CN205314865U - Hatch door sealing system and use its tidal power generation unit - Google Patents
Hatch door sealing system and use its tidal power generation unit Download PDFInfo
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- CN205314865U CN205314865U CN201521033933.7U CN201521033933U CN205314865U CN 205314865 U CN205314865 U CN 205314865U CN 201521033933 U CN201521033933 U CN 201521033933U CN 205314865 U CN205314865 U CN 205314865U
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- hatch door
- sealing system
- sealing member
- tidal power
- door sealing
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Abstract
The utility model discloses a hatch door sealing system, including the sealing member, the sealing member is including warping the gasbag, warping the gasbag bottom and being equipped with and keeping the seat, the top is equipped with the seal lip, it aerifys when expanding to warp the gasbag, the seal lip is by jack -up and form the static seal. The utility model discloses the tidal power generation unit of using this sealing system is still provided. The utility model discloses a sealing system is sealed reliable, be convenient for maintain, longe -lived, with low costs, for often needing periodical maintenance and place under water the mechanism especially the hatch door of maintaining of tidal power generation unit provide with low costs and the be convenient for sealed scheme of operation.
Description
Technical field
This utility model relates to tidal power machine set technology field, particularly relates to a kind of hatch door sealing system and applies its tidal power unit.
Background technology
Along with going deep into of ocean development activity, tidal power technology is used widely. The sealing of tidal power unit is the critical problem needing to solve, especially the design of the sealing system safeguarding hatch door of tidal power unit, the quality of its performance directly influence tidal power unit can normal operation, even directly influence safety and the life-span of unit.
At present, tidal power unit is typically located at the depth of water on lower 20 meters to 30 meters of sea level, and the sealing means of sealing means many employings " O " the type circle of unit maintenance hatch door, it is to open a rectangular channel on the flange face safeguard hatch door, then " O " type circle is placed in rectangular channel, finally by bolt by the flange screw of the flange Yu transition hatch door of safeguarding hatch door, although this kind of encapsulating method is convenient and simple, but this kind seals structure and has the disadvantage that
1. hatch door is safeguarded it is generally required to turn on maintenance every half a year once, owing to " O " type circle sealing means bolt is all exposed at inside sea water, again due to after " O " type circle secondary compression it cannot be guaranteed that springback capacity, needing when therefore tidal power unit being carried out and being safeguarded half a year all to change " O " type circle and connecting bolt, maintenance cost is higher.
2. the planeness of flange safeguarding hatch door and transfer chamber is required higher by the sealing means of " O " type circle, adds the processing cost safeguarding hatch door and transition hatch door.
3. the sealing means of " O " type circle does not reveal warning function, it is impossible to understand whether leakage situation occur inside tidal power set engine room in time.
As can be seen here, above-mentioned existing sealing device in structure and uses, it is clear that has still suffered from inconvenience and defect, and has urgently been further improved. How to found a kind of seal reliable, be easy to maintenance, new tidal power unit maintenance hatch door sealing system that life-span length, cost are low, become the target that current industry pole need to be improved.
Utility model content
The purpose of this utility model is to provide a kind of hatch door sealing system and applies its tidal power unit, described hatch door sealing system seal reliable, to be easy to maintenance, life-span length, cost low, thus overcoming existing sealing device to safeguard inconvenience, performance susceptible, the deficiency that service life is short, renewal cost is high.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of hatch door sealing system, including sealing member, described sealing member includes deformable bladder, is provided with maintenance seat bottom described deformable bladder, and top is provided with sealing lip, and during described deformable bladder inflation, described sealing lip is by jack-up and forms static seal.
As improving further, also include the pressue device for inflating to described deformable bladder.
Described pressue device includes the air supply header that gas bag connects with gas bag, and connects two gas transmission arms of described air supply header and deformable bladder respectively.
It is additionally provided with filter element between described gas bag and air supply header.
Described gas transmission arm is provided with check valve and/or stop valve.
Described gas transmission arm is provided with pressure release unit.
Being equipped with pressure transducer on described air supply header and gas transmission arm, described sealing system also includes the monitoring alarm connecting described pressure transducer.
Described sealing member is integrated into by nitrile rubber.
A kind of tidal power unit, including safeguarding hatch door and transition hatch door, described maintenance is provided with described hatch door sealing system between hatch door and transition hatch door.
As improving further, in the mounting groove that described sealing member installation by adhering is offered on described transition hatch door, described mounting groove bottom is the slot mating described maintenance seat.
Owing to adopting technique scheme, this utility model at least has the advantage that
(1) owing to have employed deformable bladder inflation jack-up sealing lip, it is easy to control the contact pressure between sealing lip and hatch door, the static seal of good scalable, easy care is formed.
(2) owing to being provided with two gas transmission arms, it may be achieved sealing member is pressurizeed simultaneously, it is prevented that owing to damage or a certain bar pressurization path of pipeline blockage of pneumatic element cause thrashing.
(3) owing to being provided with pressure release unit, it is possible to realize over-voltage protecting function, when system pressure is higher than certain predetermined value, pressure release unit can pressure release in time, it is to avoid system pressure is too high and makes system pipeline burst.
(4) owing to being provided with the monitoring alarm being connected with pressure transducer, can monitor whether sealing member has leakage according to the situation of change of force value, it is achieved and alarm, there is higher reliability.
(5) owing to sealing member adopts NBR (nitrile rubber) manufacture of materials to be fabricated by, there are good corrosion resistance and ductility.
(6) owing to the maintenance seat bottom sealing member is fastened in mounting groove bottom, it is prevented that during deformable bladder air-blowing, position is unstable, produce mobile, thus affecting sealing effectiveness.
(7) to sum up, hatch door sealing system of the present utility model seal reliable, to be easy to maintenances, life-span length, cost low, for often needing periodic maintenance and placing underwater mechanism especially tidal power unit maintenance hatch door to provide a kind of cost low and be easy to the encapsulation scheme operated.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, below in conjunction with accompanying drawing, the utility model is described in further detail with detailed description of the invention.
Fig. 1 is seal configuration schematic diagram.
Fig. 2 A, 2B are the scheme of installations of sealing member.
Fig. 3 is the overall structure schematic diagram that hatch door sealing system of the present utility model is applied to tidal power unit.
In figure: 1: sealing member, 1-1: keep seat, 1-2: air cavity, 1-3: deformable bladder, 1-4: sealing lip, 2: safeguard hatch door, 3: transition hatch door, 3-1: sealing member mounting groove, 4: gas bag, 5: filter element, 6: check valve, 7: pressure transducer, 8: stop valve, 9: pressure release unit.
Detailed description of the invention
This utility model provides a kind of hatch door sealing system and applies the tidal power unit of this sealing system, described sealing system seal reliable, to be easy to maintenances, life-span length, cost low, for often need periodic maintenance and place underwater mechanism especially tidal power unit to safeguard that hatch door provides a kind of cost low and be easy to the encapsulation scheme operated.
Refer to shown in Fig. 1, hatch door sealing system of the present utility model, including sealing member, described sealing member includes deformable bladder 1-3, maintenance seat 1-1 it is provided with bottom described deformable bladder 1-3, when top is provided with the air cavity 1-2 inflation of sealing lip 1-4, described deformable bladder 1-3, described sealing lip 1-4 by jack-up and forms static seal. Owing to have employed deformable bladder 1-3 inflation jack-up sealing lip, it is easy to control the contact pressure between sealing lip 1-4 and hatch door, form the static seal of good scalable, easy care.
Shown in Fig. 3, hatch door sealing system of the present utility model also includes for the described deformable bladder 1-3 pressue device inflated. Described pressue device includes the air supply header that gas bag 4 connects with gas bag 4, and connects two gas transmission arms of described air supply header and deformable bladder 1-3 respectively. Owing to being provided with two gas transmission arms, it may be achieved sealing member 1 is pressurizeed by two branch roads simultaneously, it is prevented that owing to damage or a certain bar pressurization path of pipeline blockage of pneumatic element cause thrashing.
Further, between described gas bag 4 and air supply header, be additionally provided with filter element 5, filter element 5 gas discharged from gas bag 4 can be filtered after in inflow system.
Being equipped with check valve 6 on described air supply header and gas transmission arm, described gas transmission arm is provided with stop valve 8. Being additionally provided with pressure release unit 9 on gas transmission arm, pressure release unit 9 is capable of over-voltage protecting function, and when system pressure is higher than certain predetermined value, pressure release unit 9 can pressure release in time, it is to avoid system pressure is too high and makes system pipeline burst.
In addition, system is provided with pressure transducer 7 in different loop nodes, described air supply header shown in Fig. 3 and be equipped with pressure transducer 7 on gas transmission arm, according to the lasting change of force value in the node of sealing member 1 loop, system can monitor whether sealing member 1 has leakage, therefore, the monitoring alarm (not shown) connecting described pressure transducer 7 can be set further, it is achieved and alarm.
Hatch door sealing system of the present utility model can be applicable to tidal power unit, and specifically, shown in Fig. 2 A, 2B and Fig. 3, above-mentioned hatch door sealing system is arranged between the maintenance hatch door 2 of tidal power unit and transition hatch door 3. During installation, in the mounting groove 3-1 that described sealing member 1 installation by adhering is offered on described transition hatch door 3. Described mounting groove 3-1 bottom is the slot mating described maintenance seat 1-1. Preferably, sealing member 1 is fabricated by by NBR (nitrile rubber) manufacture of materials, has good corrosion resistance and ductility, and the seat 1-1 that keeps of sealing member 1 can by solid NBR material integral die molding, and whole sealing member 1 also can integrated molding. After installation, whole sealing member 1 can link together with transition hatch door 3 on safety and firmness ground.
During enforcement, install and debugging tidal power unit maintenance hatch door sealing system, can carry out in accordance with the following steps:
1. clearing up the sealing member mounting groove 3-1 of transition hatch door 3, remove machined burrs, sharp edge is blunt.
2. keep the deformable bladder 1-3 of sealing member 1 to be in unaerated state, the seat 1-1 that keeps of sealing member 1 is installed in the sealing member mounting groove 3-1 of transition hatch door 3, it is ensured that install smooth, the situation such as non-overlapping and excessive tensile, install rear state and see Fig. 2 B.
3. close and safeguard hatch door 2, start pressue device, gas in gas bag 4 can be punched in the air cavity 1-2 of sealing member 1 by filter element 5, check valve 6, stop valve 8 by pressue device, the air cavity 1-2 of sealing member 1 can drive deformable bladder 1-3 to expand after obtaining air pressure, eventually make the sealing lip 1-4 of sealing member 1 and the flange screw safeguarding hatch door 2, form strong static seal, as shown in Figure 3. The sea water that prevents that can be safe and reliable enters in the cabin of tidal power unit.
The above; it it is only preferred embodiment of the present utility model; not this utility model being done any pro forma restriction, those skilled in the art utilize the technology contents of the disclosure above to make a little simple modification, equivalent variations or modification, all fall within protection domain of the present utility model.
Claims (10)
1. a hatch door sealing system, it is characterised in that include sealing member, described sealing member includes deformable bladder, is provided with maintenance seat bottom described deformable bladder, and top is provided with sealing lip, and during described deformable bladder inflation, described sealing lip is by jack-up and forms static seal.
2. a kind of hatch door sealing system according to claim 1, it is characterised in that also include the pressue device for inflating to described deformable bladder.
3. a kind of hatch door sealing system according to claim 2, it is characterised in that described pressue device includes the air supply header that gas bag connects with gas bag, and connects two gas transmission arms of described air supply header and deformable bladder respectively.
4. a kind of hatch door sealing system according to claim 3, it is characterised in that be additionally provided with filter element between described gas bag and air supply header.
5. a kind of hatch door sealing system according to claim 3, it is characterised in that described gas transmission arm is provided with check valve and/or stop valve.
6. a kind of hatch door sealing system according to claim 3, it is characterised in that described gas transmission arm is provided with pressure release unit.
7. a kind of hatch door sealing system according to claim 3, it is characterised in that described air supply header and be equipped with pressure transducer on gas transmission arm, described sealing system also includes the monitoring alarm connecting described pressure transducer.
8. a kind of hatch door sealing system according to claim 1, it is characterised in that described sealing member is integrated into by nitrile rubber.
9. a tidal power unit, including safeguarding hatch door and transition hatch door, it is characterised in that described safeguards the hatch door sealing system being provided with between hatch door and transition hatch door according to any one of claim 1-8.
10. a kind of tidal power unit according to claim 9, it is characterised in that in the mounting groove that described sealing member installation by adhering is offered on described transition hatch door, described mounting groove bottom is the slot mating described maintenance seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033933.7U CN205314865U (en) | 2015-12-14 | 2015-12-14 | Hatch door sealing system and use its tidal power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033933.7U CN205314865U (en) | 2015-12-14 | 2015-12-14 | Hatch door sealing system and use its tidal power generation unit |
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| CN205314865U true CN205314865U (en) | 2016-06-15 |
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| CN201521033933.7U Active CN205314865U (en) | 2015-12-14 | 2015-12-14 | Hatch door sealing system and use its tidal power generation unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370181A (en) * | 2015-12-14 | 2016-03-02 | 国电联合动力技术有限公司 | Cabin door sealing system and tidal power generator set applying same |
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2015
- 2015-12-14 CN CN201521033933.7U patent/CN205314865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370181A (en) * | 2015-12-14 | 2016-03-02 | 国电联合动力技术有限公司 | Cabin door sealing system and tidal power generator set applying same |
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