CN113418689A - Measuring tool for detecting injection direction of fuel spray rod - Google Patents
Measuring tool for detecting injection direction of fuel spray rod Download PDFInfo
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- CN113418689A CN113418689A CN202110739988.3A CN202110739988A CN113418689A CN 113418689 A CN113418689 A CN 113418689A CN 202110739988 A CN202110739988 A CN 202110739988A CN 113418689 A CN113418689 A CN 113418689A
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- 239000000446 fuel Substances 0.000 title claims abstract description 110
- 239000007921 spray Substances 0.000 title claims abstract description 102
- 238000002347 injection Methods 0.000 title abstract description 13
- 239000007924 injection Substances 0.000 title abstract description 13
- 238000003825 pressing Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
A measuring tool for detecting the injection direction of a fuel spray rod comprises: a base plate and a target assembly; support plates are arranged on two sides of the bottom plate, and the target piece assembly can be slidably mounted on the support plates; a vernier assembly used for positioning the sliding position of the target assembly is arranged on the bottom plate; and a fixed support used for supporting the upper head end of the fuel spray rod and a sliding support used for supporting the upper tail end of the fuel spray rod are arranged in the middle of the bottom plate. The fuel spray rods with different specifications are tested, the vernier assembly and the target piece assembly matched structure which is slidably mounted are adopted, the adjustment and the accurate positioning of the position of the target piece are realized, the fuel spray rods are supported in a sliding support and fixed support matched mode, and the test requirements of the fuel spray rods with different lengths can be met by adjusting the sliding support.
Description
Technical Field
The invention relates to the technical field of fuel injection direction measuring tools, in particular to a measuring tool for detecting the injection direction of a fuel spray rod.
Background
The aircraft engine fuel main pipe is provided with a plurality of fuel spray rods (as shown in figure 1) which are distributed in a radial shape, and because the positions and the product types of the fuel spray rods have different sizes, a plurality of fuel spray holes are distributed on the rod body of each fuel spray rod and are used for spraying fuel. The direction of fuel sprayed from the fuel spray holes needs to be checked in the manufacturing process of the fuel spray rod. Generally, under a certain pressure, the fuel ejected from the fuel injection hole can smoothly pass through a certain diameter detection hole which is at a certain distance from the fuel injection hole, and the fuel injection direction is qualified.
The traditional measuring tool has the measuring principle that: the spray rod is fixed in the middle of the measuring tool, target plates are arranged at different positions of two sides of the spray rod at a certain distance from the fuel spray rod and used for detecting fuel spray holes at different positions on the fuel spray rod, and one or a plurality of detection holes are formed in each target plate. The existing measuring tool target sheet is usually arranged at a fixed position on a bottom plate, and the position of the target sheet cannot be accurately adjusted according to fuel spray rods of different specifications, so that the existing measuring tool can only meet the detection of the fuel spray rods of single specification and cannot meet the detection of the fuel spray rods of different specifications. In addition, because the fuel spray rods of different specifications often have different lengths, or both ends possess different diameters, adopt current measuring tool to be difficult to satisfy the installation of different specification fuel spray rods.
Disclosure of Invention
The invention mainly aims to provide a measuring tool for detecting the injection direction of a fuel spray rod, and aims to solve the technical problem.
In order to achieve the above object, the present invention provides a measuring tool for detecting the injection direction of a fuel spray rod, comprising: a base plate and a target assembly; support plates are arranged on two sides of the bottom plate, and the target piece assembly can be slidably mounted on the support plates; a vernier assembly used for positioning the sliding position of the target assembly is arranged on the bottom plate; and a fixed support used for supporting the upper head end of the fuel spray rod and a sliding support used for supporting the upper tail end of the fuel spray rod are arranged in the middle of the bottom plate.
Preferably, the target plate assembly comprises a target plate, a target plate clamping block and a locking bolt; the lower end of the target sheet can be movably inserted into the target sheet clamping block; one side of the target sheet clamping block is provided with a sliding tenon; a sliding groove matched with the sliding tenon is formed in one side surface of the support plate; and the other side surface of the support plate is provided with a shaped hole which is parallel to the sliding groove and communicated with the sliding groove, and the locking bolt penetrates through the shaped hole to be connected with the target piece clamping block. The target sheet is provided with a detection hole. The target plate is inserted on the target plate clamping block in a movable inserting mode, so that different target plates can be replaced conveniently to be used for detecting fuel spray rods of different specification series. And the target piece clamping block which is moved in place can be locked by screwing the locking bolt, so that the position of the target piece assembly is locked.
Preferably, a waist-shaped hole is formed in the target plate, and a stop pin penetrating through the waist-shaped hole is arranged on the target plate clamping block. In addition, the stop pin can limit the target plate, so that the target plate can move up and down in the target plate clamping block and does not fall off.
Preferably, the vernier assembly comprises a scale guide block and a vernier block which can be slidably mounted on the scale guide block; scale marks are respectively arranged on the scale guide block and the cursor block; the lower end of the target plate penetrates through the target plate clamping block and is inserted on the cursor block. The scale guide block and the vernier block can accurately read the position of the vernier block by utilizing the reading principle of the vernier caliper so as to accurately position the vernier assembly. The specific positioning operation process is as follows: firstly, the locking bolt is loosened, so that the target piece clamping block is in an unlocked state, the lower end of the target piece is inserted into the vernier block at the moment, the position of the vernier block is adjusted by utilizing the reading principle of the vernier caliper, the vernier block drives the target piece and the target piece clamping block to slide, after the target piece is adjusted in place, the target piece clamping block can be locked by screwing the locking bolt, and then the target piece assembly is accurately positioned. And then lifting the target plate to be drawn out from the cursor block, moving the cursor block to another target plate assembly to be positioned, and repeating the operation.
Preferably, sliding bosses are arranged on two sides of the lower part of the cursor block; a vernier sliding groove matched with a sliding boss at one side of the vernier block is arranged on the scale guide block; and a cursor guide groove matched with the sliding boss on the other side of the cursor block is arranged on the support plate. Through setting up vernier spout, vernier guide way and the slip boss matched with sliding structure of vernier piece both sides plays to compress tightly the guide effect to the vernier piece, guarantees that the vernier piece slides in order to form accurate positioning to the target piece subassembly.
Preferably, a T-shaped groove is formed in the bottom plate, and the cursor block is connected with the T-shaped groove through a bolt and a nut for the T-shaped groove. By adopting the structure, the situation that the sliding block slides out of the bottom plate due to over-force during sliding of the cursor block can be avoided.
Preferably, the fixed support and the bottom plate are detachably connected, the fixed support is provided with a series of jacking holes with different diameters, the head end of the fuel spray rod is inserted into the jacking holes, and the fixed support is provided with a bolt inserted into a positioning hole at the head end of the fuel spray rod. When the fuel spray rods with different specifications are tested, the fixing support with the diameter of the top connecting hole matched with the diameter of the upper head end of the fuel spray rod to be detected is selected to be installed on the base plate, and the fixing support and the base plate are connected in a detachable mode, so that the fixing support with the top connecting holes with different diameters can be replaced conveniently to adapt to the fuel spray rods with different specifications.
Preferably, support guide pressing plates are arranged on two sides of the sliding support, a pressing shoulder is arranged on the sliding support, and a pressing groove matched with the pressing shoulder is arranged on the support guide pressing plates. The relative indent of two direction clamp plates has formed sliding support's sliding tray, and indent pressure shoulder matched with structure has formed sliding support's compressing tightly guide structure.
Preferably, the sliding support and the bottom plate are connected by a T-shaped groove through bolts and nuts. By adopting the structure, the situation that the sliding support slides out of the bottom plate due to over-violent force during sliding can be avoided.
Preferably, the sliding support is provided with an adapter, the tail end of the fuel spray rod is inserted into the left end of the adapter, and a sealing gasket is arranged between the adapter and the tail end of the fuel spray rod; a compression nut is sleeved on the adapter, the compression nut is of a hollow structure with an opening at the left end, and a clamping ring is arranged on the adapter and close to the bottom wall of an inner cavity of the compression nut; and the compression nut is in threaded connection with the sliding support. When testing different specification fuel spray lance, rotatory and the tail end diameter assorted adapter of the fuel spray lance that awaits measuring is installed on sliding support, adapter one end is passed the sliding support top on fuel spray lance's tail end terminal surface, gland nut that screws promotes the snap ring and makes the adapter tightly support the tail end of fuel spray lance and serve and seal through sealed the pad, the other end and the test equipment of adapter are connected, insert experimental pressure medium and can test. Different adapters are used for meeting the requirement of adapting to fuel spray rods with different specifications for testing.
The invention achieves the following beneficial effects: the fuel spray rods with different specifications are tested, the vernier assembly and the target piece assembly matched structure which is slidably mounted are adopted, the adjustment and the accurate positioning of the position of the target piece are realized, the fuel spray rods are supported in a sliding support and fixed support matched mode, and the test requirements of the fuel spray rods with different lengths can be met by adjusting the sliding support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a fuel spray bar on an aircraft engine fuel manifold;
FIG. 2 is a schematic perspective view of a measuring tool for detecting the injection direction of a fuel spray rod provided by the invention;
FIG. 3 is a front view of a measuring tool for detecting the direction of fuel spray from a fuel spray bar according to the present invention;
FIG. 4 is a top view of a measuring tool for detecting the direction of fuel spray from a fuel spray bar according to the present invention;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 7 is a schematic structural diagram of a target sheet in a measuring tool for detecting the injection direction of a fuel spray rod provided by the invention;
the reference numbers illustrate: 1-a bottom plate; 11-T-shaped groove; 2-fixing a support; 21-butting hole; 3-a sliding support; 31-shoulder pressing; 4-pressing the nut; 5-an adapter; 51-a snap ring; 52-a seal pad; 6-a nut; 7-bolts for T-shaped grooves; 8-a bolt; 9-a support guide pressure plate; 91-pressing a groove; 10-a scale guide block; 101-a cursor chute; 12-a support plate; 121-a chute; a 122-type hole; 123-a cursor guide groove; 13-cursor block; 131-a sliding boss; 14-target plate fixture block; 141-a sliding tenon; 15-target sheet; 151-detection holes; 152-kidney shaped hole; 16-a locking bolt; 17-a stop pin; 18-a fuel spray bar; 181-head end; 182-tail end; 183-spraying holes; 184-oil channel; 185-locating holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
As shown in fig. 1, which is a schematic structural diagram of a fuel spray bar 18 on a fuel main pipe of an aircraft engine, a head end 181 is arranged at the left end of a rod body of the fuel spray bar 18, a tail end 182 is arranged at the right end of the rod body, an oil passage 184 is arranged inside the rod body of the fuel spray bar 18, a plurality of oil spray holes 183 are distributed on the rod body for spraying fuel, and a positioning hole 185 is arranged at the head end 181 at the left end of the rod body for mounting and positioning. Due to the fact that the fuel spray bars 18 are installed on the fuel main pipe of the aircraft engine at different positions and different product types, different size specifications exist, namely the fuel spray bars 18 have different length series, or the diameter phi D1 of the head end 181 has different diameter series, or the diameter phi D2 of the tail end 182 has different diameter series.
Fig. 2 shows an embodiment of a measuring tool for detecting the injection direction of a fuel spray rod according to the present invention, which includes: a base plate 1 and a target assembly; support plates 12 are arranged on two sides of the bottom plate 1, the support plates 12 on the left side and the right side are parallel to the central line of the bottom plate 1 and have equal distances to the center of the bottom plate 1, and the distances are L. The target assembly is slidably mounted on the support plate 12; a vernier assembly used for positioning the sliding position of the target sheet assembly is arranged on the bottom plate 1; a fixed support 2 for supporting the upper head end 181 of the fuel spray rod 18 and a sliding support 3 for supporting the upper tail end 182 of the fuel spray rod 18 are arranged in the middle of the bottom plate 1.
As shown in fig. 6 and 7, in the present embodiment, the target assembly includes a target 15, a target block 14 and a locking bolt 16; the lower end of the target sheet 15 can be movably inserted into the target sheet clamping block 14; a sliding tenon 141 is arranged on one side of the target plate fixture block 14; a sliding groove 121 matched with the sliding tenon 141 is arranged on one side surface of the support plate 12; and the other side surface of the support plate 12 is provided with a shaped hole 122 which is parallel to the sliding groove 122 and communicated with the sliding groove 121, and the locking bolt 16 passes through the shaped hole 122 to be connected with the target plate fixture block 14. The target 15 is provided with a detection hole 151. The target sheet 15 is inserted in the target sheet clamping block 14 in a movable inserting mode, so that different target sheets 15 can be replaced conveniently to detect the fuel spray rods 18 of different specification series. Tightening the locking bolt 16 locks the target holder 14 after it has been moved into position, thereby locking the position of the target assembly.
In this embodiment, the target 15 is provided with a waist-shaped hole 152, and the target block 14 is provided with a stop pin 17 penetrating through the waist-shaped hole 152. In addition, the stop pin 17 can limit the target plate 15, so that the target plate 15 can move up and down in the target plate clamping block 14 without falling off.
As shown in fig. 2, 4 and 6, in the present embodiment, the cursor assembly includes a scale guide 10 and a cursor block 13 slidably mounted on the scale guide 10; scale marks are respectively arranged on the scale guide block 10 and the cursor block 13; the lower end of the target sheet 15 passes through the target sheet fixture block 14 and is inserted on the cursor block 13. The scale guide block 10 and the vernier block 13 can accurately read the position of the vernier block 13 by using the vernier caliper reading principle, so as to accurately position the vernier assembly. The specific positioning operation process is as follows: firstly, the locking bolt 16 is loosened to enable the target piece fixture block 14 to be in an unlocked state, then the lower end of the target piece 15 is inserted into the vernier block 13, the position of the vernier block 13 is adjusted by utilizing the vernier caliper reading principle, the vernier block 13 drives the target piece 15 and the target piece fixture block 14 to slide, after the target piece 15 is adjusted in place, the target piece fixture block 14 can be locked by screwing the locking bolt 16, and then the target piece assembly is accurately positioned. And then lifting the target sheet 15 to be drawn out from the cursor block 13, moving the cursor block 13 to another target sheet assembly needing to be positioned, and repeating the operation.
In this embodiment, sliding bosses 131 are provided on both sides of the lower portion of the cursor block 13; a vernier sliding groove 101 matched with a sliding boss 131 at one side of the vernier block 13 is arranged on the scale guide block 10; the support plate 12 is provided with a cursor guide groove 123 which is matched with the sliding boss 131 on the other side of the cursor block 13. Through setting up vernier spout 101, vernier guide way 123 and the sliding structure of sliding boss 131 matched with of cursor block 13 both sides plays to compress tightly the guide effect to cursor block 13, guarantees that cursor block 13 precision slip forms the accurate positioning in order to the target piece subassembly.
In this embodiment, a T-shaped groove 11 is formed in the bottom plate 1, and the cursor block 13 is connected with the T-shaped groove 11 through a T-shaped groove bolt 7 and a T-shaped nut 6. By adopting the structure, the situation that the sliding block 13 slides out of the bottom plate 1 due to over-force during sliding the cursor block 13 can be avoided.
Referring to fig. 2 and 5, the fixing support 2 is detachably connected to the base plate 1, a series of abutting holes 21 with different diameters are formed in the fixing support 2, the head end 181 of the fuel spray bar 18 is inserted into the abutting holes 21, and a bolt 8 is arranged on the fixing support 2 and inserted into a positioning hole 185 formed in the head end 181 of the fuel spray bar 18. When testing the fuel spray rods 18 of different specifications, the fixing support 2 with the diameter of the abutting hole 21 matched with the diameter of the head end 181 of the fuel spray rod 18 to be detected is selected to be installed on the base plate 1, and the fixing support 2 and the base plate 1 are connected in a detachable mode, so that the fixing support 2 with the abutting holes 21 of different diameters can be replaced conveniently to adapt to the fuel spray rods 18 of different specifications.
In this embodiment, two sides of the sliding support 3 are provided with support guide pressing plates 9, the sliding support 3 is provided with a pressing shoulder 31, and the support guide pressing plates 9 are provided with pressing grooves 91 matched with the pressing shoulder 31. The opposite press grooves 91 of the two guide press plates 9 form the sliding grooves of the sliding support 3, and the matched structures of the press shoulders 31 of the press grooves 91 form the pressing guide structures of the sliding support 3.
In the embodiment, the sliding support 3 is connected with the bottom plate 1 by a T-shaped groove, and the T-shaped groove is connected with a bolt 7 and a nut 6. By adopting the structure, the situation that the sliding support 3 slides out of the bottom plate 1 due to over-force during sliding can be avoided.
As shown in fig. 5, in the present embodiment, an adapter 5 is provided on the sliding support 3, a tail end 182 of the fuel spray rod 18 is inserted into a left end of the adapter 5, and a gasket 52 is provided between the adapter 5 and the tail end 182 of the fuel spray rod 18; a compression nut 4 is sleeved on the adapter 5, the compression nut 4 is of a hollow structure with an opening at the left end, and a clamping ring 51 is arranged on the adapter 5 and close to the bottom wall of an inner cavity of the compression nut 4; the compression nut 4 is in threaded connection with the sliding support 3. When testing different specification fuel spray lance 18, rotatory and the examination of awaiting measuring fuel spray lance 18's tail end 182 diameter assorted adapter 5 is installed on sliding support 3, adapter 5 one end is passed sliding support 3 and is pushed up on fuel spray lance 18's tail end 182 terminal surface, gland nut 4 that screws promotes snap ring 51 makes adapter 5 tightly support and seal up and through sealed pad 52 on fuel spray lance 18's tail end, adapter 5's the other end is connected with test equipment, insert experimental pressure medium and can test. Different adapters 5 are used to meet the requirements of adapting to different specifications of fuel spray bars 18 for testing.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A survey utensil for detecting fuel spray lance sprays direction which characterized in that includes: a base plate (1) and a target assembly; support plates (12) are arranged on two sides of the bottom plate (1), and the target assembly can be slidably mounted on the support plates (12);
a vernier assembly used for positioning the sliding position of the target assembly is arranged on the bottom plate (1);
a fixed support (2) used for supporting the upper head end (181) of the fuel spray rod (18) and a sliding support (3) used for supporting the upper tail end (182) of the fuel spray rod (18) are arranged in the middle of the bottom plate (1).
2. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 1, wherein: the target piece assembly comprises a target piece (15), a target piece clamping block (14) and a locking bolt (16);
the lower end of the target plate (15) can be movably inserted into the target plate clamping block (14);
a sliding tenon (141) is arranged on one side of the target sheet clamping block (14);
a sliding groove (121) matched with the sliding tenon (141) is arranged on one side surface of the support plate (12); and the other side surface of the support plate (12) is provided with a shaped hole (122) which is parallel to the sliding groove (122) and communicated with the sliding groove (121), and the locking bolt (16) passes through the shaped hole (122) to be connected with the target piece clamping block (14).
3. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 2, wherein: the target sheet (15) is provided with a waist-shaped hole (152), and the target sheet fixture block (14) is provided with a stop pin (17) penetrating through the waist-shaped hole (152).
4. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 2, wherein: the vernier assembly comprises a scale guide block (10) and a vernier block (13) which is slidably arranged on the scale guide block (10); scale marks are respectively arranged on the scale guide block (10) and the vernier block (13); the lower end of the target sheet (15) penetrates through the target sheet fixture block (14) and is inserted on the cursor block (13).
5. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 4 wherein: sliding bosses (131) are arranged on two sides of the lower part of the cursor block (13); a vernier sliding groove (101) matched with a sliding boss (131) at one side of the vernier block (13) is arranged on the scale guide block (10); and a cursor guide groove (123) matched with the sliding boss (131) on the other side of the cursor block (13) is formed in the support plate (12).
6. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 4 wherein: the bottom plate (1) is provided with a T-shaped groove (11), and the cursor block (13) is connected with the T-shaped groove (11) through a bolt (7) and a nut (6) for the T-shaped groove.
7. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 1, wherein: the fuel spray rod is characterized in that the fixed support (2) is detachably connected with the bottom plate (1), a series of jacking holes (21) with different diameters are formed in the fixed support (2), the head end (181) of the fuel spray rod (18) is inserted into the jacking holes (21), and a bolt (8) is arranged on the fixed support (2) and inserted into a positioning hole (185) of the head end (181) of the fuel spray rod (18).
8. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 1, wherein: the sliding support (3) is connected with the bottom plate (1) through a T-shaped groove, and a bolt (7) and a nut (6) are used for connecting.
9. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 1, wherein: the device is characterized in that support guide pressing plates (9) are arranged on two sides of the sliding support (3), a pressing shoulder (31) is arranged on the sliding support (3), and a pressing groove (91) matched with the pressing shoulder (31) is arranged on the support guide pressing plate (9).
10. A measuring tool for detecting the direction of fuel spray from a fuel spray lance as set forth in claim 1, wherein: the sliding support (3) is provided with an adapter (5), the tail end (182) of the fuel spray rod (18) is inserted into the left end of the adapter (5), and a sealing gasket (52) is arranged between the adapter (5) and the tail end (182) of the fuel spray rod (18); a compression nut (4) is sleeved on the adapter (5), the compression nut (4) is of a hollow structure with an opening at the left end, and a clamping ring (51) is arranged on the adapter (5) and close to the bottom wall of an inner cavity of the compression nut (4); the compression nut (4) is in threaded connection with the sliding support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739988.3A CN113418689A (en) | 2021-06-30 | 2021-06-30 | Measuring tool for detecting injection direction of fuel spray rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110739988.3A CN113418689A (en) | 2021-06-30 | 2021-06-30 | Measuring tool for detecting injection direction of fuel spray rod |
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| CN113418689A true CN113418689A (en) | 2021-09-21 |
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| CN202110739988.3A Pending CN113418689A (en) | 2021-06-30 | 2021-06-30 | Measuring tool for detecting injection direction of fuel spray rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984366A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
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| CN105043711A (en) * | 2015-08-04 | 2015-11-11 | 北京航天长征飞行器研究所 | Wind tunnel diffuser compatible with multiple nozzles and wind tunnel diffusion method |
| CN106770301A (en) * | 2017-03-21 | 2017-05-31 | 青岛理工大学 | Oil-gas two-phase fluid jet stability evaluation device |
| CN208051765U (en) * | 2018-01-31 | 2018-11-06 | 中国航发动力股份有限公司 | A kind of assembling jig for assembling pipeline Fuel Injector Bar |
| CN209639945U (en) * | 2019-02-26 | 2019-11-15 | 成立航空技术有限公司 | A kind of fuel nozzle automatic testing tool |
| CN110823466A (en) * | 2019-11-19 | 2020-02-21 | 中国航发贵州黎阳航空动力有限公司 | Hydraulic test device for thrust augmentation main pipe fuel spray rod of aircraft engine |
| CN111649922A (en) * | 2020-05-12 | 2020-09-11 | 深圳海卓科赛医疗有限公司 | A nozzle detection device |
| CN212978049U (en) * | 2020-07-27 | 2021-04-16 | 郑州利尔科技发展有限公司 | Experimental clamping device of sprayer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113984366A (en) * | 2021-11-11 | 2022-01-28 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
| CN113984366B (en) * | 2021-11-11 | 2023-12-05 | 中国航发贵州黎阳航空动力有限公司 | Device for debugging performance of oil injection rod |
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