CN207809811U - A kind of tool of discharge aircraft fuel oil precipitation - Google Patents
A kind of tool of discharge aircraft fuel oil precipitation Download PDFInfo
- Publication number
- CN207809811U CN207809811U CN201820047916.6U CN201820047916U CN207809811U CN 207809811 U CN207809811 U CN 207809811U CN 201820047916 U CN201820047916 U CN 201820047916U CN 207809811 U CN207809811 U CN 207809811U
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- China
- Prior art keywords
- extension pipe
- tool
- fuel oil
- oilhole
- aircraft fuel
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Abstract
The utility model provides a kind of tool of discharge aircraft fuel oil precipitation, it, which includes end set, top top, the limiting groove for accommodating non-adsorbed section of leather cup is provided in the middle part of top, the outer diameter of limiting groove is less than the outer diameter of leather cup adsorption section, the outer diameter of adsorption section is equal to the outer diameter of fuel tanker valve, the top oilhole for being provided between limiting groove and being penetrated through in top.Top is inserted into far from top one end in hollow interior extension pipe, interior extension pipe is placed in hollow outer extension pipe and can be axially retractable, outer extension pipe has locking device, the one end of outer extension pipe far from interior extension pipe to be fixed on supporting rack and be provided with weather shield on port adjacent to the end set of interior extension pipe.Solve the problems, such as that the tool of discharge aircraft fuel oil precipitation in the prior art is inconvenient for use and leather cup is easy oil leak with fuel tanker valve contact position and hangs oil, and solving top transition compression makes valve damage, rainwater is easily mixed into when connecing oil, and fuel oil is not easy to dry Railway Project.
Description
Technical field
The utility model is related to space shuttle maintenance tool technical fields, are precipitated more particularly to a kind of discharge aircraft fuel oil
Tool.
Background technology
It will produce fuel oil precipitation in the fuel tank of space shuttle, it is water that fuel oil, which precipitates main component, and water passes through miscellaneous in fuel oil
The modes such as matter, humid air condensation enter fuel tank, and water is deposited in fuel tank so that microbial growth can cause to occur in fuel tank
Microbiologic(al) corrosion can cause to damage to Oiltank structure.Because the density of water is more than fuel oil, moisture can be in the minimum spot deposition of fuel tank, institute
It is mounted on wing lower surface, the minimum point of corresponding each fuel tank with fuel tank draining valve.
Plane discharge fuel oil precipitates work, also known as work of draining the oil, and is one of regular works before Aircraft, prevents fuel tank
The effects that ponding, inspection fuel oil purity and aircraft safety operation are closely bound up.
By taking Air Passenger civil aircraft as an example：Fuel Bleed Valve is normally in wing lower surface and ventral cover board.Wing lower surface
Position is higher (inside 2.3m, outside 3.5m) from the ground for Fuel Bleed Valve, and carries constant slope, and existing product is made a slip of the tongue due to leather cup
User's sight has been blocked greatly, user is made to be difficult to device to hole and scratch covering；Lead to really up to the mark, hardly possible due to being not provided with buffering on leather cup again
It is easy side leakage in fitting covering, fuel oil completely.Secondly as the limitation of tool, work of draining the oil at least needs two people to complete, and uses
Inconvenience, and be easy since the rim of a bowl is excessive to form the extension oil of 5cm radiuses around the Fuel Bleed Valve of aircraft skin lower part, it is not easy to dry,
Leave security risk.Because lower part does not have rain-baffling device, rainwater to be easy to be mixed into sample bottle, inspection result is influenced.
Utility model content
For the above problem in the prior art, the utility model provides a kind of tool of discharge aircraft fuel oil precipitation,
Solve discharge aircraft fuel oil precipitation in the prior art tool is inconvenient for use and leather cup is easy with fuel tanker valve contact position
Oil leak and the problem for hanging oil.
In order to reach foregoing invention purpose, the technical solution adopted in the utility model is as follows：
There is provided a kind of tool of discharge aircraft fuel oil precipitation comprising end set has top top, in top
Portion is provided with the limiting groove for accommodating non-adsorbed section of leather cup, and the outer diameter of limiting groove is less than the outer diameter of leather cup adsorption section, adsorption section
Outer diameter be equal to fuel tanker valve outer diameter, it is top be provided between limiting groove with top in penetrate through oilhole.
Top is inserted into hollow interior extension pipe far from top one end, interior extension pipe be placed in hollow outer extension pipe and
Can be axially retractable, outer extension pipe has locking device adjacent to the end set of interior extension pipe, and outer extension pipe is far from interior extension pipe
One end be fixed on supporting rack and be provided with weather shield on port.
Further, the adsorption section of leather cup is the vacuum cup of multilayer folding type, and the shape of Multilayer foldable can be in skin
Give leather cup one buffering when bowl is bonded with fuel tanker valve, and the adsorption section of leather cup can also be given when being squeezed and be bonded
Locate a reaction force, keeps fitting closer.
Further, the material of the adsorption section of leather cup is soft rubber.Soft rubber material can make leather cup and aircraft oil
The fitting of case valve is more abundant, avoids generating gap and oil leak.
Further, smooth taper surface is provided on the end face that limiting groove is contacted with leather cup adsorption section.
Further, oilhole includes along the spaced bar shaped oilhole in top and round oilhole, and bar shaped oilhole is adjacent to top.
Bar shaped oilhole is for exporting to the oil containing impurity in fuel tank in the endoporus of this tool, and round oilhole will be for that will leak in leather cup
Oil export in the endoporus of this tool.
Further, several are distributed in the periphery of bar shaped oilhole and round oilhole along top, can allow containing miscellaneous
The oil of matter almost without dead angle flows into the endoporus of this tool for 360 °.
Further, hexagon boss is provided between bar shaped oilhole and round oilhole, hexagon boss, which can pass through, to fly
This tool can be hung on the hexagon on fuel tanker valve by the hex hole on sump valve after then rotating slightly
The inside in hole enables leather cup to stablize and be bonded securely with fuel tanker valve, prevents oil excessive.
Further, top tip is ball-shaped, and the design of ball-shaped can be to avoid top and fuel tanker valve not
Covering is scratched when alignment.
Further, the brush of polishing of annular, the top surface for brush of polishing are fixed on the outer wall of limiting groove by ring support
Less than the top surface of limiting groove outer wall.After racking up aircraft fuel oil precipitation, using brush of polishing directly by leather cup and fuel tanker
The extension oil of valve contact position is wiped, and is taken to staff greatly easy to operate.
Further, it is top to be located at top place when complete open-top fuel tanker valve when adsorption section is in compression completely
Below position at 0.8~2 millimeter.It is top head into valve when, leather cup adsorption section is fully compressed back centre can not be by aircraft
Fuel tank valve is completely open-top, since distance only differs 0.8~2 millimeter, is influenced less on the outflow of fuel oil, and can limit top
It excessively stretches into fuel tanker valve, the piston excess compression for causing it internal causes to damage.
The beneficial effects of the utility model are：The outer diameter phase of the leather cup outer diameter used in this tool and fuel tanker valve
Together, avoid allowed since leather cup is excessive around valve generate it is excessive be not easy the extension dried oil, cause security risk；In addition by skin
Bowl is placed in in the limiting groove of top one, and during will come directly towards and fuel tanker valve pushes against, limiting groove is simultaneously
Leather cup can be pushed to be bonded with fuel tanker valve closely, so as to avoid the appearance of oil leakage phenomenon.
Telescopic extension pipe is used in this tool, can adjust extension pipe according to the high flexible of fuel tanker
Length；Supporting rack is used in the bottom of extension pipe and is fixedly supported to ground, an operating personnel may be implemented, row can be completed
The work for putting aircraft fuel oil precipitation has been taken prodigious convenience to operation；The bottom nozzle of extension pipe is provided with weather shield, keeps off the rain
Plate can protect the oil bottle neck for receiving fuel oil precipitation, prevent rainwater from entering, and influence the analysis work precipitated in next step to fuel oil.
Description of the drawings
Fig. 1 is the use schematic diagram for the tool for discharging aircraft fuel oil precipitation.
Fig. 2 is the partial sectional view in the directions A-A in Fig. 1.
Wherein, 1, leather cup；11, non-adsorbed section；12, adsorption section；2, it comes directly towards；21, top；22, limiting groove；221, taper
Face；23, oilhole；231, bar shaped oilhole；232, round oilhole；24, hexagon boss；25, it polishes brush；251, ring support；3、
Interior extension pipe；4, outer extension pipe；5, locking device；6, supporting rack；7, weather shield；8, fuel tanker valve.
Specific implementation mode
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the range of specific implementation mode, to the common skill of the art
For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in,
These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
As shown in Figure 1 and Figure 2, the tool of discharge aircraft fuel oil precipitation includes the top 2 that end set has top 21, top
The tip of point 21 is ball-shaped, and the taper of circular conical surface is corresponding with the conical surface in fuel tanker valve 8.On the cylindrical surface of top 2
The bar shaped oilhole 231 of length in an axial direction there are four being circumferentially uniformly arranged at top 21 bigger diameter end, bar shaped oilhole 231 is in
Perforation in empty top 2, the fuel oil export of precipitation will be carried.It is arranged far from top 21 at one end in bar shaped oilhole 231
There are hexagon boss 24, the appearance and size of hexagon boss 24 to be slightly less than the hexagonal hole on fuel tanker valve 8, hexagon is convex
Platform 24 can pass through hexagon boss 24 by rotating after hexagonal hole and slightly some angles (0 °~60 °, do not include end value)
This tool is entirely hung in fuel tanker valve 8.
Leather cup 1 includes non-adsorbed section 11 and adsorption section 12.Wherein adsorption section 12 is the vacuum cup of multilayer folding type, absorption
The material of section 12 is soft rubber；Non-adsorbed section 11 is vulcanie.The end sleeve of adsorption section 12 is loaded on non-adsorbed section 11.It inhales
Attached section 12 of outer diameter is equal to the outer diameter of fuel tanker valve 8.
The limiting groove 22 for accommodating 1 non-adsorbed section 11 of leather cup is provided at the middle part of top 2, the adsorption section 12 of leather cup 1 reveals
Outside limiting groove 22, and the outer diameter of limiting groove 22 is less than the outer diameter of 1 adsorption section 12 of leather cup.Limiting groove 22 and leather cup 1
It is provided with smooth taper surface 221 on the end face that adsorption section 12 contacts, and has the place of corner angle to need wedge angle rounding, prevents hair
Thorn scratches leather cup.In adsorption section 12 and non-adsorbed section 11 of intersection, i.e. the periphery of the corresponding top in the bottom of adsorption section 12 1
On be uniformly arranged there are four with the perforative round oilhole 232 of 1 endoporus of top, round oilhole 232 will be for that will leak the combustion in leather cup 1
In oily water conservancy diversion to the endoporus of this tool.
When processing the relative position of limiting groove 22 and top 2 need to ensure that 2 open-top fuel tanker valve 8 will be being come directly towards
When, when being placed in the adsorption section 12 of the leather cup 1 in limiting groove 22 in compression completely, top 21 are located at complete open-top fuel tanker
When valve 8 below top 21 position at 0.8~2 millimeter, i.e., top 21 can stretch into the maximum distance in fuel tanker valve 8
Cannot completely open-top fuel tanker valve, apart from its completely it is open-top also need up to stretch into 0.8~2 millimeter again, to prevent from pushing up
Point 21, which excessively stretches into, damages its internal piston in fuel tanker valve 8.
Top 2 is inserted into far from top 21 one end in hollow interior extension pipe 3, and interior extension pipe 3 is placed in hollow outer lengthening
And it can be axially retractable in pipe 4.Outer extension pipe 4 and interior extension pipe 3 are all made of the light composite material of intensity high quality and are made.Outside
It includes corresponding with the outer diameter of outer extension pipe 4 that extension pipe 4 has locking device 5, locking device 5 adjacent to the end set of interior extension pipe 3
Clamping part and can control clamping part clamp and unclamp fastening part.When unclamping fastening part, interior extension pipe 3 and outer lengthening
There is gap between pipe 4, interior extension pipe 3 can be pulled in an axial direction, after reaching appropriate length, locks fastening part, clamping part presss from both sides at this time
The tight and outer extension pipe 4 of extruding, makes to be in close contact between outer extension pipe 4 and interior extension pipe 3, interior extension pipe is prevented by frictional force
The axial movement of 3 outer extension pipes 4 relatively, to achieve the purpose that the inside and outside extension pipe of locking.5 preferred operations of locking device are convenient
And the pipe clamp easily bought.
The one end of outer extension pipe 4 far from interior extension pipe 3 is fixed on supporting rack 6, and supporting rack 6 is the circle of two vertical bendings
Pipe is symmetrically welded at the both sides of one section of internal diameter hollow pipe corresponding with 4 outer diameter of outer extension pipe, and hollow pipe connects with 4 screw thread of outer extension pipe
It connects.Supporting rack 6 coordinates the tool support that the actual angle of fuel tanker valve 8 precipitates entire discharge aircraft fuel oil in ground
On, to mitigate the labor intensity of operating personnel, the position of this tool can be also fixed, is flown with ensureing that top is entered with correct angle
In sump valve.It is provided with weather shield 7 at the connectivity port of outer extension pipe 4 and oil bottle, weather shield 7 is fixedly connected on additional
Long tube 4 prevents rain for the cover shape of top seal to cover the import of oil bottle when stretching into outer extension pipe 4 in oil bottle
Water and other impurities enters in oil bottle.
The brush 25 of polishing of annular is fixed on the outer wall of limiting groove 22 by ring support 251.Since fuel tanker is lived
The end face of door 8 is usually not above that airplane skin is too many, so the top surface for brush 25 of polishing has to be lower than 22 outer wall of limiting groove
Top surface prevents the adsorption section 12 of the interference effect leather cup 1 because of brush 25 of polishing to be compressed to greatest extent.Brush 25 of polishing uses rubber
Material is made, and is connected on ring support 251, passes through circumference uniform distribution between ring support 251 and the outer wall of limiting groove 22
Four round steel pipes connection of welding.
When the tool precipitated using the discharge aircraft fuel oil in the utility model, only an operating personnel is needed to put this tool
It is placed in the lower section of fuel tanker valve 8, the position of range estimation fuel tanker valve 8 adjusts the position of this tool, then unclamps locking
Device 5 extends interior extension pipe 3, and top the 21 of top 2 is made to be passed through in the bellmouth of fuel tanker valve 8, and rotation top 2 makes slightly
Hexagon boss 24 is hung in fuel tanker valve 8, then locks locking device 5.
Since fuel tanker valve 8 is open-top, the fuel oil in fuel tanker enters along bar shaped oilhole 231 in this tool
Then Kong Zhong is flowed into and is connected in the oil bottle of 4 bottom of outer extension pipe.It has fuel oil certainly during whole operation and leaks into leather cup
In 1, due to the setting of round oilhole 232, in the endoporus that the fuel oil water conservancy diversion in leather cup 1 can be entered to this tool, make residual in leather cup 1
The fuel oil stayed is seldom, avoids the spilling of fuel oil when removing this tool.
Claims (10)
1. a kind of tool of discharge aircraft fuel oil precipitation, which is characterized in that there is the top (2) of top (21) including end set,
The limiting groove (22) for accommodating leather cup (1) non-adsorbed section (11), the limiting groove are provided in the middle part of the top (2)
(22) outer diameter is less than the outer diameter of the leather cup (1) adsorption section (12), and the outer diameter of the adsorption section (12) is lived equal to fuel tanker
The outer diameter of door (8) is provided with the oilhole with perforation in the top (2) between top (21) and limiting groove (22)
(23)；
The described one end of top (2) far from top (21) is inserted into hollow interior extension pipe (3), and the interior extension pipe (3) is placed in
And can be axially retractable in hollow outer extension pipe (4), the end set of the neighbouring interior extension pipe (3) of the outer extension pipe (4)
There are locking device (5), the one end of the outer extension pipe (4) far from interior extension pipe (3) to be fixed on supporting rack (6) and set on port
It is equipped with weather shield (7).
2. the tool of discharge aircraft fuel oil precipitation according to claim 1, which is characterized in that the absorption of the leather cup (1)
Section (12) is the vacuum cup of multilayer folding type.
3. the tool of discharge aircraft fuel oil precipitation according to claim 2, which is characterized in that the absorption of the leather cup (1)
The material of section (12) is soft rubber.
4. it is according to claim 3 discharge aircraft fuel oil precipitation tool, which is characterized in that the limiting groove (22) with
It is provided with smooth taper surface (221) on the end face of leather cup (1) adsorption section (12) contact.
5. the tool of discharge aircraft fuel oil precipitation according to claim 1, which is characterized in that the oilhole (23) includes edge
The bar shaped oilhole (231) of (2) axially spaced-apart setting and round oilhole (232) are come directly towards, the bar shaped oilhole (231) is neighbouring top
(21)。
6. the tool of discharge aircraft fuel oil precipitation according to claim 5, which is characterized in that the bar shaped oilhole (231)
Several are distributed in periphery with round oilhole (232) along the top (2).
7. the tool of discharge aircraft fuel oil precipitation according to claim 5, which is characterized in that the bar shaped oilhole (231)
It is provided with hexagon boss (24) between round oilhole (232).
8. the tool of discharge aircraft fuel oil precipitation according to claim 1, which is characterized in that the tip of top (21)
For ball-shaped.
9. the tool of discharge aircraft fuel oil precipitation according to claim 1, which is characterized in that the limiting groove (22)
The brush (25) of polishing of annular is fixed on outer wall by ring support (251), the top surface of the brush (25) of polishing is recessed less than limiting
The top surface of slot (22) outer wall.
10. the tool of discharge aircraft fuel oil precipitation according to claim 3, which is characterized in that at the adsorption section (12)
When complete compression, described top (21) are located at when complete open-top fuel tanker valve (8) 0.8 below top (21) position
At~2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047916.6U CN207809811U (en) | 2018-01-11 | 2018-01-11 | A kind of tool of discharge aircraft fuel oil precipitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820047916.6U CN207809811U (en) | 2018-01-11 | 2018-01-11 | A kind of tool of discharge aircraft fuel oil precipitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207809811U true CN207809811U (en) | 2018-09-04 |
Family
ID=63326783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820047916.6U Expired - Fee Related CN207809811U (en) | 2018-01-11 | 2018-01-11 | A kind of tool of discharge aircraft fuel oil precipitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207809811U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110151A (en) * | 2018-09-12 | 2019-01-01 | 淮北创之社信息科技有限公司 | A kind of airplane fuel precipitate discharging tool |
| CN110911331A (en) * | 2018-09-14 | 2020-03-24 | 东莞市中麒光电技术有限公司 | Suction nozzle convenient for transferring and fixing LED chips and method for transferring and fixing single LED chip on backboard |
| CN111076977A (en) * | 2019-12-31 | 2020-04-28 | 大连长丰实业总公司 | Sampling device of fuel system |
| EP3772463A1 (en) * | 2019-08-08 | 2021-02-10 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
| CN113859557A (en) * | 2021-09-24 | 2021-12-31 | 成都飞机工业（集团）有限责任公司 | Airplane air oil receiving pipe residual oil discharging power assisting device and using method thereof |
-
2018
- 2018-01-11 CN CN201820047916.6U patent/CN207809811U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109110151A (en) * | 2018-09-12 | 2019-01-01 | 淮北创之社信息科技有限公司 | A kind of airplane fuel precipitate discharging tool |
| CN109110151B (en) * | 2018-09-12 | 2020-06-19 | 徐州航空航天技术研究院有限公司 | Aircraft fuel oil deposit-releasing tool |
| CN110911331A (en) * | 2018-09-14 | 2020-03-24 | 东莞市中麒光电技术有限公司 | Suction nozzle convenient for transferring and fixing LED chips and method for transferring and fixing single LED chip on backboard |
| EP3772463A1 (en) * | 2019-08-08 | 2021-02-10 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
| US11814188B2 (en) | 2019-08-08 | 2023-11-14 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
| CN111076977A (en) * | 2019-12-31 | 2020-04-28 | 大连长丰实业总公司 | Sampling device of fuel system |
| CN113859557A (en) * | 2021-09-24 | 2021-12-31 | 成都飞机工业（集团）有限责任公司 | Airplane air oil receiving pipe residual oil discharging power assisting device and using method thereof |
| CN113859557B (en) * | 2021-09-24 | 2023-07-21 | 成都飞机工业（集团）有限责任公司 | Residual oil discharge assisting device for aerial oil receiving pipe of airplane and application method of residual oil discharge assisting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20200111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |