occluding body and all fix between leak stopping device and shutoff position steel plate, and lean on rubber cushion to seal by the strong magnetic force adhesive of permanent magnet on the flange.Be provided with the removable or rotational valve plate in back, interior occluding body location of movable valve plate, reduce the limber hole area significantly, for better condition is created in the shutoff operation of outer occluding body.
Another the concrete technical scheme that belongs to the invention is that described emergency leakage blocking device is made up of a valve and adhesive flange, described adhesive flange is connected with the water-in flange of valve, settle the strong permanent magnetic body on the adhesive flange, edge pastes rubber gasket on the adhesive face of this flange.
Described valve can be selected the heavy caliber shutoff valve for use, and wherein a kind of of valve or flapper valve talks endlessly.
Adopt conventional the connection between the water-in flange of adhesive flange and valve, add packing seal between two flanges, use should be selected the resistant to corrosion valve for use in seawater.The valve operating handle should be away from the water-in flange plane, for example the operating handle axis on the intake antrum axis, or operating handle axis inclined type.
The technical program particularly suitable leak bore is bigger, the shutoff occasion that water column pressure is higher, and shutoff is handled very difficultly under this condition, and this leak stopping device can overcome this difficulty.Make valve be in opening during use earlier, with the sucker of leak stopping device after the adhesive of shutoff position is fixing, again with valve closing.
Reliability of the present utility model obtains proof from following analysis.
One to be in 6m dark, and diameter is the leak of 15cm, the about 1000N of the static pressure of water.The about 20MGOe of (BH) max of strong permanent magnet material Sm-Co, (BH) max of Nd-Fe-B is about 30MGOe, and suitable respectively permanent-magnet material can pick up 200 times or 300 times of own wt.This numerical value is practical value, far below theoretical value.If get the Nd-Fe-B permanent magnet of 1Kg, can produce the suction-combining force of about 3000N.6 diameters are about 0.85cm, and height can produce this suction for this permanent magnet of 1cm.This design-calculated safety factor is 3, does not consider the dynamic pressure of water and the air gap of permanent magnet adhesive face in calculating.Performance according to permanent magnet can be designed suitable different head pressures, the safe and reliable magnetic plugging device of dynamic pressure and leak area condition with volume.
Except that the invention effect that aforementioned several technical schemes have been set forth, common invention effect of the present utility model is to use unfailing performance, and leak stopping is easy to operate, and is simple in structure, can solve the emergency leakage blocking at the most position of ship shell.
With regard to drawings and Examples the utility model is described specifically below.
Fig. 1-the 3rd, three example structure sketches of the utility model list lid type technical scheme.
Fig. 4 is the local structure figure that adopts taper fitting between permanent magnet and flange.
Fig. 5 is a kind of basic structure of compound type leak stopping device.
Fig. 6 and Fig. 7 are two interior occluding body structural representations that have movable valve plate.
Fig. 8 is the leak stopping device structural representation of band valve.
Fig. 1 is an embodiment of flat cover shape leak stopping device, flange (1) and lid (2) are for to be stamped to form with steel plate integral body, permanent magnet (3) is pull-in on the flange (1), and the outer face of seal gasket (4) also is provided with handle (5) a little more than the end face of permanent magnet (3) on the lid (2).
Fig. 2 is an embodiment of dished cover shape leak stopping device, and the lid of evagination (6) is made with aluminum alloy or engineering plastics with flange (1), and bonding is fixing in the hole of an end plug of permanent magnetism (3) on flange (1).Lid (6) inner space can hold the irregular flanging of leak, as shown in phantom in FIG..
Fig. 3 is external permanent magnet leak stopping device embodiment, paste the thin rubber cushion (4) of one deck on the adhesive face of thin type flange (1), lid (7) is made with waterproof canvas, periphery and flange (1) sealing and fixing, handle (5) can be located on the flange (1), permanent magnet (3) can just be set up when leak stopping, by the magnetic force penetration, flange (1) is adjacent on the steel plate at leak stopping position.
Fig. 4 shows a kind of scheme of permanent magnet and flange taper fitting, and hole on the flange (1) and permanent magnet (3) are made same tapering, during use permanent magnet (3) is filled in from the taper hole in flange (1) outside.Distance between permanent magnet (3) adhesive end and packing seal (4) outer end must be controlled, to guarantee adhesive intensity and leak tightness.Adopt above-mentioned two schemes both to be convenient to the preservation of permanent magnet, also can increase and decrease the arrangement quantity of permanent magnet on flange during use as required.
Fig. 5 is a kind of basic structure of compound type leak stopping device, the interior occluding body of being made up of flange (8), lid (9), permanent magnet (3) and seal gasket (4) (11) has similar structure to single lid shape leak stopping device shown in Figure 2, and difference is to offer a plurality of vents (10) on the lid (9).Outer occluding body (12) and interior occluding body (11) configuration design must guarantee not influence compound between them.Also edge pastes seal gasket (14) between interior outward flange (8), (13).
Occluding body (11) is a square box among Fig. 6, movable valve plate (15) frame on its lid is held in the valve plate framework (16), offer on the valve plate (15) and the cooresponding control punch of lid vent (10) or hole scarce (17), advance valve plate (15) can reduce the payload space of vent (10) significantly.(3) be permanent magnet.
Occluding body (11) is a round among Fig. 7, and valve plate (15) can rotate in valve plate framework (16), subtracts effective decompression area in hole (10) with adjusting, and the projection (18) on the valve plate (15) provides supporting for the rotating operation of pressure-bearing lower valve plate (15).(3) be permanent magnet.
Valve among Fig. 8 (19) is a kind of flapper valve, and conductance ability height can allow the flow of per second tens to several hectolitres.Valve water-in flange (20) is connected with adhesive flange (1), and the magnetic force that utilizes flange (1) to go up the strong permanent magnetic body of settling is fixed on the shutoff position whole device.(21) be the valve opening and closing operating handle, (22) are water outlets.
Claims (17)
1, a kind of ship shell emergency leakage blocking device, be made up of adhesive flange and lid, flange and lid are tightly connected, and become a lid shape occluding body, it is characterized in that edge pastes rubber gasket on the adhesive end face of described flange, settle effective quantity strong permanent magnetic body on the border of flange.
2, by the described leak stopping device of claim 1, it is characterized in that described permanent magnet places non-adhesive face one side of flange, flange steel plate, aluminium alloy plate or hard engineering plastics plate a kind of material are wherein made, the thickness of flange and permanent magnet end face contact site is less than 4mm, and flange gluing mat thickness is less than 2mm.
3, by the described leak stopping device of claim 1, it is characterized in that described permanent magnet is placed in adhesive face one side of flange, an end of permanent magnet is connected with flange, and the end face of the other end is lower than the outer face of packing seal.
4, by the described leak stopping device of claim 3, it is characterized in that described flange steel plate makes, fix by magnetic attracting between flange and permanent magnet.
5, by the described leak stopping device of claim 3, it is characterized in that offering on the described flange permanent magnet fixed orifice of effective quantity, an end of permanent magnet places this Kong Zhongyu flange captive joint.
6,, it is characterized in that being connected to of fixed orifice on described permanent magnet and the flange bonds or taper fitting is connected by the described leak stopping device of claim 5.
7,, it is characterized in that described flange is steel, aluminum alloy or hard engineering plastics by the described leak stopping device of claim 5.
8, by claim 1,2,3 or 7 described leak stopping devices, it is characterized in that lid and flange are a rigid unitary lid-like spare.
9,, it is characterized in that described lid makes with the flexible water fabric by claim 1,2,3 or 7 described leak stopping devices.
10, a kind of ship shell emergency leakage blocking device, it is characterized in that described leak stopping device is made up of inside and outside two layers of occluding body, two occluding body all are made up of central lid and adhesive flange, the flange of two occluding body has corresponding to profile, have vent on the lid of interior occluding body, its flange leak stopping adhesive face one side is settled the strong permanent magnetic body of effective quantity, and edge pastes rubber gasket, the outer face of sealing pad exceeds the outer face of permanent magnet, the flange steel plate of outer occluding body is made, this flange and lid also are provided with rubber gasket for to cover the hermetically sealed body of shape between two flanges.
11, by the described leak stopping device of claim 10, it is characterized in that described in occluding body flange steel plate make, permanent magnet one end is pull-in on this flange by magnetic force, the magnetization of the inner flange steel plate of the flange of inside and outside occluding body and the adhesive of permanent magnet magnetic penetration.
12, by the described leak stopping device of claim 10, it is characterized in that offering effective quantity permanent magnet fixed orifice on the flange of occluding body in described, permanent magnet one end is in this fixed orifice, this flange steel, aluminum alloy or hard engineering plastics are made, and inside and outside occluding body flange is directly fixed by the permanent magnet magnetic force adhesive.
13,, it is characterized in that on the lid of interior occluding body, also being provided with the movable valve plate of control vent area by claim 10,11 or 12 described leak stopping devices.
14, by the described leak stopping device of claim 10, it is characterized in that the lid of described outer occluding body and flange are the integral structure components that steel plate is stamped to form.
15, by the described leak stopping device of claim 10, it is characterized in that the lid of described outer occluding body is made with the flexible water fabric.
16, a kind of ship shell emergency leakage blocking device, it is characterized in that described leak stopping device is made up of adhesive flange and valve, the adhesive flange is captiveed joint with the intake antrum flange seal of valve, settle effective quantity strong permanent magnetic body on the adhesive face of adhesive flange, and edge pastes rubber gasket.
17,, it is characterized in that described valve is the heavy caliber shutoff valve, wherein a kind of of butterfly valve or flapper valve by the described leak stopping device of claim 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90223741 CN2090803U (en) | 1990-11-20 | 1990-11-20 | Magnetic leakage stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90223741 CN2090803U (en) | 1990-11-20 | 1990-11-20 | Magnetic leakage stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2090803U true CN2090803U (en) | 1991-12-18 |
Family
ID=4901439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90223741 Withdrawn CN2090803U (en) | 1990-11-20 | 1990-11-20 | Magnetic leakage stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2090803U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100352732C (en) * | 2005-09-25 | 2007-12-05 | 陈国英 | Magnetic blocking cushion |
| CN100375857C (en) * | 2003-07-29 | 2008-03-19 | 朱志强 | Strong magnetic blocking device and its blocking method |
| CN101798011A (en) * | 2010-02-11 | 2010-08-11 | 天津神封科技发展有限公司 | Leak stopping device combining rubber and strong ferromagnetic materials |
| CN102001417A (en) * | 2010-11-16 | 2011-04-06 | 浙江欧华造船有限公司 | Magnetic folding protecting cover |
| CN102060151A (en) * | 2010-11-24 | 2011-05-18 | 太原理工大学 | Risk source leakage self-adaption universal ferromagnetic plugging device and fast plugging method thereof |
| CN102963637A (en) * | 2012-11-28 | 2013-03-13 | 天津市江达扬升工程技术有限公司 | Magnetic type pressure seal device |
| CN104960643A (en) * | 2015-07-15 | 2015-10-07 | 中国人民解放军总后勤部军事交通运输研究所 | Combined-type soft-edge leakage stopping plate |
| CN106143830A (en) * | 2015-04-20 | 2016-11-23 | 张繁荣 | A kind of leak stoppage device used outside naval vessels string |
| CN106184645A (en) * | 2016-08-27 | 2016-12-07 | 中船澄西船舶修造有限公司 | Floor leak stopping frock |
| CN106335600A (en) * | 2016-08-27 | 2017-01-18 | 中船澄西船舶修造有限公司 | Ship bottom plate leakage plugging method |
-
1990
- 1990-11-20 CN CN 90223741 patent/CN2090803U/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100375857C (en) * | 2003-07-29 | 2008-03-19 | 朱志强 | Strong magnetic blocking device and its blocking method |
| CN100352732C (en) * | 2005-09-25 | 2007-12-05 | 陈国英 | Magnetic blocking cushion |
| CN101798011A (en) * | 2010-02-11 | 2010-08-11 | 天津神封科技发展有限公司 | Leak stopping device combining rubber and strong ferromagnetic materials |
| CN102001417A (en) * | 2010-11-16 | 2011-04-06 | 浙江欧华造船有限公司 | Magnetic folding protecting cover |
| CN102060151A (en) * | 2010-11-24 | 2011-05-18 | 太原理工大学 | Risk source leakage self-adaption universal ferromagnetic plugging device and fast plugging method thereof |
| CN102963637B (en) * | 2012-11-28 | 2015-01-14 | 天津市江达扬升工程技术有限公司 | Magnetic type pressure seal device |
| CN102963637A (en) * | 2012-11-28 | 2013-03-13 | 天津市江达扬升工程技术有限公司 | Magnetic type pressure seal device |
| CN106143830A (en) * | 2015-04-20 | 2016-11-23 | 张繁荣 | A kind of leak stoppage device used outside naval vessels string |
| CN106143830B (en) * | 2015-04-20 | 2018-07-06 | 张繁荣 | A kind of leak stoppage device used outside naval vessels string |
| CN104960643A (en) * | 2015-07-15 | 2015-10-07 | 中国人民解放军总后勤部军事交通运输研究所 | Combined-type soft-edge leakage stopping plate |
| CN104960643B (en) * | 2015-07-15 | 2017-08-04 | 中国人民解放军总后勤部军事交通运输研究所 | Combined type soft-sided plugging plate |
| CN106184645A (en) * | 2016-08-27 | 2016-12-07 | 中船澄西船舶修造有限公司 | Floor leak stopping frock |
| CN106335600A (en) * | 2016-08-27 | 2017-01-18 | 中船澄西船舶修造有限公司 | Ship bottom plate leakage plugging method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |