CN201575912U - Metering unit of tester used for testing flow distribution uniformity of fuel oil main pipe - Google Patents
Metering unit of tester used for testing flow distribution uniformity of fuel oil main pipe Download PDFInfo
- Publication number
- CN201575912U CN201575912U CN2009202708527U CN200920270852U CN201575912U CN 201575912 U CN201575912 U CN 201575912U CN 2009202708527 U CN2009202708527 U CN 2009202708527U CN 200920270852 U CN200920270852 U CN 200920270852U CN 201575912 U CN201575912 U CN 201575912U
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- oil
- switching device
- device shifter
- metering
- metering unit
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Abstract
The utility model belongs to the aero-engine testing technology, and relates to the improvement on a metering unit of a tester used for testing the flow distribution uniformity of the annular fuel oil main pipe of an aviation turbine engine. The metering unit comprises a switching device of the tester, a metering unit oil inlet (1) fixed at the movable part (4) of the switching device, an oil return opening (2) fixed at the motionless part (5) of the switching device, and a metering device (3), and is characterized in that the metering device (3) is composed of an oil collector (6) and an electronic scale (7), wherein the electronic scale (7) is fixed at the motionless part (5) of the switching device; the oil collector (6) is placed on the weighting platform of the electronic scale (7). The metering unit has the advantages of large measurement range, small reading error, no man-made interference and high metering accuracy, thereby meeting the demands in research and development of a novel aero-engine.
Description
Technical field
The utility model belongs to the aeromotor experimental technique, relates to being used for the improvement of aero-turbine annular fuel manifold flow distribution regularity meter metering units.
Background technology
At present, the structure of aero-turbine annular fuel manifold flow distribution regularity meter metering units is referring to Fig. 1, it by the switching device shifter of exerciser, be fixed on the metering units oil-in 1 on the switching device shifter motion parts 4, oil return opening 2 and the measuring apparatus 3 that is fixed on the switching device shifter stationary part 5 formed.When switching device shifter was in the oil return position, metering units oil-in 1 was communicated with oil return opening 2, and when switching device shifter was in gauge position, metering units oil-in 1 was communicated with measuring apparatus 3.Its shortcoming is: said measuring apparatus 3 is measuring cups, and range is little, and reading error is big, is subjected to the artificial interference factor many, and the accuracy of metering can not satisfy the development requirement of novel aeromotor.
Summary of the invention
The purpose of this utility model is: the metering units that is used for aero-turbine annular fuel manifold flow distribution regularity meter that propose that a kind of range is big, reading error is little, be not subjected to artificial interference, metering accuracy is high, and to satisfy the development requirement of novel aeromotor.
The technical solution of the utility model is: be used for the metering units of fuel manifold flow distribution regularity meter, by the switching device shifter of exerciser, be fixed on the metering units oil-in 1 on the switching device shifter motion parts 4, oil return opening 2 and the measuring apparatus 3 that is fixed on the switching device shifter stationary part 5 formed; When switching device shifter was in the oil return position, metering units oil-in 1 was communicated with oil return opening 2, and when switching device shifter was in gauge position, metering units oil-in 1 was communicated with measuring apparatus 3; It is characterized in that, said measuring apparatus 3 is made up of oil intercepter 6 and electronic scales 7, and electronic scales 7 is fixed on the switching device shifter stationary part 5, and oil intercepter 6 is placed on the weighing platform of electronic scales 7, when switching device shifter was in gauge position, metering units oil-in 1 was communicated with oil intercepter 6.
The utility model has the advantages that: range is big, and reading error is little, is not subjected to artificial interference, and the metering accuracy height has satisfied the development requirement of novel aeromotor.
Description of drawings
Fig. 1 is the structural representation of existing a kind of aero-turbine annular fuel manifold flow distribution regularity meter metering units.
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below the utility model is described in further details.Referring to Fig. 2, the metering units that is used for fuel manifold flow distribution regularity meter, by the switching device shifter of exerciser, be fixed on the metering units oil-in 1 on the switching device shifter motion parts 4, oil return opening 2 and the measuring apparatus 3 that is fixed on the switching device shifter stationary part 5 formed; When switching device shifter was in the oil return position, metering units oil-in 1 was communicated with oil return opening 2, and when switching device shifter was in gauge position, metering units oil-in 1 was communicated with measuring apparatus 3; It is characterized in that, said measuring apparatus 3 is made up of oil intercepter 6 and electronic scales 7, and electronic scales 7 is fixed on the switching device shifter stationary part 5, and oil intercepter 6 is placed on the weighing platform of electronic scales 7, when switching device shifter was in gauge position, metering units oil-in 1 was communicated with oil intercepter 6.
Principle of work of the present utility model is: when the exerciser switching device shifter was in non-metering position and is the oil return position, metering units oil-in 1 was communicated with oil return opening 2, the direct oil sump tank of fluid; When the exerciser switching device shifter is in gauge position, metering units oil-in 1 is communicated with oil intercepter 6, fluid enters oil intercepter 6, after continuing a stipulated time, switching device shifter turns back to the oil return position, metering units oil-in 1 is communicated with oil return opening 2, and fluid stops to flow and flowing back to fuel tank to oil intercepter 6.Carry out weighing with the fluid in 7 pairs of oil intercepters 6 of electronic scales, can draw flow value by calculating.
Among the embodiment of the present utility model, electronic scales 7 adopts finished parts.
Claims (1)
1. the metering units that is used for fuel manifold flow distribution regularity meter, by the switching device shifter of exerciser, be fixed on the metering units oil-in [1] on the switching device shifter motion parts [4], oil return opening [2] and the measuring apparatus [3] that is fixed on the switching device shifter stationary part [5] formed; When switching device shifter was in the oil return position, metering units oil-in [1] was communicated with oil return opening [2], and when switching device shifter was in gauge position, metering units oil-in [1] was communicated with measuring apparatus [3]; It is characterized in that, said measuring apparatus [3] is made up of oil intercepter [6] and electronic scales [7], electronic scales [7] is fixed on the switching device shifter stationary part [5], oil intercepter [6] is placed on the weighing platform of electronic scales [7], when switching device shifter was in gauge position, metering units oil-in [1] was communicated with oil intercepter [6].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202708527U CN201575912U (en) | 2009-12-01 | 2009-12-01 | Metering unit of tester used for testing flow distribution uniformity of fuel oil main pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202708527U CN201575912U (en) | 2009-12-01 | 2009-12-01 | Metering unit of tester used for testing flow distribution uniformity of fuel oil main pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575912U true CN201575912U (en) | 2010-09-08 |
Family
ID=42695788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202708527U Expired - Lifetime CN201575912U (en) | 2009-12-01 | 2009-12-01 | Metering unit of tester used for testing flow distribution uniformity of fuel oil main pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507206A (en) * | 2011-10-20 | 2012-06-20 | 中国航空动力机械研究所 | Device for measuring distribution unevenness of fuel nozzles |
| CN102507192A (en) * | 2011-10-31 | 2012-06-20 | 中国航空动力机械研究所 | Test device for flow unevenness of fuel oil main pipe |
-
2009
- 2009-12-01 CN CN2009202708527U patent/CN201575912U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507206A (en) * | 2011-10-20 | 2012-06-20 | 中国航空动力机械研究所 | Device for measuring distribution unevenness of fuel nozzles |
| CN102507206B (en) * | 2011-10-20 | 2015-07-15 | 中国航空动力机械研究所 | Device for measuring distribution unevenness of fuel nozzles |
| CN102507192A (en) * | 2011-10-31 | 2012-06-20 | 中国航空动力机械研究所 | Test device for flow unevenness of fuel oil main pipe |
| CN102507192B (en) * | 2011-10-31 | 2015-05-27 | 中国航空动力机械研究所 | Test device for flow unevenness of fuel oil main pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |