CN115158626B - Sealing device and method for ship compartment - Google Patents
Sealing device and method for ship compartment Download PDFInfo
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- CN115158626B CN115158626B CN202210758546.8A CN202210758546A CN115158626B CN 115158626 B CN115158626 B CN 115158626B CN 202210758546 A CN202210758546 A CN 202210758546A CN 115158626 B CN115158626 B CN 115158626B
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- sealing
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- main shaft
- ring
- detection
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- 238000007789 sealing Methods 0.000 title claims abstract description 155
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000001125 extrusion Methods 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000006424 Flood reaction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- 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)
- Sealing Devices (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a sealing device and a method for a ship compartment in the technical field of ship compartment 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 for enabling the detection rings to move inwards when the compartment is filled with water is connected to the inner side wall of the detection rings, the two detection rings are in clearance fit with the main shaft, and first baffle rings are fixedly connected to the outer surfaces of the two first fixing rings; according to the invention, when the ship compartment is sealed each time, the first fixing ring, the detection ring and the clearance fit of the main shaft are utilized, so that the influence on the rotation work of the main shaft is avoided, and when water enters one side of the compartment by matching with the detection mechanism, the sealing plate and the sealing mechanism, the main shaft position at the water inlet side is sealed in time, so that the two compartments are isolated, and the accumulated water is prevented from flowing into the other compartment from the surface of the main shaft, thereby being convenient and quick.
Description
Technical Field
The invention relates to the technical field of ship compartment sealing, in particular to a sealing device and a sealing method for a ship compartment.
Background
The compartment sealing means is used for sealing against water when the main propulsion shaft passes through the compartment wall. The spindle passes through the compartment seal device and rotates at a prescribed operating speed. When the cabin on any side is broken and water is fed, the compartment sealing device can automatically perform a sealing function, so that the water is prevented from spreading to the compartment wall, and time is striven for taking various emergency remedial measures, so that the safety of the ship is ensured to a certain extent.
The sealing device of the ship compartment in the prior art is characterized in that the sealing device is required to prevent water in other compartments from flowing to another compartment through the main shaft at any time, and the sealing element is always in close contact with the surface of the main shaft, so that the main shaft and the compartment form sealing isolation, but the sealing device of the ship compartment is required to seal the main shaft under the condition that the compartment does not enter water because the sealing element rubs against the sealing element when the main shaft rotates to work, the sealing effect of the sealing device is reduced, the damage of the main shaft is also caused for a long time, and the service life of the main shaft is reduced.
Based on the above, the invention designs a sealing device and a sealing method for a ship compartment, so as to solve the problems.
Disclosure of Invention
The invention aims to provide a sealing device and a sealing method for a ship compartment, which are used for solving the problems that in the prior art, the sealing device for the ship compartment is provided, because the water in other compartments needs to be prevented from passing through a main shaft flow to another compartment all the time, the sealing element is always in close contact with the surface of a main shaft, so that the main shaft and the compartment form sealing isolation, but when the main shaft rotates, friction is generated between the main shaft and the sealing element, the main shaft and the sealing element can cause abrasion, the sealing effect of the sealing device can be reduced, the damage of the main shaft can be caused for a long time, and the service life of the main shaft is reduced, so that the sealing device for the ship compartment is urgently needed, which is not used for sealing the main shaft under the condition that the compartment is not filled with water, and is used for sealing the compartment timely when the compartment is filled with water.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a sealing device for ship compartment, includes the main shaft, clearance fit has two first solid fixed rings on the main shaft surface, two the first solid fixed ring outside all is provided with the detection ring, be connected with the detection mechanism that is used for making the detection ring inwards move when the compartment intakes on the detection ring inner wall, two the detection ring all is clearance fit with the main shaft, two the first baffle ring of all fixedly connected with on the first solid fixed ring surface, detection ring sliding connection is in first baffle ring, two all be provided with a plurality of curved closing plates on the detection ring inner wall, a plurality of closing plates butt joint form the sealing ring laminating on the main shaft surface, the closing plate is located the outside of main shaft, every all be connected with on the closing plate surface and be used for pressing down the closing plate on the main shaft outward appearance when the detection ring inwards moves, sealing mechanism can drive a plurality of closing plates and break away from the main shaft and reset when the detection ring resets;
The detection mechanism comprises a plurality of first sliding rods, the first sliding rods are fixedly connected to the inner side wall of the detection ring, the inner ends of the first sliding rods penetrate through the first fixed ring and are in sliding connection with the first fixed ring, a first spring positioned between the detection ring and the first fixed ring is sleeved on the outer surface of each first sliding rod, and when water enters from one side of the compartment, the detection ring is pressed inwards by water pressure to move inwards;
The sealing mechanism comprises two second slide bars, the two second slide bars are fixedly connected to the top of the sealing plate, a plurality of first connecting plates are fixedly connected to the inner side wall of the detection ring, the top ends of the second slide bars penetrate through the first connecting plates and are in sliding connection with the first connecting plates, second springs positioned between the sealing plate and the first connecting plates are sleeved on the outer surfaces of the second slide bars, positioning mechanisms used for positioning the second slide bars are arranged on the outer sides of the second slide bars, the positioning mechanisms are opened and separated from the second slide bars when the second slide bars move inwards, and reset mechanisms used for synchronously driving the second slide bars to reset when the detection ring moves outwards are 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 second connecting plate in a sliding manner, the outer end of the positioning rod penetrates through the second sliding rod and is connected with the second sliding rod in a sliding manner, a first adjusting plate is fixedly connected to the outer surface of the positioning rod, the bottom of the first adjusting plate is contacted with the top of the first connecting plate, a third spring positioned between the first adjusting plate and the second connecting plate is sleeved on the outer surface of the positioning rod, a first guiding rod is fixedly connected to the top of the first adjusting plate, a first guiding block is fixedly connected to the outer side wall of the first fixing ring, and the first guiding block is used for pushing the first guiding rod inwards when the detection ring moves inwards so that the positioning rod can be pulled out of the second sliding rod;
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 fixed 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 sliding rods on the left penetrate through the left extrusion rings and are fixedly connected with the right extrusion rings, a plurality of first sliding rods on the right penetrate through the right extrusion rings and are fixedly connected with the left extrusion rings, absorbent cotton is fixedly connected between the two extrusion rings and is contacted with the outer surface of the main shaft, sealing rings are fixedly connected with the two first fixing rings together, the sealing rings surround the two extrusion rings, one-way valves are fixedly connected inside the two first fixing rings, and the inner sides of the one-way valves are used for discharging water between the two first fixing rings outwards;
the outer ends of the two first baffle rings are fixedly connected with protective nets, and the protective nets are sleeved on the main shaft and are in clearance fit with the main shaft;
a sealing method for a ship compartment comprises the following specific steps:
Step one: fixedly mounting two first fixing rings between the compartments, and then penetrating the main shaft through the first fixing rings and the detection rings;
Step two: when water enters one side of the compartment, the water on one side of the compartment is filled up quickly, the water floods the detection ring quickly, the detection ring is extruded, the detection ring moves towards the first fixed ring, and the detection mechanism is compressed;
Step three: the detection ring drives a plurality of arc-shaped sealing plates to synchronously move, the sealing mechanism opens the positioning of the sealing plates and presses and attaches the sealing plates to the outer surface of the main shaft, so that the 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 accumulated water disappears, and the detection ring moves to one side far away from the first fixed ring under the action of the detection mechanism to reset;
step five: the sealing mechanism pulls the sealing plates outwards again when the sealing plates are reset, so that a plurality of sealing plates are separated from contact with the main shaft, and one-time compartment sealing is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, when the ship compartment is sealed each time, the first fixing ring, the detection ring and the clearance fit of the main shaft are utilized, so that the influence on the rotation work of the main shaft is avoided, and when water enters one side of the compartment by matching with the detection mechanism, the sealing plate and the sealing mechanism, the main shaft position at the water inlet side is sealed in time, so that the two compartments are isolated, and the accumulated water is prevented from flowing into the other compartment from the surface of the main shaft, thereby being convenient and quick.
2. According to the invention, when the detection ring moves inwards, the plurality of sealing plates are driven to synchronously move inwards through the plurality of first connecting plates and the second sliding rods, the first guide rod is driven to move inwards through the first adjusting plate, the first guide rod moves inwards under the action of the first guide block to drive the first adjusting plate and the positioning rod to move inwards, the second spring is compressed, so that the positioning rod is pulled out of the second sliding rod and is separated from the positioning with the second sliding rod, when the positioning rod is pulled out of the second sliding rod, the first spring presses the sealing plates, the inner surfaces of the sealing plates tightly lean against the outer surface of the main shaft, the plurality of sealing plates are butted with each other to form a sealing ring, and gaps between the detection ring and the main shaft are sealed, so that two sides of a compartment into which water is accumulated are timely sealed.
Drawings
FIG. 1 is a flow chart of a sealing method of the present invention;
FIG. 2 is a first perspective view of the overall structure of the present invention;
FIG. 3 is a second perspective cross-sectional view of the overall structure of the present invention;
FIG. 4 is an end view of the spindle of the present invention;
FIG. 5 is a third perspective view of the general structure of the present invention (concealing the first baffle ring and protective screening on the left);
FIG. 6 is an enlarged view of the structure of FIG. 5 at A;
FIG. 7 is a schematic diagram of the connection relationship of the test plate, the first retaining ring and the stripper plate according to the present invention;
FIG. 8 is a schematic view of the structure of the detecting plate, sealing plate and sealing mechanism of the present invention;
fig. 9 is an enlarged view of the structure at B in fig. 8.
In the drawings, the list of components represented by the various numbers is as follows:
The main shaft 1, the first fixed ring 2, the detection ring 3, the first baffle ring 4, the sealing plate 5, the first sliding rod 6, the first spring 7, the second sliding rod 8, the first connecting plate 9, the second spring 10, the second connecting plate 11, the positioning rod 12, the first adjusting plate 13, the third spring 14, the first guiding rod 15, the first guiding block 16, the second adjusting plate 17, the second guiding rod 18, the second guiding block 19, the pressing ring 20, the absorbent cotton 21, the sealing ring 22, the one-way valve 23 and the protective screen 24.
Detailed Description
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a sealing device for ship compartment, including main shaft 1, clearance fit has two first solid fixed ring 2 on main shaft 1 surface, the outside of two first solid fixed ring 2 all is provided with detection ring 3, be connected with the detection mechanism that is used for making detection ring 3 inwards move when the compartment intakes on detection ring 3 inside wall, two detection rings 3 all are clearance fit with main shaft 1, all fixedly connected with first baffle ring 4 on two solid fixed ring 2 surface, detection ring 3 sliding connection is in first baffle ring 4, all be provided with a plurality of curved closing plate 5 on two detection ring 3 inside wall, form sealing ring 22 laminating on main shaft 1 surface after a plurality of closing plate 5 butt joint, closing plate 5 is located the outside of main shaft 1, all be connected with the sealing mechanism that is used for pressing down closing plate 5 on main shaft 1 outward appearance when detection ring 3 inwards moves on every closing plate 5 surface, sealing mechanism can drive a plurality of closing plate 5 and break away from main shaft 1 reset when detection ring 3 resets;
When the device works, the two first fixing rings 2 are fixedly arranged between the compartments, then, the main shaft 1 passes through the first fixing rings 2 and the detecting rings 3, the main shaft 1 rotates in a plurality of compartments at the bottom of the naval vessel, the first fixing rings 2 and the detecting rings 3 are in clearance fit with the main shaft 1, namely, the inner side walls of the first fixing rings 2 and the detecting rings 3 are not contacted 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 and works is avoided, when water enters one side of the compartments, one side of the compartments is rapidly filled with water, the water rapidly floods the detecting rings 3, the detecting rings 3 are extruded, the detecting rings 3 move towards the first fixing rings 2, the detecting rings 3 drive a plurality of arc-shaped sealing plates 5 to synchronously move, the sealing mechanism is used for opening the positioning of the sealing plates 5 and tightly attaching the sealing plates 5 on the outer surface of the main shaft 1, the sealing rings are formed by mutually butting a plurality of sealing plates 5, so that gaps between the detecting rings 3 and the main shaft 1 are sealed in time, when water is accumulated on one side of the compartment, the position of the main shaft 1 is sealed in time, the water is prevented from flowing from the outer surface of the main shaft 1 to other compartments, when the water in the compartment is discharged, the pressure of the water pressure on the detecting rings 3 is reduced until the water disappears, the detecting rings 3 move to the side far away from the first fixing rings under the action of the detecting mechanism to reset, and in the same way, the sealing mechanism drives the sealing plates 5 to reset, the sealing plates 5 are pulled outwards again when the sealing plates 5 reset, so that the sealing plates 5 are separated from the main shaft 1 to facilitate the follow-up operation of the main shaft 1 again, thereby realizing the clearance fit between the first fixing rings 2 and the detecting rings 3 and the main shaft 1 when the ship compartment is sealed each time, the rotary operation of the main shaft 1 is prevented from being influenced, when water enters from one side of the compartment by matching the detection mechanism, the sealing plate 5 and the sealing mechanism, the position of the main shaft 1 at the water inlet side is sealed in time, so that the two compartments are isolated, and accumulated water is prevented from flowing into the other compartment from the surface of the main shaft 1, thereby being convenient and quick.
As a further scheme of the invention, the detection mechanism comprises a plurality of first slide bars 6, the plurality of first slide bars 6 are fixedly connected to the inner side wall of the detection ring 3, the inner ends of the plurality of first slide bars 6 penetrate through the first fixed ring 2 and are in sliding connection with the first fixed ring 2, a first spring 7 positioned between the detection ring 3 and the first fixed ring 2 is sleeved on the outer surface of each first slide bar 6, and when water enters from one side of the compartment, the detection ring 3 is pressed inwards by water pressure to move inwards; during operation, the state of keeping away from the first fixed ring of the detection ring 3 is needed to be kept at all times, and the water inflow can be detected at all times, and when the water accumulation enters the compartment, the water accumulation quickly submerges the detection ring 3, the water pressure extrudes the detection ring 3, the first spring 7 is compressed, the detection ring 3 and the first sliding rod 6 synchronously move inwards, the detection performance of the detection ring 3 on the water accumulation is kept at all times, and the water accumulation entering the compartment is timely detected and the reaction is quickly carried out.
As a further scheme of the invention, the sealing mechanism comprises two second slide bars 8, the two second slide bars 8 are fixedly connected to the top of the sealing plate 5, a plurality of first connecting plates 9 are fixedly connected to the inner side wall of the detection ring 3, 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 9, 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 for positioning the second slide bar 8 is arranged on the outer side of each second slide bar 8, the positioning mechanism is opened and separated from the positioning second slide bar 8 when the second slide bar 8 moves inwards, and a reset mechanism for synchronously driving the second slide bar 8 to reset when the detection ring 3 moves outwards is connected to reset;
As a further scheme of the invention, the positioning mechanism comprises a second connecting plate 11, the second connecting plate 11 is fixedly connected to the inner side wall of the detection ring 3, a positioning rod 12 is connected in the second connecting plate 11 in a sliding way, the outer end of the positioning rod 12 penetrates through the second slide rod 8 and is connected with the second slide rod in a sliding way, 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 contacted 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 fixed ring 2, and the first guide block 16 is used for pushing the first guide rod 15 inwards when the detection ring 3 moves inwards so that the positioning rod 12 is pulled out of the second slide rod 8;
During operation, as a plurality of sealing plates 5 need to be moved towards the spindle 1 rapidly when the detection ring 3 moves inwards, gaps between the detection ring 3 and the spindle 1 are sealed, when the detection ring 3 moves inwards, a plurality of sealing plates 5 are driven to synchronously move inwards through a plurality of first connecting plates 9 and second sliding rods 8, and a first guide rod 15 is driven to move inwards through a first adjusting plate 13, the first guide rod 15 moves inwards under the action of a first guide block 16, the first adjusting plate 13 and the positioning rods 12 are driven to move inwards, the second springs 10 are compressed, the positioning rods 12 are pulled out of the second sliding rods 8 and are separated from positioning with the second sliding rods 8, when the positioning rods 12 are pulled out of the second sliding rods 8, the first springs 7 press the sealing plates 5 to tightly lean against the outer surfaces of the spindle 1, the sealing plates 5 are butted with each other to form sealing rings, the gaps between the detection ring 3 and the spindle 1 are sealed, and therefore both sides of a partition chamber where water is accumulated are sealed timely.
As a further scheme of the invention, 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 fixed ring 2, and the second guide block 19 is used for jacking up the second guide rod 18 when the detection ring 3 moves outwards for reset; when the 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 main shaft 1 when no accumulated water exists in the compartment, the detection ring 3 is moved outwards under the action of the first spring 7 to drive the positioning mechanism and the second slide rod 8 to move outwards when the accumulated water in the compartment is discharged, the second slide rod 8 drives the second guide rod 18 to move outwards through the second adjusting plate 17, the second guide rod 18 moves upwards under the action of the second guide block 19, the second slide rod 8 is driven to move upwards through the second adjusting plate 17 to enable the sealing plate 5 to move upwards to be separated from the outer surface of the main shaft 1, when the second slide rod 8 is reset, the positioning rod 12 is inserted into the second slide rod 8 again under the action of the third spring 14 to position the second slide rod 8, the sealing plate 5 is kept in a state of being separated from the main shaft 1 for a long time, the sealing plate 5 is prevented from being contacted with the sealing plate 5 when the main shaft 1 works, and abrasion to the main shaft 1 is avoided.
As a further scheme of the invention, two extrusion rings 20 are arranged between two first fixed rings 2, the two extrusion rings 20 are in clearance fit with a main shaft 1, a plurality of first sliding rods 6 on the left penetrate through the left extrusion ring 20 and are fixedly connected with the right extrusion ring 20, a plurality of first sliding rods 6 on the right penetrate through the right extrusion ring 20 and are fixedly connected with the left extrusion ring 20, water absorbent cotton 21 is fixedly connected between the two extrusion rings 20, the water absorbent cotton 21 is contacted with the outer surface of the main shaft 1, sealing rings 22 are fixedly connected with the two first fixed rings 2 together, the sealing rings 22 surround the two extrusion rings 20, one-way valves 23 are fixedly connected inside the two first fixed rings 2, and the one-way valves 23 are positioned on the inner sides of the sealing rings 22 and are used for discharging water flow between the two first fixed rings 2 outwards; during operation, as part of accumulated water possibly enters another compartment through the gap between the detection ring 3 and the first fixed ring 2 and the main shaft 1, through arranging two extrusion rings 20 with the belts between the two first fixed rings 2, when one side of the accumulated water is extruded and moved inwards by the detection ring 3 and the first slide bars 6, the first slide bars 6 drive the extrusion rings 20 fixedly connected with the first slide bars to synchronously move outwards, the extrusion of the absorbent cotton 21 is released, accumulated water entering from the gap between the detection ring 3 and the first fixed ring 2 and the main shaft 1 is absorbed when the absorbent cotton 21 is opened, the accumulated water passing through is prevented from entering the other compartment, when the accumulated water in the compartment is discharged, the detection ring 3 moves outwards and resets, the extrusion rings 20 are driven to reset by the first slide bars 6, the two extrusion rings 20 extrude the accumulated water in the absorbent cotton 21, the accumulated water is prevented from falling between the sealing rings 22 and the two first fixed rings 2, and finally the accumulated water is discharged outwards from the one-way valve 23, so that when the accumulated water starts to enter the other compartment through the detection ring 3 and the first fixed ring 2.
As a further scheme of the invention, the outer ends of the two first baffle rings 4 are 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 the detection ring 3 is stable through the first spring 7, when personnel place goods to the compartment in, easily touch the detection ring 3 by mistake, protect the detection ring 3 including through the protection network 24 at two first fender rings 4 outer end fixed connection, avoid personnel to contact the detection ring 3, and the protection network 24 is clearance fit with main shaft 1 equally, avoid producing the friction with main shaft 1.
A sealing method for a ship compartment comprises the following specific steps:
step one: fixedly mounting two first fixing rings 2 between the compartments, and then passing the main shaft 1 through the first fixing rings 2 and the detecting ring 3;
Step two: when water enters from one side of the compartment, the water on one side of the compartment is filled up rapidly, the water floods the detection ring 3 rapidly, the detection ring 3 is extruded, the detection ring 3 moves towards the first fixed ring 2, and the detection mechanism is compressed;
Step three: the detection ring 3 drives a 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 sealing plates 5 to the outer surface of the main shaft 1, so that the 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 accumulated water disappears, and the detection ring 3 moves to one side far away from the first fixed ring under the action of the detection mechanism for resetting;
step five: the sealing mechanism pulls the sealing plates 5 outwards again when the sealing plates 5 are reset, so that a plurality of sealing plates 5 are separated from contact with the main shaft 1, and one compartment sealing is completed.
Claims (8)
1. The utility model provides a sealing device for naval vessel compartment, includes main shaft (1), its characterized in that: the device comprises a main shaft (1), wherein two first fixed rings (2) are in clearance fit on the outer surface of the main shaft (1), a plurality of arc-shaped sealing plates (5) are arranged on the outer side of each first fixed ring (2), a detection mechanism used for enabling each detection ring (3) to move inwards when a compartment is filled with water is connected to the inner side wall of each detection ring (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 fixed rings (2), the detection rings (3) are in sliding connection with the first baffle rings (4), a plurality of arc-shaped sealing plates (5) are arranged on the inner side walls of the two detection rings (3), a plurality of sealing plates (5) are abutted to form a sealing ring (22) to be attached to the outer surface of the main shaft (1), each sealing plate (5) is positioned on the outer side of the main shaft (1), and each sealing plate (5) is connected to the outer surface of the main shaft (1) so that the sealing plate (5) is pressed downwards on the outer surface of the main shaft (1) when the detection rings (3) move inwards, and the sealing rings (5) can be separated from the sealing mechanism (1) when the sealing rings (1) are reset;
When the detection ring (3) moves inwards, the sealing mechanism is driven to act, so that the sealing plates (5) are pressed downwards on the outer surface of the main shaft (1), namely, the outer surface of each sealing plate (5) is connected with a sealing mechanism for driving the sealing plates (5) to be pressed downwards on the outer surface of the main shaft (1) when the detection ring (3) moves inwards.
2. The sealing device for ship compartments according to claim 1, wherein: the detection mechanism comprises a plurality of first slide bars (6), wherein 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 fixed rings (2) and are in sliding connection with the first fixed rings, each first slide bar (6) is sleeved with a first spring (7) located between the detection ring (3) and the first fixed rings (2), and the detection ring (3) is pressed inwards by water pressure to move inwards when water enters from one side of the compartment.
3. The sealing device for ship compartments according to claim 2, wherein: sealing mechanism includes two second slide bars (8), two equal fixed connection of second slide bar (8) is at the top of closing plate (5), fixedly connected with a plurality of first connecting plates (9) on detection ring (3) inside wall, second slide bar (8) top runs 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 that is used for fixing a position second slide bar (8), positioning mechanism is opened when second slide bar (8) inwards moves and is broken away from location second slide bar (8), every second slide bar (8) top all is connected with and is used for being used for in step with second slide bar (8) drive the reset mechanism that resets when detecting ring (3) outwards removes and resets.
4. A sealing device for a ship's compartment according to claim 3, characterized in that: the positioning mechanism comprises a second connecting plate (11), the second connecting plate (11) is fixedly connected to the inner side wall of the detection ring (3), a positioning rod (12) is fixedly connected to the second connecting plate (11) in a sliding mode, the outer end of the positioning rod (12) penetrates through the second sliding rod (8) and is in sliding connection with the second sliding rod, 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) located 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 guiding rod (15) is fixedly connected to the top of the first adjusting plate (13), a first guiding block (16) is fixedly connected to the outer side wall of the first fixing ring (2), and the first guiding block (16) is used for pushing the first guiding rod (15) inwards to enable the positioning rod (12) to be pulled out of the second sliding rod (8) when the detection ring (3) moves inwards.
5. The sealing device for ship compartments according to 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 a 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 fixed ring (2), and the second guide block (19) is used for jacking the second guide rod (18) when the detection ring (3) moves outwards to reset.
6. The sealing device for ship compartments according to claim 5, wherein: two be provided with two extrusion rings (20) between first solid fixed ring (2), two extrusion rings (20) and main shaft (1) clearance fit, a plurality of in left side extrusion rings (20) and right side extrusion rings (20) fixed connection are run through to first slide bar (6), a plurality of in right side extrusion rings (20) and left side extrusion rings (20) fixed connection are run through to first slide bar (6), two fixedly connected with cotton (21) that absorbs water between extrusion rings (20), cotton (21) and main shaft (1) surface contact absorb water, two the common fixedly connected with sealing ring (22) of first solid fixed ring (2), sealing ring (22) surround two extrusion rings (20), two inside equal fixedly connected with check valve (23) of first solid fixed ring (2), check valve (23) are located the inboard of sealing ring (22) and are used for outwards discharging the rivers between two first solid fixed rings (2).
7. The sealing device for ship compartments according to claim 6, wherein: the outer ends of the two first baffle rings (4) are fixedly connected with protective nets (24), and the protective nets (24) are sleeved on the main shaft (1) and are in clearance fit with the main shaft (1).
8. A sealing method for a ship compartment, which is applicable to the sealing device for the ship compartment as claimed in claim 7, and is characterized in that: the method comprises the following specific steps:
Step one: fixedly mounting the two first fixing rings (2) between the compartments, and then, penetrating the main shaft (1) through the first fixing rings (2) and the detection rings (3);
Step two: when water enters from one side of the compartment, the water is filled up quickly on one side of the compartment, the water floods the detection ring (3) quickly, the detection ring (3) is extruded, the detection ring (3) moves towards the first fixed ring (2), and the detection mechanism is compressed;
Step three: the detection ring (3) drives a 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 sealing plates (5) to the outer surface of the main shaft (1), so that the 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 accumulated water disappears, and the detection ring (3) moves to a side far away from the first fixed ring for resetting under the action of the detection mechanism;
Step five: the sealing mechanism pulls the sealing plates (5) outwards again when the sealing plates (5) are reset, so that a plurality of sealing plates (5) are separated from contact with the main shaft (1), and one-time compartment sealing is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210758546.8A CN115158626B (en) | 2022-06-30 | 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 | 2022-06-30 | Sealing device and method for ship compartment |
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| Publication Number | Publication Date |
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| CN115158626A CN115158626A (en) | 2022-10-11 |
| CN115158626B true CN115158626B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210758546.8A Active CN115158626B (en) | 2022-06-30 | 2022-06-30 | Sealing device and method for ship compartment |
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| 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 |
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| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7828299B2 (en) * | 2004-11-22 | 2010-11-09 | Mide Technology Corporation | Fluid-activated shaft seal |
| DE102012004443A1 (en) * | 2012-02-29 | 2013-08-29 | Blohm + Voss Industries Gmbh | Ship with a bulkhead seal in the area of shaft passages |
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|---|---|---|---|---|
| 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 |
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| 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 |
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| CN115158626A (en) | 2022-10-11 |
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