CN114353623A - Measuring scale and method for detecting airplane accessory case mounting machine - Google Patents
Measuring scale and method for detecting airplane accessory case mounting machine Download PDFInfo
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- CN114353623A CN114353623A CN202210018216.5A CN202210018216A CN114353623A CN 114353623 A CN114353623 A CN 114353623A CN 202210018216 A CN202210018216 A CN 202210018216A CN 114353623 A CN114353623 A CN 114353623A
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- sleeve
- shaft section
- engine
- half part
- aircraft
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- 238000000034 method Methods 0.000 title description 3
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000007689 inspection Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detection measuring scale and a detection method for a box loader of an airplane accessory, wherein the detection measuring scale comprises the following components: the measuring tape comprises a measuring tape main body, an upper sleeve half part and a lower sleeve half part which can be sleeved outside the measuring tape main body to slide, wherein the upper sleeve half part and the lower sleeve half part can be detachably fixed and assembled and then can be sleeved on the measuring tape main body in a sliding manner; the detection method comprises the following steps: step one, installing and fixing a detection and measurement ruler: step two, detection and measurement: the measuring scale main body is fixed on the fuel inlet isolator in a butt joint mode, the upper half portion of the sleeve and the lower half portion of the sleeve slide on the measuring scale main body, the distance between the aircraft accessory casing and the engine and the parallelism between the aircraft accessory casing and the engine inlet end face are checked, the distance between the aircraft accessory casing and the engine is guaranteed in the installation process, the installation efficiency of the engine and the aircraft accessory casing is improved, and the risk condition that uncertainty exists in the installation process of the aircraft engine connecting guide pipe and oil leakage exists is avoided.
Description
Technical Field
The invention relates to a detection measuring scale and a detection method for a box loader of an airplane accessory, and belongs to the technical field of detection.
Background
When the airplane accessory case and the engine body of the engine are installed, the airplane accessory case and the engine body are respectively installed on the axial line segments of the same axial line and different positions in an airplane engine cabin, when the engine is installed, because the number of accessories on the engine is large, the distance between the installed airplane accessory case and the engine and the parallelism between the installed airplane accessory case and the engine and the inlet end face of the engine cannot be accurately measured, the distance between the airplane accessory case and the engine cannot be guaranteed in the installation process, because the connection of a connecting pipe of the airplane engine cannot be realized due to inaccurate distance control, the shape correction is often needed, the installation efficiency of the engine and the airplane accessory case is reduced, and the installation efficiency is low; meanwhile, as the bearings and the gears are arranged in the aircraft accessory casing, lubricating oil in an engine lubricating oil tank is required to be transferred into the interior of the aircraft accessory casing for lubrication through a pipeline, once the distance between the aircraft accessory casing and an engine cannot be guaranteed in the installation process, uncertainty and oil leakage risks can be caused in the installation process of a connecting guide pipe of the aircraft engine.
Disclosure of Invention
In order to solve the technical problems, the invention provides a measuring scale and a detecting method for detecting the cartridge loading machine of an airplane accessory.
The invention is realized by the following technical scheme.
The invention provides a measuring scale for detecting the installation of a case of an aircraft accessory, which comprises:
the measuring tape comprises a measuring tape main body, an upper sleeve half part and a lower sleeve half part which can be sleeved outside the measuring tape main body to slide, wherein the upper sleeve half part and the lower sleeve half part can be detachably fixed and assembled and then can be sleeved on the measuring tape main body in a sliding mode, and the distance between an airplane accessory casing and an engine and the parallelism between the airplane accessory casing and the inlet end face of the engine are detected.
The measuring tape main part comprises the circle shaft section, the toper step shaft section of fixing with circle shaft section one end an organic whole, the lantern ring of fixing on toper step shaft section axle head face of an organic whole, and circle shaft section center is the through-hole of intercommunication for circle shaft section, toper step shaft section, lantern ring constitute one with fuel import isolator blanking cap similar structure, fix from taking the clamp with the fuel import isolator with this being convenient for.
The conical step shaft section is fixedly provided with a positioning pin which is convenient to match with a positioning pin hole of the fuel inlet isolator.
The conical step shaft section and the positioning pin are integrated or welded and fixed.
The circular shaft section is provided with a sliding groove along the axial direction; an anti-falling block A is fixed on one end part of the upper half part of the sleeve along the axial center radial direction, an anti-falling block B is fixed on one end part of the lower half part of the sleeve along the axial center radial direction, and the lengths of the anti-falling block B and the anti-falling block A are smaller than that of the sliding chute; first one of sleeve and sleeve lower half can dismantle fixed equipment back through the screw, and anticreep piece A and anticreep piece B coincidence are located the spout, and when first one of sleeve and sleeve lower half together slidable cover were on the axle circle section of measuring tape main part, anticreep piece A and anticreep piece B played anti-drop's effect with the cooperation of spout.
A scale area is arranged on one side of the circular shaft section, which is opposite to the sliding chute, and is provided with scale strips and numerical values; the first half of sleeve is kept away from and is fixed with the pointed end of instruction on anticreep piece A side, and when the slidable cover of first half of sleeve slided on the circle axle section, the regional scale bar and the numerical value that corresponds of scale are instructed to the pointed end of instruction.
The aircraft accessory casing is characterized in that a step large shaft end A is integrally fixed on the upper half part of the sleeve far away from the circular shaft section, a step large shaft end B is integrally fixed on the lower half part of the sleeve far away from the circular shaft section, and the axial end faces of the step large shaft end A and the step large shaft end B are planes and are used for being in butt joint with the plane of the aircraft accessory casing.
The invention discloses a detection method of an aircraft accessory casing installation machine, which comprises the following steps:
step one, installing and fixing a detection and measurement ruler: assembling the assembled aircraft accessory case loader inspection measuring scale, before engine installation, detaching a front end blanking cover of an engine fuel inlet isolator, wherein a circular shaft section, a conical step shaft section and a lantern ring are correspondingly butted with the fuel inlet isolator and are fixed by a hoop of the fuel inlet isolator, and a positioning pin on the conical step shaft section is matched with a positioning pin hole of the fuel inlet isolator, so that a measuring scale main body is fixed;
step two, detection and measurement: the aircraft accessory casing is assembled on an aircraft, the upper half part of the sleeve and the lower half part of the sleeve slide on a circular shaft section of the measuring tape main body, under the action of the anti-falling block A, the anti-falling block B and the sliding groove anti-falling limiting guide, a shaft end plane of a step large shaft end A of the upper half part of the sleeve and a shaft end plane of a step large shaft end B of the lower half part of the sleeve are in butt joint with a plane of the aircraft accessory casing, the distance between the aircraft accessory casing and the engine and the parallelism between the aircraft accessory casing and the inlet end face of the engine are checked from a scale bar and a numerical value corresponding to an indication tip indication scale area.
The invention has the beneficial effects that: the measuring scale main body is fixed on the fuel inlet isolator in a butt joint mode, the upper half portion of the sleeve and the lower half portion of the sleeve slide on the measuring scale main body, the distance between the aircraft accessory casing and the engine and the parallelism between the aircraft accessory casing and the engine inlet end face are checked, the distance between the aircraft accessory casing and the engine is guaranteed in the installation process, the installation efficiency of the engine and the aircraft accessory casing is improved, and the risk condition that uncertainty exists in the installation process of the aircraft engine connecting guide pipe and oil leakage exists is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the upper half of the sleeve of the present invention;
FIG. 3 is a schematic front view of the lower half of the sleeve of the present invention;
FIG. 4 is a schematic view of the construction of the tape body of the present invention;
in the figure: 1-a measuring tape main body; 11-a round shaft section; 12-a tapered stepped shaft section; 13-a collar; 14-a locating pin; 15-a chute; 16-scale area; 2-the upper half of the sleeve; 21-anti-drop block A; 22-indicating tip; 23-step big shaft end A; 3-the lower half of the sleeve; 31-anti-drop block B; 32-step big shaft end B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-4.
The invention relates to a measuring scale for detecting the loading of a cartridge of an airplane accessory, which comprises:
the measuring tape comprises a measuring tape main body 1, an upper sleeve half part 2 and a lower sleeve half part 3 which can be sleeved outside the measuring tape main body 1 to slide, wherein the upper sleeve half part 2 and the lower sleeve half part 3 can be detachably, fixedly assembled and then can be sleeved on the measuring tape main body 1 in a sliding mode, the distance between an airplane accessory casing and an engine and the parallelism between the airplane accessory casing and an engine inlet end face are detected, and the distance between the airplane accessory casing and the engine is guaranteed in the installation process.
The measuring tape main body 1 comprises a round shaft section 11, a conical step shaft section 12 integrally fixed with one end of the round shaft section 11 and a lantern ring 13 integrally fixed on the end face of the conical step shaft section 12, and the center of the round shaft section 11 is a through hole communicated with the through hole, so that the round shaft section 11, the conical step shaft section 12 and the lantern ring 13 form a structure similar to a blocking cover of the fuel inlet isolator, and the structure is convenient to fix with the fuel inlet isolator through a hoop.
The conical step shaft section 12 is integrally or fixedly welded or screwed with a positioning pin 14, so that the conical step shaft section is conveniently matched with a positioning pin hole of a fuel inlet isolator.
The circular shaft section 11 is provided with a sliding groove 15 along the axial direction; an anti-falling block A21 is integrally fixed on one end part of the upper sleeve half part 2 along the axial center radial direction, an anti-falling block B31 is integrally fixed on one end part of the lower sleeve half part 3 along the axial center radial direction, and the lengths of the anti-falling block B31 and the anti-falling block A21 are smaller than that of the sliding chute 15; first 2 and the sleeve lower half 3 of sleeve can dismantle fixed equipment back through the screw, anticreep piece A21 and anticreep piece B31 coincidence are located spout 15, and when first 2 and the sleeve lower half 3 of sleeve together slidable cover on the beam section 11 of measuring tape main part 1, anticreep piece A21 and anticreep piece B31 play anti-drop's effect with the cooperation of spout 15.
A scale area 16 is arranged on one side of the circular shaft section 11 opposite to the sliding groove 15, and the scale area 16 is provided with scale bars and numerical values; the upper half part 2 of the sleeve is away from the anti-falling block A21, the indicating tip 22 is integrally or welded on the side edge, and when the upper half part 2 of the sleeve slides on the circular shaft section 11 in a sliding mode, the indicating tip 22 indicates the scale bar and the numerical value corresponding to the scale area 16.
A step big shaft end A23 is integrally fixed on the upper half part 2 of the sleeve far away from the circular shaft section 11, a step big shaft end B32 is integrally fixed on the lower half part 3 of the sleeve far away from the circular shaft section 11 and far away from the circular shaft section 11, and the axial end faces of the step big shaft end A23 and the step big shaft end B32 are planes and are used for being in butt joint with the plane of an aircraft accessory casing.
The invention discloses a detection method of an aircraft accessory casing installation machine, which comprises the following steps:
step one, installing and fixing a detection and measurement ruler: assembling the assembled aircraft accessory case mounting machine detection measuring scale, before mounting an engine, detaching a front end blanking cover of an engine fuel inlet isolator, wherein a round shaft section 11, a conical step shaft section 12 and a lantern ring 13 are correspondingly butted with the fuel inlet isolator and are fixed by a hoop of the fuel inlet isolator, and a positioning pin 14 on the conical step shaft section 12 is matched with a positioning pin hole of the fuel inlet isolator, so that the measuring scale main body 1 is fixed;
step two, detection and measurement: the aircraft accessory case is assembled on an aircraft, the upper sleeve half part 2 and the lower sleeve half part 3 slide on the circular shaft section 11 of the measuring tape main body 1, under the action of the anti-falling block A21, the anti-falling block B31 and the sliding groove 15 anti-falling limiting guide, the shaft end plane of the step large shaft end A23 of the upper sleeve half part 2 and the shaft end plane of the step large shaft end B32 of the lower sleeve half part 3 are in butt joint with the plane of the aircraft accessory case, the distance between the aircraft accessory case and the engine is checked from the scale bar and the numerical value corresponding to the indication tip 22 indication scale area 16, and the parallelism between the aircraft accessory case and the engine inlet end face.
The distance between the aircraft accessory casing and the engine is guaranteed in the installation process, so that the installation efficiency of the engine and the aircraft accessory casing is improved, and the risk of uncertainty and oil leakage in the installation process of the aircraft engine connecting guide pipe is avoided.
Claims (8)
1. An aircraft accessory case dress machine examines dipperstick, its characterized in that includes:
the measuring tape comprises a measuring tape main body (1) and an upper sleeve part (2) and a lower sleeve part (3) which can slide outside the measuring tape main body (1) in a sleeved mode, wherein the upper sleeve part (2) and the lower sleeve part (3) can be detachably fixed and assembled and then can be sleeved on the measuring tape main body (1) in a sliding mode, and the distance between an airplane accessory case and an engine and the parallelism between the airplane accessory case and the inlet end face of the engine are detected.
2. The aircraft accessory cartridge loader inspection gauge of claim 1, wherein: the measuring tape main body (1) comprises a circular shaft section (11), a conical step shaft section (12) integrally fixed with one end of the circular shaft section (11) and a lantern ring (13) integrally fixed on the shaft end face of the conical step shaft section (12), and the center of the circular shaft section (11) is a through hole communicated with the through hole, so that the circular shaft section (11), the conical step shaft section (12) and the lantern ring (13) form a structure similar to a blocking cover of a fuel inlet isolator.
3. The aircraft accessory cartridge loader inspection gauge of claim 2, wherein: and a positioning pin (14) is fixed on the conical step shaft section (12).
4. The aircraft accessory cartridge loader inspection gauge of claim 3, wherein: the conical step shaft section (12) and the positioning pin (14) are integrated or welded and fixed.
5. The aircraft accessory cartridge loader inspection gauge of claim 1 or 4, wherein: the circular shaft section (11) is provided with a sliding groove (15) along the axial direction; an anti-falling block A (21) is fixed on one end part of the upper sleeve half part (2) along the axial center radial direction, an anti-falling block B (31) is fixed on one end part of the lower sleeve half part (3) along the axial center radial direction, and the lengths of the anti-falling block B (31) and the anti-falling block A (21) are smaller than that of the sliding groove (15); the upper sleeve half part (2) and the lower sleeve half part (3) are detachably fixed and assembled through screws, and the anti-falling block A (21) and the anti-falling block B (31) are coincided and located in the sliding groove (15).
6. The aircraft accessory cartridge loader inspection gauge of claim 5, wherein: a scale area (16) is arranged on one side of the circular shaft section (11) opposite to the sliding groove (15), and scale strips and numerical values are arranged in the scale area (16); be fixed with on the last half (2) of sleeve keep away from anticreep piece A (21) side and indicate pointed end (22), when the slip cover of the last half (2) of sleeve was slided on round axle section (11), indicate that pointed end (22) indicate the scale bar and the numerical value that scale area (16) corresponds.
7. The aircraft accessory cartridge loader inspection gauge of claim 6, wherein: the upper half part (2) of the sleeve is far away from the circular shaft section (11) and is integrally fixed with a step large shaft end A (23), the lower half part (3) of the sleeve is far away from the circular shaft section (11) and is integrally fixed with a step large shaft end B (32), and the axial end faces of the step large shaft end A (23) and the step large shaft end B (32) are planes.
8. A detection method of an aircraft accessory casing machine comprises the following steps:
step one, installing and fixing a detection and measurement ruler: the assembled aircraft accessory case mounting machine detection measuring scale is assembled, before an engine is mounted, a front end blanking cover of an engine fuel inlet isolator is detached, a round shaft section (11), a conical step shaft section (12) and a lantern ring (13) are correspondingly butted with the fuel inlet isolator and are fixed by a hoop of the fuel inlet isolator, and a positioning pin (14) on the conical step shaft section (12) is matched with a positioning pin hole of the fuel inlet isolator, so that a measuring scale main body (1) is fixed;
step two, detection and measurement: the aircraft accessory casing is assembled on an aircraft, the upper half part (2) and the lower half part (3) of the sleeve slide on a circular shaft section (11) of a measuring tape main body (1), under the anti-falling block A (21), the anti-falling block B (31) and a sliding groove (15) anti-falling limiting guide effect, a shaft end plane of a step large shaft end A (23) of the upper half part (2) of the sleeve, a shaft end plane of a step large shaft end B (32) of the lower half part (3) of the sleeve are in butt joint with a plane of the aircraft accessory casing, the distance between the aircraft accessory casing and an engine is checked from a scale bar and a numerical value corresponding to an indication tip (22) indication scale area (16), and the parallelism between the aircraft accessory casing and an inlet end face of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018216.5A CN114353623B (en) | 2022-01-07 | 2022-01-07 | Measuring ruler and method for airplane accessory case loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210018216.5A CN114353623B (en) | 2022-01-07 | 2022-01-07 | Measuring ruler and method for airplane accessory case loader |
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| Publication Number | Publication Date |
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| CN114353623A true CN114353623A (en) | 2022-04-15 |
| CN114353623B CN114353623B (en) | 2024-03-12 |
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| CN202210018216.5A Active CN114353623B (en) | 2022-01-07 | 2022-01-07 | Measuring ruler and method for airplane accessory case loader |
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| CN209295842U (en) * | 2018-12-07 | 2019-08-23 | 江苏龙冠新型材料科技有限公司 | A kind of steel reinforcement cage integral solder accuracy detecting device |
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2022
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| JP2004188093A (en) * | 2002-12-13 | 2004-07-08 | Datehaki:Kk | Telescopic walking stick |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114353623B (en) | 2024-03-12 |
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