CN115158626A - Sealing device and method for ship bulkhead - Google Patents
Sealing device and method for ship bulkhead Download PDFInfo
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- CN115158626A CN115158626A CN202210758546.8A CN202210758546A CN115158626A CN 115158626 A CN115158626 A CN 115158626A CN 202210758546 A CN202210758546 A CN 202210758546A CN 115158626 A CN115158626 A CN 115158626A
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- ring
- sealing
- main shaft
- detection
- slide bar
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- 238000007789 sealing Methods 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims description 30
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 7
- 230000001105 regulatory effect Effects 0.000 claims 4
- 238000010030 laminating Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/321—Bearings or seals specially adapted for propeller shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a sealing device and a method for a naval vessel bulkhead in the technical field of naval vessel bulkhead sealing, and the sealing device comprises a main shaft, wherein two first fixing rings are in clearance fit on the outer surface of the main shaft, detection rings are arranged on the outer sides of the two first fixing rings, a detection mechanism used for enabling the detection rings to move inwards when the bulkhead is filled with water is connected to the inner side walls of the detection rings, the two detection rings are in clearance fit with the main shaft, and first retaining rings are fixedly connected to the outer surfaces of the two first fixing rings; according to the invention, when the ship bulkhead is sealed each time, the clearance fit of the first fixing ring, the detection ring and the main shaft is utilized, so that the influence on the rotation work of the main shaft is avoided, and when water enters one side of the bulkhead by matching the detection mechanism, the sealing plate and the sealing mechanism, the main shaft position on the water inlet side is timely sealed, so that the two bulkheads are isolated, the accumulated water is prevented from flowing into the other bulkhead from the surface of the main shaft, and the ship bulkhead sealing device is convenient and rapid.
Description
Technical Field
The invention relates to the technical field of ship bulkhead sealing, in particular to a sealing device and method for a ship bulkhead.
Background
The compartment sealing device is used for sealing the main propulsion shaft from water when the main propulsion shaft penetrates through the compartment wall. The spindle passes through the bulkhead seal and rotates at a prescribed operating speed. When cabin damage of arbitrary one side was intake, the lobe sealing device can play sealed effect automatically for intake is unlikely to spread to the next door cabin, strives for the time for taking each item emergency remedy measure, thereby guarantees the safety of ship to a certain extent.
In the sealing device for the ship bulkhead in the prior art, because water in other bulkheads needs to be prevented from flowing to another bulkhead through the main shaft at any time, the sealing element is generally required to be always in close contact with the surface of the main shaft, so that the main shaft and the bulkhead form sealed isolation, but when the main shaft rotates to work, friction is generated between the main shaft and the sealing element, the main shaft and the sealing element are both abraded, the sealing effect of the sealing device can be reduced, the main shaft can be damaged for a long time, the service life of the main shaft is shortened, and therefore the sealing device for the ship bulkhead is urgently needed, wherein the main shaft is not sealed under the condition that the bulkhead is not filled with water, and the bulkhead is timely sealed when the bulkhead is filled with water.
Based on the above, the invention designs a sealing device and method for a ship bulkhead, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a sealing device and a method for a ship bulkhead, and aims to solve the problems that the sealing device for the ship bulkhead in the prior art is provided in the prior art, water in other bulkheads is prevented from flowing to another bulkhead through a main shaft at any time, a sealing element is required to be always in close contact with the surface of a main shaft, so that the main shaft and the bulkhead are sealed and isolated, but the main shaft and the sealing element are abraded due to friction generated by the main shaft during rotation work, the sealing effect of the sealing device is reduced, the main shaft is damaged for a long time, the service life of the main shaft is shortened, and the ship bulkhead sealing device which does not seal the main shaft under the condition that the bulkhead is not flooded and seals the bulkhead in time is urgently needed.
In order to achieve the purpose, the invention provides the following technical scheme: a sealing device for a ship bulkhead comprises a main shaft, wherein two first fixing rings are in clearance fit on the outer surface of the main shaft, detection rings are arranged on the outer sides of the two first fixing rings, the inner side walls of the detection rings are connected with detection mechanisms used for enabling the detection rings to move inwards when the bulkhead enters water, the two detection rings are in clearance fit with the main shaft, first baffle rings are fixedly connected on the outer surfaces of the two first fixing rings, the detection rings are connected in the first baffle rings in a sliding mode, a plurality of arc-shaped sealing plates are arranged on the inner side walls of the two detection rings, the sealing plates are butted to form sealing rings and are attached to the outer surface of the main shaft, the sealing plates are located on the outer side of the main shaft, a sealing mechanism used for pressing the sealing plates downwards onto the outer surface of the main shaft when the detection rings move inwards is connected on the outer surface of each sealing plate, and the sealing mechanisms can drive the sealing plates to be separated from the main shaft to reset when the detection rings are reset;
the detection mechanism comprises a plurality of first slide bars, the first slide bars are fixedly connected to the inner side wall of the detection ring, the inner ends of the first slide bars penetrate through the first fixing ring and are in sliding connection with the first fixing ring, a first spring positioned between the detection ring and the first fixing ring is sleeved on the outer surface of each first slide bar, and the detection ring is pressed inwards to extrude the detection ring to move inwards when water enters one side of the bulkhead;
the sealing mechanism comprises two second slide bars, the two second slide bars are fixedly connected to the tops of the sealing plates, a plurality of first connecting plates are fixedly connected to the inner side walls of the detection rings, the top ends of the second slide bars penetrate through the first connecting plates and are in sliding connection with the first connecting plates, a second spring located between the sealing plates and the first connecting plates is sleeved on the outer surface of each second slide bar, a positioning mechanism used for positioning the second slide bar is arranged on the outer side of each second slide bar, the positioning mechanism is opened to separate from the second slide bar when the second slide bar moves inwards, and a reset mechanism used for synchronously driving the second slide bar to reset when the detection rings move outwards and reset is connected to the top ends of the second slide bars;
the positioning mechanism comprises a second connecting plate, the second connecting plate is fixedly connected to the inner side wall of the detection ring, a positioning rod is connected to the inner portion of the second connecting plate in a sliding mode, the outer end of the positioning rod penetrates through the second sliding rod and is connected with the second sliding rod in a sliding mode, a first adjusting plate is fixedly connected to the outer surface of the positioning rod, the bottom of the first adjusting plate is in contact with the top of the first connecting plate, a third spring located between the first adjusting plate and the second connecting plate is sleeved on the outer surface of the positioning rod, a first guide rod is fixedly connected to the top of the first adjusting plate, a first guide block is fixedly connected to the outer side wall of the first fixing ring, and the first guide block is used for pushing the first guide rod inwards to enable the positioning rod to be pulled out of the second sliding rod when the detection ring moves inwards;
the reset mechanism comprises a second adjusting plate, the second adjusting plate is fixedly connected to the top end of a second sliding rod, a second guide rod is fixedly connected to the outer side wall of the second adjusting plate, a second guide block is fixedly connected to the outer side wall of the first fixing ring, and the second guide block is used for jacking the second guide rod when the detection ring moves outwards to reset;
two extrusion rings are arranged between the two first fixing rings and are in clearance fit with the main shaft, a plurality of first slide bars on the left side penetrate through the left extrusion ring and are fixedly connected with the extrusion ring on the right side, a plurality of first slide bars on the right side penetrate through the extrusion ring on the right side and are fixedly connected with the extrusion ring on the left side, absorbent cotton is fixedly connected between the two extrusion rings and is in contact with the outer surface of the main shaft, a sealing ring is fixedly connected between the two first fixing rings, the sealing ring surrounds the two extrusion rings, a one-way valve is fixedly connected inside the two first fixing rings and is positioned on the inner side of the sealing ring and used for discharging water flow between the two first fixing rings outwards;
the outer ends of the two first baffle rings are fixedly connected with a protective net, and the protective net is sleeved on the main shaft and is in clearance fit with the main shaft;
a sealing method for a ship bulkhead comprises the following specific steps:
the method comprises the following steps: fixedly installing two first fixing rings between the compartments, and then penetrating the main shaft through the first fixing rings and the detection ring;
step two: when water enters one side of the bulkhead, rapidly distributing collected water to fill the one side of the bulkhead, rapidly submerging the detection ring by the accumulated water, extruding the detection ring, moving the detection ring to the first fixing ring, and compressing the detection mechanism;
step three: the detection ring drives the plurality of arc-shaped sealing plates to synchronously move, the sealing mechanism opens the positioning of the sealing plates and tightly presses and attaches the plurality of sealing plates on the outer surface of the main shaft, so that the plurality of sealing plates are mutually butted to form a sealing ring, and a gap between the detection ring and the main shaft is sealed;
step four: when accumulated water in the compartment is discharged, the pressure of the water pressure on the detection ring is reduced until the pressure disappears, and the detection ring moves to one side far away from the first fixing plate to reset under the action of the detection mechanism;
step five: when the sealing plate is reset, the sealing mechanism pulls the sealing plate outwards again to enable the sealing plates to be separated from the contact with the main shaft, and primary compartment sealing is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the ship bulkhead is sealed each time, the clearance fit of the first fixing ring, the detection ring and the main shaft is utilized, so that the influence on the rotation work of the main shaft is avoided, and when water enters from one side of the bulkhead by matching with the detection mechanism, the sealing plate and the sealing mechanism, the main shaft position at the water inlet side is timely sealed, so that two bulkheads are isolated, accumulated water is prevented from flowing into the other bulkhead from the surface of the main shaft, and the ship bulkhead sealing device is convenient and rapid.
2. When the detection ring moves inwards, the sealing plates are driven to synchronously move inwards through the first connecting plates and the second sliding rods, the first guide rods are driven to move inwards through the first adjusting plates, the first guide rods move inwards under the action of the first guide blocks, the first adjusting plates and the positioning rods are driven to move inwards, the second springs are compressed, the positioning rods are pulled out of the second sliding rods and are separated from the positioning of the second sliding rods, when the positioning rods pull out of the second sliding rods, the first springs extrude the sealing plates, the inner surfaces of the sealing plates are tightly leaned against the outer surface of the main shaft, the sealing plates are mutually butted to form sealing rings, gaps between the detection ring and the main shaft are sealed, and therefore two sides of a compartment where water enters are timely sealed.
Drawings
FIG. 1 is a flow chart of the sealing method of the present invention;
FIG. 2 is a first perspective view of the overall construction of the present invention;
FIG. 3 is a second perspective cross-sectional view of the general construction of the present invention;
FIG. 4 is a view of the present invention from the end of the spindle;
fig. 5 is a third perspective view of the general structure of the present invention (hiding the first baffle ring and the protection net on the left side);
FIG. 6 is an enlarged view of the structure at A in FIG. 5;
FIG. 7 is a schematic view showing the connection relationship of the detecting plate, the first fixing plate and the pressing plate according to the present invention;
FIG. 8 is a schematic view of the structure of the detection plate, the sealing plate and the sealing mechanism of the present invention;
fig. 9 is an enlarged view of the structure at B in fig. 8.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a main shaft 1, a first fixing ring 2, a detection ring 3, a first blocking ring 4, a sealing plate 5, a first sliding rod 6, a first spring 7, a second sliding rod 8, a first connecting plate 9, a second spring 10, a second connecting plate 11, a positioning rod 12, a first adjusting plate 13, a third spring 14, a first guide rod 15, a first guide block 16, a second adjusting plate 17, a second guide rod 18, a second guide block 19, a squeezing ring 20, absorbent cotton 21, a sealing ring 22, a one-way valve 23 and a protective net 24.
Detailed Description
Referring to fig. 1-9, the present invention provides a technical solution: a sealing device for a ship bulkhead comprises a main shaft 1, two first fixing rings 2 are in clearance fit on the outer surface of the main shaft 1, detection rings 3 are arranged on the outer sides of the two first fixing rings 2, a detection mechanism used for enabling the detection rings 3 to move inwards when water enters the bulkhead is connected to the inner side walls of the detection rings 3, the two detection rings 3 are in clearance fit with the main shaft 1, first baffle rings 4 are fixedly connected to the outer surfaces of the two first fixing rings 2, the detection rings 3 are connected into the first baffle rings 4 in a sliding mode, a plurality of arc-shaped sealing plates 5 are arranged on the inner side walls of the two detection rings 3, a sealing ring 22 is formed after the sealing plates 5 are in butt joint and is attached to the outer surface of the main shaft 1, the sealing plates 5 are located on the outer side of the main shaft 1, a sealing mechanism used for pressing the sealing plates 5 downwards onto the outer surface of the main shaft 1 when the detection rings 3 move inwards is connected to the outer surface of each sealing plate 5, and the sealing mechanism can drive the sealing plates 5 to be separated from the main shaft 1 to reset when the detection rings 3 are reset;
when the device works, two first fixing rings 2 are fixedly arranged between bays, then a main shaft 1 penetrates through the first fixing rings 2 and a detection ring 3, the main shaft 1 is positioned in a plurality of bays at the bottom of a naval vessel to carry out rotary work, the first fixing rings 2 and the detection ring 3 are in clearance fit with the main shaft 1, namely, the inner side walls of the first fixing rings 2 and the detection ring 3 are not in contact with the outer surface of the main shaft 1, so that unnecessary abrasion caused by long-time contact with the main shaft 1 when the main shaft 1 rotates is avoided, when water enters from one side of the bays, one side of the bays is quickly filled with collected water, the detection ring 3 is quickly submerged by the accumulated water to extrude the detection ring 3, the detection ring 3 moves towards the first fixing rings 2, the detection ring 3 drives a plurality of arc-shaped sealing plates 5 to synchronously move, a sealing mechanism opens the positioning of the sealing plates 5 and tightly presses and attaches the plurality of sealing plates 5 to the outer surface of the main shaft 1, the sealing plates 5 are mutually butted to form a sealing ring, the gap between the detection ring 3 and the main shaft 1 is timely sealed, so that when water is accumulated on one side of a compartment, the position of the main shaft 1 is timely sealed, the accumulated water is prevented from flowing into other compartments from the outer surface of the main shaft 1, when the accumulated water in the compartments is discharged, the pressure of the water pressure on the detection ring 3 is reduced until the pressure disappears, the detection ring 3 moves to one side away from the first fixing plate under the action of the detection mechanism to reset, and similarly, the plurality of sealing plates 5 are driven to reset, the sealing mechanism pulls the sealing plates 5 outwards again when the sealing plates 5 reset, so that the plurality of sealing plates 5 are separated from the contact with the main shaft 1, the follow-up main shaft 1 can conveniently work again, and therefore, when the ship compartment is sealed at each time, the first fixing ring 2 and the detection ring 3 are in clearance fit with the main shaft 1, avoid influencing the rotation work of main shaft 1 to when cooperation detection mechanism, closing plate 5 and sealing mechanism intake on lobe one side, in time seal the main shaft 1 position of one side of intaking, make two lobes keep apart, avoid ponding to flow to another lobe in from main shaft 1 surface, convenient and fast.
As a further scheme of the invention, the detection mechanism comprises a plurality of first slide bars 6, the first slide bars 6 are fixedly connected to the inner side wall of the detection ring 3, the inner ends of the first slide bars 6 penetrate through the first fixing ring 2 and are in sliding connection with the first fixing ring, a first spring 7 positioned between the detection ring 3 and the first fixing ring 2 is sleeved on the outer surface of each first slide bar 6, and the detection ring 3 is pressed inwards by water pressure to move inwards when water enters from one side of the bulkhead; the during operation, because the state of keeping away from first fixed plate that needs keep detecting ring 3 constantly, and keep constantly can detecting intaking, through when catchmenting entering compartment, catchment and submerge detecting ring 3 rapidly, water pressure detects ring 3 to the extrusion, compresses first spring 7, makes and detects ring 3 and the synchronous inward movement of first slide bar 6, convenient and fast keeps detecting ring 3 performance to ponding constantly, be favorable to in time detecting the compartment and get into ponding and react rapidly.
As a further scheme of the invention, the sealing mechanism comprises two second slide bars 8, the two second slide bars 8 are both fixedly connected to the top of the sealing plate 5, the inner side wall of the detection ring 3 is fixedly connected with a plurality of first connecting plates 9, the top ends of the second slide bars 8 penetrate through the first connecting plates 9 and are in sliding connection with the first connecting plates, a second spring 10 positioned between the sealing plate 5 and the first connecting plates 9 is sleeved on the outer surface of each second slide bar 8, a positioning mechanism used for positioning the second slide bars 8 is arranged on the outer side of each second slide bar 8, the positioning mechanism is opened to separate from the second slide bars 8 when the second slide bars 8 move inwards, and the top ends of the second slide bars 8 are connected with a reset mechanism used for synchronously driving the second slide bars 8 to reset when the detection ring 3 moves outwards to reset;
as a further scheme of the present invention, the positioning mechanism includes a second connecting plate 11, the second connecting plate 11 is fixedly connected to the inner side wall of the detecting ring 3, a positioning rod 12 is slidably connected inside the second connecting plate 11, the outer end of the positioning rod 12 penetrates through and is slidably connected to the second slide bar 8, a first adjusting plate 13 is fixedly connected to the outer surface of the positioning rod 12, the bottom of the first adjusting plate 13 is in contact with the top of the first connecting plate 9, a third spring 14 positioned between the first adjusting plate 13 and the second connecting plate 11 is sleeved on the outer surface of the positioning rod 12, a first guide rod 15 is fixedly connected to the top of the first adjusting plate 13, a first guide block 16 is fixedly connected to the outer side wall of the first fixing ring 2, and the first guide block 16 is used for pushing the first guide rod 15 inwards to pull the positioning rod 12 out of the second slide bar 8 when the detecting ring 3 moves inwards;
when the detecting ring 3 moves inwards, the sealing plates 5 need to move towards the spindle 1 rapidly to seal a gap between the detecting ring 3 and the spindle 1, when the detecting ring 3 moves inwards, the sealing plates 5 are driven to move inwards synchronously through the first connecting plates 9 and the second sliding rods 8, the first adjusting plate 13 drives the first guide rod 15 to move inwards, the first guide rod 15 moves inwards under the action of the first guide block 16 to drive the first adjusting plate 13 and the positioning rod 12 to move inwards, the second spring 10 is compressed to enable the positioning rod 12 to pull out the second sliding rod 8 to separate from the positioning of the second sliding rod 8, when the positioning rod 12 pulls out the second sliding rod 8, the first spring 7 presses the sealing plates 5 towards the inner surface of the sealing plates 5 to enable the inner surfaces of the sealing plates 5 to lean against the outer surface of the spindle 1, the sealing plates 5 are mutually butted to form a sealing ring, the gap between the detecting ring 3 and the spindle 1 is sealed, and accordingly two sides of accumulated water are sealed timely.
As a further scheme of the present invention, the reset mechanism includes a second adjusting plate 17, the second adjusting plate 17 is fixedly connected to the top end of the second sliding rod 8, a second guiding rod 18 is fixedly connected to the outer side wall of the second adjusting plate 17, a second guiding block 19 is fixedly connected to the outer side wall of the first fixing ring 2, and the second guiding block 19 is used for jacking up the second guiding rod 18 when the detecting ring 3 moves outwards for resetting; when the spindle device works, after accumulated water in the compartment is discharged, the sealing plate 5 needs to be reset, the sealing plate 5 is prevented from being separated from the spindle 1 when no accumulated water exists in the compartment, when the accumulated water in the compartment is discharged, the detection ring 3 is moved outwards under the action of the first spring 7 to drive the positioning mechanism, the second slide bar 8 is moved outwards, the second slide bar 8 drives the second guide bar 18 to move outwards through the second adjusting plate 17, the second guide bar 18 moves upwards under the action of the second guide block 19, the second slide bar 8 is driven to move upwards through the second adjusting plate 17, the sealing plate 5 is enabled to move upwards to be separated from the outer surface of the spindle 1, when the second slide bar 8 is reset, the positioning bar 12 is inserted into the second slide bar 8 again under the action of the third spring 14 to position the second slide bar 8, the state that the sealing plate 5 is separated from the spindle 1 for a long time is maintained, the contact with the sealing plate 5 when the spindle 1 works is avoided, and abrasion to the spindle 1 is avoided.
As a further scheme of the invention, two extrusion rings 20 are arranged between two first fixing rings 2, the two extrusion rings 20 are in clearance fit with a main shaft 1, a plurality of first slide bars 6 on the left side penetrate through the left extrusion ring 20 and are fixedly connected with the right extrusion ring 20, a plurality of first slide bars 6 on the right side penetrate through the right extrusion ring 20 and are fixedly connected with the left extrusion ring 20, absorbent cotton 21 is fixedly connected between the two extrusion rings 20, the absorbent cotton 21 is in contact with the outer surface of the main shaft 1, a sealing ring 22 is fixedly connected between the two first fixing rings 2 together, the sealing ring 22 surrounds the two extrusion rings 20, check valves 23 are fixedly connected inside the two first fixing rings 2, and the check valves 23 are positioned on the inner sides of the sealing rings 22 and are used for discharging water flow between the two first fixing rings 2 outwards; during operation, as part of accumulated water may pass through the detection ring 3, a gap between the first fixing ring 2 and the main shaft 1 enters another compartment, two extrusion rings 20 are arranged between the two first fixing rings 2, when one side of the accumulated water enters the detection ring 3 and the first slide bar 6 to extrude and move inwards, the first slide bar 6 drives the extrusion rings 20 fixedly connected with the first slide bar to move outwards synchronously, the extrusion on the absorbent cotton 21 is released, the accumulated water entering from the gap between the detection ring 3 and the first fixing ring 2 and the main shaft 1 is absorbed when the absorbent cotton 21 is opened, the passing accumulated water is prevented from entering the other compartment, when the accumulated water in the compartment is discharged, the detection ring 3 moves outwards to reset, the extrusion rings 20 are driven to reset by the first slide bar 6, the two extrusion rings 20 extrude the absorbent cotton 21, the accumulated water in the absorbent cotton 21 is extruded, the accumulated water falls between the fixing rings 22 and the two first fixing rings 2 and is finally discharged outwards from the check valve 23, and the phenomenon that a small amount of accumulated water enters the other compartment through the first fixing rings 3 and the other compartment is avoided.
As a further scheme of the present invention, the outer ends of the two first baffle rings 4 are both fixedly connected with a protective net 24, and the protective net 24 is sleeved on the main shaft 1 and is in clearance fit with the main shaft 1; during operation, because detection ring 3 is stable through first spring 7, when the personnel placed the goods in to the lobe, easily mistake touched detection ring 3, including protection ring 3 protects through the protection network 24 at two first fender ring 4 outer ends fixed connection, avoided personnel to contact detection ring 3, and protection network 24 is clearance fit with main shaft 1 equally, avoids producing the friction with main shaft 1.
A sealing method for a ship bulkhead comprises the following specific steps:
the method comprises the following steps: fixedly installing two first fixing rings 2 between compartments, and then, penetrating a main shaft 1 through the first fixing rings 2 and a detection ring 3;
step two: when water enters one side of the bulkhead, the bulkhead is quickly filled with collected water, the detection ring 3 is quickly submerged by the collected water, the detection ring 3 is extruded, the detection ring 3 moves towards the first fixing ring 2, and the detection mechanism is compressed;
step three: the detection ring 3 drives the plurality of arc-shaped sealing plates 5 to synchronously move, the sealing mechanism opens the positioning of the sealing plates 5 and presses and attaches the plurality of sealing plates 5 to the outer surface of the main shaft 1, so that the plurality of sealing plates 5 are mutually butted to form a sealing ring, and a gap between the detection ring 3 and the main shaft 1 is sealed;
step four: when accumulated water in the compartment is discharged, the pressure of the water pressure on the detection ring 3 is reduced until the pressure disappears, and the detection ring 3 moves to one side far away from the first fixing plate to reset under the action of the detection mechanism;
step five: when the sealing plate 5 is reset, the sealing mechanism pulls the sealing plate 5 outwards again, so that the sealing plates 5 are separated from the contact with the main shaft 1, and primary compartment sealing is completed.
Claims (8)
1. A sealing device for a ship bulkhead comprises a main shaft (1) and is characterized in that: the main shaft (1) outer surface clearance fit has two first fixed rings (2), two the first fixed ring (2) outside all is provided with detects ring (3), be connected with on detecting ring (3) inside wall and be used for making when the lobe intakes detect ring (3) detection mechanism that inwards removes, two detect ring (3) all are clearance fit with main shaft (1), two equal fixedly connected with keeps off ring (4) on first fixed ring (2) outer surface, detect ring (3) sliding connection in first fender ring (4), two all be provided with a plurality of curved closing plate (5) on detecting ring (3) inside wall, it is a plurality of sealing plate (5) form sealing ring (22) laminating on main shaft (1) surface after butt joint, closing plate (5) are located the outside of main shaft (1), every sealing plate (5) outer surface all is connected with on being used for compressing tightly sealing plate (5) outward appearance sealing mechanism on main shaft (1) when detecting ring (3) inboard removal, sealing mechanism can drive a plurality of main shaft (5) and break away from main shaft (1) when detecting ring (3) and reset.
2. The seal for a ship bay according to claim 1, wherein: detection mechanism includes a plurality of first slide bar (6), and is a plurality of the equal fixed connection of first slide bar (6) is on detecting the inside wall of ring (3), and is a plurality of first slide bar (6) inner all runs through first solid fixed ring (2) and rather than sliding connection, every all the cover is equipped with and is located detecting first spring (7) between ring (3) and first solid fixed ring (2) on first slide bar (6) surface, detect ring (3) water pressure extrusion when bulkhead one side is intake and detect ring (3) inward movement.
3. The seal for a ship bay of claim 1, wherein: sealing mechanism includes two second slide bars (8), two the equal fixed connection of second slide bar (8) is at the top of closing plate (5), detect on the ring (3) inside wall fixedly connected with a plurality of first connecting plate (9), second slide bar (8) top run through first connecting plate (9) and rather than sliding connection, every all the cover is equipped with second spring (10) that are located between closing plate (5) and first connecting plate (9) on second slide bar (8) surface, every second slide bar (8) outside all is provided with the positioning mechanism who is used for fixing a position second slide bar (8), positioning mechanism is opened when second slide bar (8) inward shift and is broken away from second slide bar (8) of location, every second slide bar (8) top all is connected with and is used for driving the canceling release mechanical system that resets second slide bar (8) in step when detecting ring (3) outward shift and resetting.
4. A seal for a ship bay according to claim 3, wherein: positioning mechanism includes second connecting plate (11), second connecting plate (11) fixed connection is on detecting the inside wall of ring (3), the inside sliding connection of second connecting plate (11) has locating lever (12), locating lever (12) outer end runs through second slide bar (8) and rather than sliding connection, locating lever (12) surface goes up the first regulating plate of fixedly connected with (13), first regulating plate (13) bottom and first connecting plate (9) top contact, the cover is equipped with third spring (14) that are located between first regulating plate (13) and second connecting plate (11) on locating lever (12) surface, the first guide bar (15) of first regulating plate (13) top fixedly connected with, the first guide block (16) of fixedly connected with on first solid fixed ring (2) lateral wall, first guide block (16) are used for pulling away to the inboard first guide bar (15) when detecting ring (3) and pull out the locating lever (12) and go out second slide bar (8).
5. The seal for a ship bay of claim 4, wherein: the reset mechanism comprises a second adjusting plate (17), the second adjusting plate (17) is fixedly connected to the top end of the second sliding rod (8), a second guide rod (18) is fixedly connected to the outer side wall of the second adjusting plate (17), a second guide block (19) is fixedly connected to the outer side wall of the first fixing ring (2), and the second guide block (19) is used for jacking the second guide rod (18) when the detection ring (3) is moved outwards to reset.
6. The seal for a ship bay according to claim 2, wherein: two be provided with two extrusion ring (20), two between first solid fixed ring (2) extrusion ring (20) and main shaft (1) clearance fit, the left side is a plurality of first slide bar (6) run through left extrusion ring (20) and extrusion ring (20) fixed connection on right side, the right side is a plurality of first slide bar (6) run through extrusion ring (20) and left extrusion ring (20) fixed connection on right side, two fixedly connected with cotton (21) that absorb water between extrusion ring (20), cotton (21) and main shaft (1) surface contact absorb water, two common fixedly connected with sealing ring (22) of first solid fixed ring (2), sealing ring (22) surround two extrusion ring (20), two first solid fixed ring (2) inside equal fixedly connected with check valve (23), check valve (23) are located the inboard of sealing ring (22) and are used for outwards discharging the rivers between two first solid fixed ring (2).
7. The seal for a ship bay according to claim 1, wherein: two first fender ring (4) outer end all fixedly connected with protection network (24), protection network (24) cover is established on main shaft (1) and is clearance fit with main shaft (1).
8. A method for sealing a ship bay, which is applied to the sealing device for the ship bay as claimed in any one of claims 1 to 7, wherein the method comprises the following steps: the method comprises the following specific steps:
the method comprises the following steps: fixedly installing two first fixing rings (2) between the compartments, and then enabling the main shaft (1) to penetrate through the first fixing rings (2) and the detection ring (3);
step two: when water enters one side of the bulkhead, the bulkhead is quickly filled with collected water, the detection ring (3) is quickly submerged by the collected water, the detection ring (3) is extruded, the detection ring (3) moves towards the first fixing ring (2), and the detection mechanism is compressed;
step three: the detection ring (3) drives the plurality of arc-shaped sealing plates (5) to synchronously move, the sealing mechanism opens the positioning of the sealing plates (5) and presses and attaches the plurality of sealing plates (5) on the outer surface of the main shaft (1), so that the plurality of sealing plates (5) are mutually butted to form a sealing ring, and a gap between the detection ring (3) and the main shaft (1) is sealed;
step four: when accumulated water in the compartment is discharged, the pressure of the water pressure on the detection ring (3) is reduced until the pressure disappears, and the detection ring (3) moves to one side far away from the first fixing plate under the action of the detection mechanism to reset;
step five: when the sealing plate (5) is reset, the sealing mechanism pulls the sealing plate (5) outwards again to enable the sealing plates (5) to be separated from the contact with the main shaft (1), and primary compartment sealing is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758546.8A CN115158626B (en) | 2022-06-30 | Sealing device and method for ship compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758546.8A CN115158626B (en) | 2022-06-30 | Sealing device and method for ship compartment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115158626A true CN115158626A (en) | 2022-10-11 |
| CN115158626B CN115158626B (en) | 2024-06-04 |
Family
ID=
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606650D0 (en) * | 1985-03-29 | 1986-04-23 | Ross Ind Gmbh | Bulkhead seal |
| EP0209999A2 (en) * | 1985-07-13 | 1987-01-28 | John Crane Uk Limited | Seals |
| JPH06344984A (en) * | 1993-06-07 | 1994-12-20 | Nippon Marine Techno Kk | Bulkhead sealing device for ship |
| JPH10218096A (en) * | 1997-02-04 | 1998-08-18 | Nikko Kizai Kk | Seal device of stern pipe for propeller shaft of ship |
| CN101099057A (en) * | 2004-11-22 | 2008-01-02 | 米德技术股份有限公司 | Fluid-activated shaft seal |
| US20080303218A1 (en) * | 2004-11-22 | 2008-12-11 | Mide Technology Corporation | Fluid-activated shaft seal |
| US20130220196A1 (en) * | 2012-02-29 | 2013-08-29 | Blohm + Voss Industries Gmbh | Shaft Seal Arrangement for a Ship Bulkhead |
| CN204553838U (en) * | 2015-03-17 | 2015-08-12 | 东台市远洋船舶配件有限公司 | Sliding separation end face seal structure |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8606650D0 (en) * | 1985-03-29 | 1986-04-23 | Ross Ind Gmbh | Bulkhead seal |
| EP0209999A2 (en) * | 1985-07-13 | 1987-01-28 | John Crane Uk Limited | Seals |
| JPH06344984A (en) * | 1993-06-07 | 1994-12-20 | Nippon Marine Techno Kk | Bulkhead sealing device for ship |
| JPH10218096A (en) * | 1997-02-04 | 1998-08-18 | Nikko Kizai Kk | Seal device of stern pipe for propeller shaft of ship |
| CN101099057A (en) * | 2004-11-22 | 2008-01-02 | 米德技术股份有限公司 | Fluid-activated shaft seal |
| US20080303218A1 (en) * | 2004-11-22 | 2008-12-11 | Mide Technology Corporation | Fluid-activated shaft seal |
| US20130220196A1 (en) * | 2012-02-29 | 2013-08-29 | Blohm + Voss Industries Gmbh | Shaft Seal Arrangement for a Ship Bulkhead |
| CN204553838U (en) * | 2015-03-17 | 2015-08-12 | 东台市远洋船舶配件有限公司 | Sliding separation end face seal structure |
Non-Patent Citations (1)
| Title |
|---|
| 卜锋斌等: "新型隔舱密封装置的研制", 船舶工程, vol. 39, no. 08, 31 December 2017 (2017-12-31), pages 52 - 54 * |
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