CN107264822A - A kind of aircraft bottom plate drainage arrangement - Google Patents
A kind of aircraft bottom plate drainage arrangement Download PDFInfo
- Publication number
- CN107264822A CN107264822A CN201710510348.9A CN201710510348A CN107264822A CN 107264822 A CN107264822 A CN 107264822A CN 201710510348 A CN201710510348 A CN 201710510348A CN 107264822 A CN107264822 A CN 107264822A
- Authority
- CN
- China
- Prior art keywords
- filtering layer
- rhone
- bar
- layer
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1453—Drain masts
Abstract
The invention provides a kind of aircraft bottom plate drainage arrangement, the trench bottom of rhone is provided with drainage tube；Rectangle floor drain is installed in rhone；Filter core is provided with rectangle floor drain；Electromagnetism water check valve is arranged on drainage tube；The lower end connection storage tank of drainage tube；Liquid level sensor is arranged in storage tank；Negative pressure pump connects an exit port of two-position three way magnetic valve；Booster pump connects another exit port of two-position three way magnetic valve；The port of entering of two-position three way magnetic valve is connected with the stomata at the top of storage tank；Drainpipe is connected on the liquid outlet of storage tank bottom, and solenoid drain valve is arranged on drainpipe；Circuit for controlling motor of the controller respectively with electromagnetism water check valve, solenoid drain valve, liquid level sensor, negative pressure pump and booster pump is connected.The aircraft bottom plate drainage arrangement is provided with filter core in rectangle floor drain, and ponding effectively can be filtered, and prevents the water-pipe blockage of lower section, it is ensured that drainage efficiency.
Description
Technical field
The present invention relates to a kind of drainage arrangement, especially a kind of aircraft bottom plate drainage arrangement.
Background technology
At present, there is condensed water in military, civil aircraft cargo hold, because wash away, splash down, penetrate into interior of aircraft rainwater,
Flushing liquor, and the liquid that natural leakage goes out out of system may be all accumulated on airplane floor." ponding " phenomenon is pacified to flight
Plenary session brings certain hidden danger, while can also bring " corrosion " problem to surrounding member, therefore just must when airplane floor is designed
Drainage problem must be considered.But to there is sealing poor for existing drainage arrangement, easily there is infiltration phenomenon, easily block, influence
The problem of drainage efficiency.
The content of the invention
The technical problem to be solved in the present invention is that existing drainage arrangement is easily blocked, the problem of influenceing drainage efficiency.
In order to solve the above-mentioned technical problem, the invention provides a kind of aircraft bottom plate drainage arrangement, including controller, draining
Groove, electromagnetism water check valve, two-position three way magnetic valve, storage tank, liquid level sensor, breather pipe, negative tube, negative pressure pump, pressure inlet, increasing
Press pump, solenoid drain valve and drainpipe；
Rhone is the trapezoidal bar-shaped trough in section, and is connected with drainage tube in the trench bottom of rhone；In rhone
Rectangle floor drain is installed；Filter core is provided with rectangle floor drain；
Electromagnetism water check valve is arranged on drainage tube；The lower end of drainage tube is connected to the top of storage tank；Liquid level sensor is arranged on
In storage tank；
Negative pressure pump is connected to an exit port of two-position three way magnetic valve by negative tube；Booster pump is connected to two by pressure inlet
Another exit port of position-3-way solenoid valve；The port of entering of two-position three way magnetic valve passes through the stomata at the top of breather pipe and storage tank
It is connected；Drainpipe is connected on the liquid outlet of storage tank bottom, and solenoid drain valve is arranged on drainpipe；
Controller respectively with electromagnetism water check valve, solenoid drain valve, liquid level sensor, the circuit for controlling motor of negative pressure pump and supercharging
The circuit for controlling motor of pump is connected.
Using filter core is provided with rectangle floor drain, ponding can effectively be filtered, prevent the water-pipe blockage of lower section, really
Protect drainage efficiency；The quick suction and quick discharge of ponding are realized using negative pressure pump and booster pump, drainage efficiency is effectively ensured.
As the present invention further limits scheme, on the both sides of rhone length direction trough rim it is first-class be interval with it is recessed
Groove location on groove, and both sides on trough rim relative to；Fender rod is installed on the groove of corresponding position on the trough rim of both sides.
Using the setting of groove and fender rod, the filter core in rhone and rhone can effectively be protected, prevent from trampling or
Weight is deformed.
As the further limits scheme of the present invention, one is respectively equipped with trough rim in the both sides of rhone width
Bearing；Pitch chain plate is hinged between adjacent two root guards bar, and is arranged in the two root guard bars at rhone two ends and passes through pitch chain
Plate is arranged on the bearing of corresponding position.Using the fixation for being designed to realize fender rod of bearing and pitch chain plate, while
Separating for whole fender rods can be achieved in the bearing connection for only needing to remove one end during demolition and maintenance, convenient to take out filter element replacing,
Maintenance efficiency is improved, while playing lateral locking effect to each root guard bar using pitch chain plate, dislocation is prevented and from groove
Depart from, play firm position-limiting action.
As the further limits scheme of the present invention, it is trapezoidal that filter core, which includes upper filtering layer, middle filtering layer, lower filtering layer and section,
Bar shaped shell；It is provided with bar hole along its length on the upper side of bar shaped shell；Upper filtering layer, middle filtering layer and lower filtering layer
Stack gradually in bar shaped shell；The top surface of bar shaped shell highly constitutes first layer less than the upper trough rim of rhone and catchmented
Groove；Spaced cavities between the upper side of upper filtering layer and the inner top surface of bar shaped shell constitute second layer water storage tank.Using first layer
The effect of water leg and second layer water leg, enabling quickly accommodate substantial amounts of ponding, is prevented in aircraft backplate surface ponding,
Play a part of early stage retaining, it is to avoid because the water outlet efficiency influence that filtering layer is brought；In addition can be right using the edge of bar hole
Filtering layer progress top is spacing, prevents filtering layer from throwing away bar shaped housing exterior due to jolting.
As the further limits scheme of the present invention, upper filtering layer is big mesh stainless steel filtering net layer laminate；Middle filtering layer is small
Mesh stainless steel filtering net layer laminate；Lower filtering layer glass layer.Using stainless steel filtering net and glass fibre filtering layer can have compared with
Strong resistance to corrosion, maintenance period is long, highly reliable.
As the further limits scheme of the present invention, upper filtering layer, middle filtering layer and lower filtering layer pass through two row array column distributions
Filtering layer support carries out stacking installation；Filtering layer support includes two end frames and an intermediate support；End frame is by end branch
Hack lever and the supporting plate composition for being vertically mounted on end frame boom end；Intermediate support is by middle bracket bar and right angle setting
Supporting plate in the middle part of end frame bar is constituted；Jack is respectively equipped with the two ends of middle bracket bar；The end of two end frames
Portion's cradling piece is inserted on the jack at middle bracket bar two ends respectively；The supporting plate of superposed end frame is embedded in filtering layer
Interlayer in；Supporting plate positioned at the end frame of bottom is embedded in the interlayer of lower filtering layer；Support on middle bracket bar
Plate is embedded in the interlayer of middle filtering layer.Efficient combination is carried out to three metafiltration nets to fix, and can be realized when changing using filtering layer support
The replacing of single filter screen, without whole replacings, saves maintenance cost；Progress filtering layer phase in each filtering layer is embedded in using supporting plate
To fixation, the parallel support of filtering layer is realized, is to provide spaced slot between filtering layer.
As the further limits scheme of the present invention, permeable hole is provided with the plate face of supporting plate；At the edge of supporting plate
Place is provided with contact pin.Cut-off of the supporting plate to filter water is reduced using permeable hole, is able to ensure that supporting plate is embedded in filtering layer using contact pin
Structural strength prevent be used for a long time occur dislocation movement.
As the further limits scheme of the present invention, between upper filtering layer and middle filtering layer and between middle filtering layer and lower filtering layer
It is equipped with the spaced slot for constituting retaining cavity.Spaced slot is constituted using the support of filtering layer support, so that by upper strata
Uniformly scattered in spaced slot after filtering, filter efficiency can not only be caused higher, and filter screen will not locally be stopped up,
Make the active area of filter screen uniform.
As the further limits scheme of the present invention, fluid sealant is filled with the gap between rhone and rectangle floor drain
Layer.It can prevent gap from seeping water using sealant layer, while also functioning to being relatively fixed between rhone and rectangle floor drain.
The beneficial effects of the present invention are：Using filter core is provided with rectangle floor drain, ponding can effectively be filtered,
Prevent the water-pipe blockage of lower section, it is ensured that drainage efficiency；The quick suction of ponding is realized using negative pressure pump and booster pump and quick
Discharge, effectively ensures drainage efficiency.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is rectangle floor drain overlooking the structure diagram of the invention；
Fig. 3 is filter core end face structure schematic diagram of the invention；
Fig. 4 is filtering layer supporting structure schematic diagram of the invention.
In figure:1st, aircraft bottom plate, 2, rectangle floor drain, 3, drainage tube, 4, rhone, 5, filter core, 6, electromagnetism water check valve, 7, negative
Press pump, 8, booster pump, 9, pressure inlet, 10, negative tube, 11, two-position three way magnetic valve, 12, storage tank, 13, liquid level sensor,
14th, solenoid drain valve, 15, drainpipe, 16, breather pipe, 17, groove, 18, bearing, 19, pitch chain plate, 20, fender rod, 51, upper filter
Layer, 52, middle filtering layer, 53, lower filtering layer, 54, bar hole, 55, filtering layer support, 56, bar shaped shell, 551, end frame bar, 552,
Middle bracket bar, 553, supporting plate, 554, contact pin.
Embodiment
As shown in figure 1, stopping the invention provides a kind of aircraft bottom plate drainage arrangement, including controller, rhone 4, electromagnetism
Water valve 6, two-position three way magnetic valve 11, storage tank 12, liquid level sensor 13, breather pipe 16, negative tube 10, negative pressure pump 7, pressure inlet
9th, booster pump 8, solenoid drain valve 14 and drainpipe 15；
Rhone 4 is the trapezoidal bar-shaped trough in section, and is connected with drainage tube 3 in the trench bottom of rhone 4；In rhone
Rectangle floor drain 2 is installed in 4；Filter core 5 is provided with rectangle floor drain 2；
Electromagnetism water check valve 6 is arranged on drainage tube 3；The lower end of drainage tube 3 is connected to the top of storage tank 12；Liquid level sensor 13
In storage tank 12；
Negative pressure pump 7 is connected to an exit port of two-position three way magnetic valve 11 by negative tube 10；Booster pump 8 passes through pressure inlet 9
It is connected to another exit port of two-position three way magnetic valve 11；The port of entering of two-position three way magnetic valve 11 passes through breather pipe 16 and storage
The stomata at the top of water tank 12 is connected；Drainpipe 15 is connected on the liquid outlet of the bottom of storage tank 12, and solenoid drain valve 14 is installed
On drainpipe 15；
Controller respectively with the circuit for controlling motor of electromagnetism water check valve 6, solenoid drain valve 14, liquid level sensor 13, negative pressure pump 7 with
And the circuit for controlling motor of booster pump 8 is connected.
Further, trough rim is first-class on the both sides of the length direction of rhone 4 is interval with groove 17, and trough rim on both sides
On the position of groove 17 relative to；Fender rod 20 is installed on the groove 17 of corresponding position on the trough rim of both sides.In rhone 4
A bearing 18 is respectively equipped with the both sides of width on trough rim；Pitch chain plate is hinged between adjacent two root guards bar 20
19, and be arranged in the two root guard bars 20 at the two ends of rhone 4 by pitch chain plate 19 be arranged on corresponding position bearing 18 on.
Further, it is trapezoidal bar shaped shell that filter core 5, which includes upper filtering layer 51, middle filtering layer 52, lower filtering layer 53 and section,
56；It is provided with bar hole 54 along its length on the upper side of bar shaped shell 56；Upper filtering layer 51, middle filtering layer 52 and lower filtering layer
53 stack gradually in bar shaped shell 56；The top surface of bar shaped shell 56 highly constitutes first less than the upper trough rim of rhone 4
Layer water leg；Spaced cavities between the upper side of upper filtering layer 51 and the inner top surface of bar shaped shell 56 constitute second layer water storage tank.
Upper filtering layer 51 is big mesh stainless steel filtering net layer laminate；Middle filtering layer 52 is small mesh stainless steel filtering net layer laminate；The lower glass of filtering layer 53
Glass fibrous layer.
Further, upper filtering layer 51, middle filtering layer 52 and lower filtering layer 53 are entered by the filtering layer support 55 of two row array column distributions
Row stacking is installed；Filtering layer support 55 includes two end frames and an intermediate support；End frame by end frame bar 551 with
And be vertically mounted on the supporting plate 553 of the end of end frame bar 551 and constitute；Intermediate support is by middle bracket bar 552 and vertically
Supporting plate 553 installed in the middle part of end frame bar 551 is constituted；Jack is respectively equipped with the two ends of middle bracket bar 552；Two
The end frame bar 551 of end frame is inserted on the jack at the two ends of middle bracket bar 552 respectively；Superposed end frame
Supporting plate 553 be embedded in the interlayer of filtering layer 51；The folder of lower filtering layer 53 is embedded in positioned at the supporting plate 553 of the end frame of bottom
In layer；Supporting plate 553 on middle bracket bar 552 is embedded in the interlayer of middle filtering layer 52.Set in the plate face of supporting plate 553
There is permeable hole；Contact pin 554 is provided with the edge of supporting plate 553.Between upper filtering layer 51 and middle filtering layer 52 and middle filtering layer 52
The spaced slot for constituting retaining cavity is equipped between lower filtering layer 53.Filled out in gap between rhone 4 and rectangle floor drain 2
Filled with sealant layer.
The aircraft bottom plate drainage arrangement that the present invention is provided when in use, as a result of in rectangle floor drain be provided with filter core,
Ponding can effectively be filtered, prevent the water-pipe blockage of lower section, it is ensured that drainage efficiency；Using negative pressure pump and booster pump come real
The quick suction of existing ponding and quick discharge, effectively ensure drainage efficiency；The realization that is designed to using bearing and pitch chain plate is prevented
The fixation of guard bar, while separating for whole fender rods can be achieved in the bearing connection for only needing to remove one end in demolition and maintenance,
It is convenient to take out filter element replacing, maintenance efficiency is improved, while playing lateral locking effect to each root guard bar using pitch chain plate, is prevented
Dislocation and the disengaging from groove, play firm position-limiting action；Efficient combination is carried out using filtering layer support to three metafiltration nets to fix,
And the replacing of single filter screen can be realized when changing, without whole replacings, save maintenance cost；Each is embedded in using supporting plate
Filtering layer is carried out in filtering layer to be relatively fixed, the parallel support of filtering layer is realized, is to provide spaced slot between filtering layer.Using filtering layer support
Support constitutes spaced slot, so as to uniformly be scattered in spaced slot after the filtering by upper strata, can not only cause filtering
Efficiency is higher, and filter screen will not locally be stopped up, and makes the active area of filter screen uniform.
Controller is operated according to the real-time detection of liquid level sensor 13 selection control negative pressure pump 7 or booster pump 8, simultaneously
The selectivity for realizing pipeline by the control of two-position three way magnetic valve 11 is turned on；When liquid level sensor 13 is detected in storage tank 12
Liquid level when exceeding the high water level threshold value of setting, then control electromagnetism water check valve 6 to close closing water route by controller, then control supercharging
Pump 8 works, while 11 conducting pressure inlets 9 of two-position three way magnetic valve and breather pipe 16 are opened, while opening solenoid drain in the lump
Valve 14 carries out supercharging draining, improves water outlet efficiency；When the liquid level that liquid level sensor 13 is detected in storage tank 12 is less than setting
During low level threshold, then control electromagnetism water check valve 6 to open unlatching water route by controller, then control negative pressure pump 7 to work, open simultaneously
11 conducting negative tubes 10 of two-position three way magnetic valve and breather pipe 16, and solenoid drain valve 14 is closed, realize from rhone 4 and bar
Quickly drawn water in shape floor drain 2, prevent ponding；When liquid level sensor 13 detects liquid level in storage tank 12 for a long time less than low
During watermark threshold, then solenoid drain valve 14 is controlled to close by controller, electromagnetism water check valve 6 is opened, in holding state；Lead to simultaneously
The alternating for crossing solenoid drain valve 14 and electromagnetism water check valve 6 is opened or closed, and is ensured that aircraft is isolated from the outside all the time, is prevented due to gas
Pressure acts on flow backwardses.
Claims (9)
1. a kind of aircraft bottom plate drainage arrangement, it is characterised in that：Including controller, rhone（4）, electromagnetism water check valve（6）, two
Three-way magnetic valve（11）, storage tank（12）, liquid level sensor（13）, breather pipe（16）, negative tube（10）, negative pressure pump（7）, supercharging
Pipe（9）, booster pump（8）, solenoid drain valve（14）And drainpipe（15）；
Rhone（4）For the trapezoidal bar-shaped trough in section, and in rhone（4）Trench bottom be connected with drainage tube（3）；
Rhone（4）Rectangle floor drain is inside installed（2）；In rectangle floor drain（2）It is interior to be provided with filter core（5）；
Electromagnetism water check valve（6）Installed in drainage tube（3）On；Drainage tube（3）Lower end be connected to storage tank（12）Top；Liquid level
Sensor（13）Installed in storage tank（12）It is interior；
Negative pressure pump（7）Pass through negative tube（10）It is connected to two-position three way magnetic valve（11）An exit port；Booster pump（8）Pass through
Pressure inlet（9）It is connected to two-position three way magnetic valve（11）Another exit port；Two-position three way magnetic valve（11）Enter port lead to
Cross breather pipe（16）With storage tank（12）The stomata at top is connected；Drainpipe（15）It is connected to storage tank（12）Bottom goes out liquid
On mouth, solenoid drain valve（14）Installed in drainpipe（15）On；
Controller respectively with electromagnetism water check valve（6）, solenoid drain valve（14）, liquid level sensor（13）, negative pressure pump（7）Motor control
Circuit and booster pump processed（8）Circuit for controlling motor be connected.
2. aircraft bottom plate drainage arrangement according to claim 1, it is characterised in that：In rhone（4）The two of length direction
Trough rim is first-class on side is interval with groove（17）, and the groove on both sides on trough rim（17）Position relative to；On the trough rim of both sides
The groove of corresponding position（17）On fender rod is installed（20）.
3. aircraft bottom plate drainage arrangement according to claim 1, it is characterised in that：In rhone（4）The two of width
A bearing is respectively equipped with side on trough rim（18）；In adjacent two root guards bar（20）Between be hinged with pitch chain plate（19）, and row
It is listed in rhone（4）The two root guard bars at two ends（20）Pass through pitch chain plate（19）Bearing installed in corresponding position（18）On.
4. aircraft bottom plate drainage arrangement according to claim 1, it is characterised in that：Filter core（5）Including upper filtering layer（51）, in
Filtering layer（52）, lower filtering layer（53）And section is trapezoidal bar shaped shell（56）；In bar shaped shell（56）Upper side on along its
Length direction is provided with bar hole（54）；Upper filtering layer（51）, middle filtering layer（52）And lower filtering layer（53）Stack gradually installed in bar shaped
Shell（56）It is interior；Bar shaped shell（56）Top surface be less than rhone（4）Upper trough rim highly constitute first layer water leg；Upper filtering layer
（51）Upper side and bar shaped shell（56）Inner top surface between spaced cavities constitute second layer water storage tank.
5. aircraft bottom plate drainage arrangement according to claim 4, it is characterised in that：Upper filtering layer（51）For big mesh stainless steel
Filter screen layer laminate；Middle filtering layer（52）For small mesh stainless steel filtering net layer laminate；Lower filtering layer（53）Glass layer.
6. aircraft bottom plate drainage arrangement according to claim 4, it is characterised in that：Upper filtering layer（51）, middle filtering layer（52）With
And lower filtering layer（53）Pass through the filtering layer support of two row array column distributions（55）Carry out stacking installation；Filtering layer support（55）Including two ends
Portion's support and an intermediate support；End frame is by end frame bar（551）And it is vertically mounted on end frame bar（551）End
The supporting plate in portion（553）Constitute；Intermediate support is by middle bracket bar（552）And it is vertically mounted on end frame bar（551）In
The supporting plate in portion（553）Constitute；In middle bracket bar（552）Two ends be respectively equipped with jack；The end branch of two end frames
Hack lever（551）Middle bracket bar is inserted into respectively（552）On the jack at two ends；The supporting plate of superposed end frame
（553）It is embedded in filtering layer（51）Interlayer in；Positioned at the supporting plate of the end frame of bottom（553）It is embedded in lower filtering layer（53）Folder
In layer；Positioned at middle bracket bar（552）On supporting plate（553）It is embedded in middle filtering layer（52）Interlayer in.
7. aircraft bottom plate drainage arrangement according to claim 6, it is characterised in that：In supporting plate（553）Plate face on set
There is permeable hole；In supporting plate（553）Edge be provided with contact pin（554）.
8. aircraft bottom plate drainage arrangement according to claim 6, it is characterised in that：In upper filtering layer（51）With middle filtering layer（52）
Between and middle filtering layer（52）With lower filtering layer（53）Between be equipped with constitute retaining cavity spaced slot.
9. aircraft bottom plate drainage arrangement according to claim 1, it is characterised in that：In rhone（4）With rectangle floor drain（2）
Between gap in be filled with sealant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510348.9A CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510348.9A CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107264822A true CN107264822A (en) | 2017-10-20 |
| CN107264822B CN107264822B (en) | 2023-05-23 |
Family
ID=60069720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510348.9A Active CN107264822B (en) | 2017-06-28 | 2017-06-28 | Aircraft bottom plate drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107264822B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084183A (en) * | 2018-10-31 | 2018-12-25 | 安徽中烟工业有限责任公司 | A kind of compressed air pipe self-draining arrangement |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495097A (en) * | 2002-09-07 | 2004-05-12 | ����־���пͳ�����˾ | Liquid storage and transmission device |
| US20050230547A1 (en) * | 2004-01-26 | 2005-10-20 | Giamati Michael J | Aircraft drainmast assembly |
| CN101137541A (en) * | 2005-03-10 | 2008-03-05 | 空中客车德国有限公司 | Aircraft structural element provided with a cavity and drainage element |
| CN202719737U (en) * | 2012-09-03 | 2013-02-06 | 广东吉荣空调有限公司 | Plane ground air conditioning unit negative pressure water draining system |
| CN103108804A (en) * | 2010-06-29 | 2013-05-15 | 航空环境公司 | UAV having hermetically sealed modularized compartments and fluid drain ports |
| CN203404604U (en) * | 2013-08-21 | 2014-01-22 | 北京牡丹联友环保科技股份有限公司 | Automatic drainage device for air storage tank |
| CN104691760A (en) * | 2013-12-06 | 2015-06-10 | 波音公司 | Method, system, and device for liquid drainage |
| CN207141410U (en) * | 2017-06-28 | 2018-03-27 | 南京工业职业技术学院 | A kind of aircraft bottom plate drainage arrangement |
-
2017
- 2017-06-28 CN CN201710510348.9A patent/CN107264822B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495097A (en) * | 2002-09-07 | 2004-05-12 | ����־���пͳ�����˾ | Liquid storage and transmission device |
| US20050230547A1 (en) * | 2004-01-26 | 2005-10-20 | Giamati Michael J | Aircraft drainmast assembly |
| CN101137541A (en) * | 2005-03-10 | 2008-03-05 | 空中客车德国有限公司 | Aircraft structural element provided with a cavity and drainage element |
| CN103108804A (en) * | 2010-06-29 | 2013-05-15 | 航空环境公司 | UAV having hermetically sealed modularized compartments and fluid drain ports |
| CN202719737U (en) * | 2012-09-03 | 2013-02-06 | 广东吉荣空调有限公司 | Plane ground air conditioning unit negative pressure water draining system |
| CN203404604U (en) * | 2013-08-21 | 2014-01-22 | 北京牡丹联友环保科技股份有限公司 | Automatic drainage device for air storage tank |
| CN104691760A (en) * | 2013-12-06 | 2015-06-10 | 波音公司 | Method, system, and device for liquid drainage |
| CN207141410U (en) * | 2017-06-28 | 2018-03-27 | 南京工业职业技术学院 | A kind of aircraft bottom plate drainage arrangement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084183A (en) * | 2018-10-31 | 2018-12-25 | 安徽中烟工业有限责任公司 | A kind of compressed air pipe self-draining arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107264822B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105253277B (en) | Submergence assisting system and method for water ballast tanks of air compressor ballast semi-submerged ship | |
| KR102376914B1 (en) | Filtering Apparatus for inlet water | |
| CN206408588U (en) | Sluice sectional water draw device | |
| CN107264822A (en) | A kind of aircraft bottom plate drainage arrangement | |
| CN207141410U (en) | A kind of aircraft bottom plate drainage arrangement | |
| CN206359988U (en) | High slope drainage system | |
| CN106267935A (en) | A kind of riser fiber filter cloth filter tank | |
| CN216102738U (en) | Noise elimination ventilation unit for ocean engineering | |
| CN109083176A (en) | A kind of design has the local Yield rainfall relation system of auxiliary slip casting function | |
| CN209527563U (en) | Collected water storage moisturizing is in the fish jar of one | |
| CN205257097U (en) | Shield constructs quick -witted sewage case | |
| CN208471587U (en) | A kind of separator of underground water and pernicious gas | |
| CN209679579U (en) | Dual-purpose type filter tank | |
| CN208049501U (en) | Sewage self-absorbing filtering device | |
| CN208486350U (en) | A kind of catch-basin of anti-blocking easy to clean | |
| CN105926711A (en) | Novel water-source heat pump water getting system suitable for large-slope riverbed | |
| CN218969878U (en) | Reservoir intercommunication water delivery tunnel overhauls sediment outflow structure | |
| CN115162388B (en) | Foundation pit parallel siphon dewatering device and dewatering construction method | |
| CN205935168U (en) | A scrubbing purifier for municipal drainage pipe road junction | |
| KR20080018195A (en) | Apparatus and method for disturbing gas and liquid during backwash in filter underdrain flumes using dual separation | |
| CN217602711U (en) | Tunnel adverse slope siphon drainage system | |
| CN109353450A (en) | A kind of ship emergency drainage device and method | |
| CN205975936U (en) | Tank deck rainwater reposition of redundant personnel collecting system | |
| CN105604135B (en) | The overflow mechanism of pumping plant circulating cooling water tank | |
| CN217923691U (en) | Prevent open cut deep basal pit drainage structures of jam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |