CN111076977A - Sampling device of fuel system - Google Patents
Sampling device of fuel system Download PDFInfo
- Publication number
- CN111076977A CN111076977A CN201911404619.8A CN201911404619A CN111076977A CN 111076977 A CN111076977 A CN 111076977A CN 201911404619 A CN201911404619 A CN 201911404619A CN 111076977 A CN111076977 A CN 111076977A
- Authority
- CN
- China
- Prior art keywords
- oil guide
- oil
- pipe
- thick pipe
- needle
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a sampling device of a fuel system, which comprises: the device comprises a sealing leather cup, an oil ejecting needle, a connecting plate, an oil guide thick pipe, an oil guide thin pipe and a control switch valve; the oil guide thick pipe is of a hollow structure formed by sequentially butting a first circular table section, a first cylindrical section, a second circular table section and a second cylindrical section; the sealing leather cup is coaxially fixed at the end part of the large-diameter end of the first circular table section of the oil guide thick pipe; the oil jacking needle is fixed on the inner circumferential surface of the first round table section of the oil guide thick pipe through a connecting plate; one end of the oil guide thin pipe is coaxially connected with the end part of the second cylindrical section of the oil guide thick pipe; the control switch valve is arranged at the other end of the oil guide thin tube and is used for throttling liquid in the oil guide thin tube and controlling the opening and closing of the oil guide thin tube; the invention can realize quick assembly and disassembly, improve the working efficiency and simplify the working difficulty.
Description
Technical Field
The invention belongs to the technical field of aviation equipment, and particularly relates to a sampling device of a fuel system.
Background
At present, the airplane does not have a regular fuel system sampling device, and only uses a traditional fuel oil precipitation device for replacement, thereby bringing great inconvenience to work.
The locomotive crew needs to frequently perform deposit, sampling and testing work in the field use and maintenance, the repeated workload is large, the qualified probability of fuel oil sampled every time is low, the influence of sand blown catkin is large, the sampling work needs to be performed for many times, and the work efficiency is greatly reduced; simultaneously because the body of traditional fuel put sediment device is thicker, the sample connection is big than the diameter of sampling bottle, has increased the degree of difficulty for sample work, causes the fuel to splash moreover easily.
Disclosure of Invention
In view of this, the invention provides a sampling device of a fuel system, which can be quickly assembled and disassembled, improve the working efficiency and simplify the working difficulty.
The invention is realized by the following technical scheme:
a sampling device for a fuel system, comprising: the device comprises a sealing leather cup, an oil ejecting needle, a connecting plate, an oil guide thick pipe, an oil guide thin pipe and a control switch valve;
the oil guide thick pipe is of a hollow structure formed by sequentially butting a first circular table section, a first cylindrical section, a second circular table section and a second cylindrical section, the small diameter end of the first circular table section is butted with one end of the first cylindrical section, and the large diameter end of the second circular table section is butted with the other end of the first cylindrical section;
the sealing leather cup is coaxially fixed at the end part of the large-diameter end of the first circular table section of the oil guide thick pipe;
the diameter of the oil jacking needle is the same as that of a deposit valve of the airplane; the oil ejecting needles are fixed on the inner circumferential surface of the first round table section of the oil guide thick pipe through more than two connecting plates which are uniformly distributed along the circumferential direction of the oil ejecting needles, the oil ejecting needles and the oil guide thick pipe are coaxially distributed, and the tops of the oil ejecting needles extend out of the end surface of the oil guide thick pipe but do not extend out of the end surface of the large-diameter end of the sealing leather cup;
one end of the oil guide thin pipe is coaxially connected with the end part of the second cylindrical section of the oil guide thick pipe;
the control switch valve is installed at the other end of the oil guide thin tube and used for throttling liquid in the oil guide thin tube and controlling the opening and closing of the oil guide thin tube.
Further, when the device is stored, the device also comprises a protective blocking cap which is sleeved at the end part of the oil guide thin tube; when the device is in operation, the protective blanking cap is removed.
Further, the sealing leather cup is of a circular truncated cone-shaped annular structure; the small-diameter end of the sealing leather cup is fixedly connected with the end part of the oil guide thick pipe.
Furthermore, a horizontal plate perpendicular to the oil jacking needle is installed at the top of the oil jacking needle, and the top of the oil jacking needle extends out of the horizontal plate.
Furthermore, both ends of each connecting plate are fixedly connected with the oil ejecting needle and the oil guide thick pipe through welding.
Has the advantages that: the oil jacking needle is directly contacted with a precipitation valve of an airplane to jack the one-way valve of the airplane; the oil guide thick pipe plays a role in drainage, and the oil guide thin pipe plays a role in throttling and controlling a switch; compared with the original fuel oil system precipitation device used as a sampling device, the device has the advantages of simple structure, simple and convenient operation and high working efficiency; the horizontal plate can be supported on the deposit opening of the airplane for a long time; the method is still suitable for severe environments such as sand blown in the outfield and catkin, and improves the working environment of crew.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
the device comprises a sealing leather cup 1, an oil ejecting needle 2, an oil guide thick pipe 3, an oil guide thin pipe 4, a control switch valve 5, a protective plugging cap 6, a connecting plate 7 and a horizontal plate 8.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The present embodiment provides a sampling device for a fuel system, referring to fig. 1-2, comprising: the device comprises a sealing leather cup 1, an oil ejecting needle 2, a connecting plate 7, an oil guide thick pipe 3, an oil guide thin pipe 4, a control switch valve 5 and a protective plugging cap 6;
the oil guide thick pipe 3 is of a hollow structure formed by sequentially butting a first circular table section, a first cylindrical section, a second circular table section and a second cylindrical section, the small-diameter end of the first circular table section is butted with one end of the first cylindrical section, and the large-diameter end of the second circular table section is butted with the other end of the first cylindrical section;
the sealing leather cup 1 is made of soft rubber, and the sealing leather cup 1 is in a circular truncated cone-shaped annular structure; the small-diameter end of the sealing leather cup 1 is coaxially fixed at the large-diameter end part of the first circular table section of the oil guide thick pipe 3, and the small-diameter end and the large-diameter end are in interference fit;
the diameter of the oil jacking needle 2 is the same as that of a deposit valve of an airplane; the oil ejecting needle 2 is fixed on the inner circumferential surface of the first round section of the oil guide thick pipe 3 through three connecting plates 7 which are uniformly distributed along the circumferential direction of the oil ejecting needle, the oil ejecting needle 2 and the oil guide thick pipe 3 are coaxially distributed, and the top of the oil ejecting needle 2 extends out of the end surface of the oil guide thick pipe 3 but does not extend out of the end surface of the large-diameter end of the sealing leather cup 1; the top of the oil jacking needle 2 is provided with a horizontal plate 8 vertical to the oil jacking needle, and the top of the oil jacking needle 2 extends out of the horizontal plate 8; two ends of each connecting plate 7 are fixedly connected with the oil jacking needle 2 and the oil guide thick pipe 3 through welding;
one end of the oil guide thin tube 4 is coaxially opposite to the end part of the second cylindrical section of the oil guide thick tube 3 and is connected with the end part of the second cylindrical section through a screw cap;
the other end part of the oil guide thin tube 4 is sleeved with a protective plugging cap 6, and the protective plugging cap are in interference fit; when the device is stored, the protective blocking cap 6 is used for preventing external dust and impurities from entering the oil guide thin tube 4, and when the device works, the protective blocking cap 6 needs to be taken down;
the control switch valve 5 is installed on the oil guide thin tube 4 and used for throttling liquid in the oil guide thin tube 4 and controlling the opening and closing of the oil guide thin tube 4.
The working principle is as follows: the oil guide thin tube 4 is controlled to be closed by controlling the switch valve 5; the oil jacking needle 2 is aligned with the deposit valve of the airplane, so that the top of the oil jacking needle 2 is directly contacted with the deposit valve of the airplane; an oil receiving device is arranged at the outlet of the oil guide thin tube 4;
the oil ejecting needle 2 is pushed upwards with force, and after the deposit-releasing valve is opened, the oil ejecting needle 2 is rotated by 90 degrees, so that the horizontal plate 8 is clamped on a supporting component of a deposit-releasing port of the airplane, and the sampling device is supported; the fuel in the fuel system enters the oil guide thick pipe 3 and then enters the oil guide thin pipe 4, and finally the oil guide thin pipe 4 is controlled to be opened through the control switch valve 5, and the fuel enters the oil receiving device.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A sampling device for a fuel system, comprising: the device comprises a sealing leather cup (1), an oil ejecting needle (2), a connecting plate (7), an oil guide thick pipe (3), an oil guide thin pipe (4) and a control switch valve (5);
the oil guide thick pipe (3) is of a hollow structure formed by sequentially butting a first circular table section, a first cylindrical section, a second circular table section and a second cylindrical section, the small-diameter end of the first circular table section is butted with one end of the first cylindrical section, and the large-diameter end of the second circular table section is butted with the other end of the first cylindrical section;
the sealing leather cup (1) is coaxially fixed at the end part of the large-diameter end of the first circular table section of the oil guide thick pipe (3);
the diameter of the oil jacking needle (2) is the same as that of a deposit valve of an airplane; the oil ejecting needles (2) are fixed on the inner circumferential surface of the first circular truncated cone section of the oil guide thick pipe (3) through more than two connecting plates (7) which are uniformly distributed along the circumferential direction of the oil ejecting needles, the oil ejecting needles (2) and the oil guide thick pipe (3) are coaxially distributed, and the top of each oil ejecting needle (2) extends out of the end surface of the oil guide thick pipe (3) but does not extend out of the end surface of the large-diameter end of the sealing leather cup (1);
one end of the thin oil guide pipe (4) is coaxially connected with the end part of the second cylindrical section of the thick oil guide pipe (3);
the control switch valve (5) is installed at the other end of the oil guide thin pipe (4) and used for throttling liquid in the oil guide thin pipe (4) and controlling the opening and closing of the oil guide thin pipe (4).
2. The sampling device of a fuel system according to claim 1, characterized in that it further comprises a protective cap (6) when the device is stored, the protective cap (6) being fitted over the end of the oil-conducting tube (4); when the device works, the protective plugging cap (6) is taken down.
3. The sampling device of a fuel system according to claim 1, characterized in that the sealing cup (1) is a circular truncated cone-shaped ring structure; the small-diameter end of the sealing leather cup (1) is fixedly connected with the end part of the oil guide thick pipe (3).
4. A sampling device for a fuel system according to claim 1, characterized in that the top of the needle (2) is fitted with a horizontal plate (8) perpendicular thereto, and the top of the needle (2) protrudes from the plate (8).
5. The sampling device of a fuel system as recited in claim 1, characterized in that both ends of each connecting plate (7) are fixedly connected with the oil ejecting needle (2) and the oil guiding thick pipe (3) by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404619.8A CN111076977A (en) | 2019-12-31 | 2019-12-31 | Sampling device of fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911404619.8A CN111076977A (en) | 2019-12-31 | 2019-12-31 | Sampling device of fuel system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111076977A true CN111076977A (en) | 2020-04-28 |
Family
ID=70320179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911404619.8A Pending CN111076977A (en) | 2019-12-31 | 2019-12-31 | Sampling device of fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111076977A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362389A (en) * | 2020-09-22 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Aviation fuel oil sampler and sampling method |
-
2019
- 2019-12-31 CN CN201911404619.8A patent/CN111076977A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362389A (en) * | 2020-09-22 | 2021-02-12 | 成都飞机工业（集团）有限责任公司 | Aviation fuel oil sampler and sampling method |
| CN112362389B (en) * | 2020-09-22 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | Aviation fuel oil sampler and sampling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111076977A (en) | Sampling device of fuel system | |
| CN211927353U (en) | Sampling device of fuel system | |
| US11779941B2 (en) | Sealing valve, and liquid outlet structure comprising same | |
| CN104857832A (en) | Absorption device of hydrogen sulfide gas | |
| CN204882551U (en) | Novel a membrane section of thick bamboo is held in soil test | |
| CN105571893A (en) | Closed sampling device with fast connectors | |
| CN102042919A (en) | Gas sampler | |
| CN204371822U (en) | One holds out against cylinder | |
| CN201514338U (en) | Negative-pressure liquid pipeline sampling device | |
| CN106592705B (en) | Double-sealing non-negative pressure water supply vacuum suppressor | |
| CN203241189U (en) | Environmentally-friendly pressure gauge joint | |
| CN204922097U (en) | Air bleeding valve on distributor | |
| CN211347510U (en) | Air dispersion ring for powder sampler | |
| CN210771001U (en) | Pipeline detects portable intelligent camera | |
| CN211652171U (en) | Transformer on-load tap changer insulating oil sampling device | |
| CN202350973U (en) | Pressure gauge seat capable of automatically preventing leakage | |
| CN202145203U (en) | Solid phase extraction device | |
| CN205868322U (en) | Multifunctional chemical experimental group attaches together and puts | |
| CN100460733C (en) | Automatic high-pressure exhaust valve | |
| CN217424891U (en) | Fixed sampling structure of positive pressure high sulfur dioxide flue gas | |
| CN203786094U (en) | Capillary column switching device | |
| CN209335551U (en) | A kind of electromagnetism valve replacing apparatus | |
| CN209564637U (en) | One kind being used for extraction container support device | |
| CN103267198A (en) | Handy oil extraction valve for transformers | |
| CN206725294U (en) | The sampling gun of adjustable sample position |
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 |