CN114705139A - Engine angular deviation and concentricity adjusting device - Google Patents
Engine angular deviation and concentricity adjusting device Download PDFInfo
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- CN114705139A CN114705139A CN202210309503.1A CN202210309503A CN114705139A CN 114705139 A CN114705139 A CN 114705139A CN 202210309503 A CN202210309503 A CN 202210309503A CN 114705139 A CN114705139 A CN 114705139A
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- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
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Abstract
The invention provides an adjusting device for angular deviation and concentricity of an engine, which comprises: one end of the engine simulation piece is connected with the helicopter engine bracket, and the other end of the engine simulation piece is connected with the helicopter power shaft sleeve and used for simulating an installation interface and an output axis of a helicopter engine; the main reducing input target plate is provided with an optical target, is connected with an input flange of the helicopter main reducer and is used for simulating an input axis and a flange center of the input flange of the helicopter main reducer; the micro-alignment telescope is arranged on the engine simulation piece; the invention has convenient operation, can accurately simulate the output axis of the engine and the input axis of the main reducer, and can check whether the concentricity of the output shaft of the engine and the input shaft of the main reducer meets the assembly requirement or not by measuring the central deviation of the central cross line of the telescope and the two targets, thereby ensuring the assembly precision of the engine and having very obvious use effect.
Description
Technical Field
The invention belongs to the technical field of airplane assembly, and particularly relates to a device for adjusting the assembly angular deviation and concentricity of a helicopter engine.
Background
When the helicopter engine is installed on a helicopter, the requirement of angular deviation exists between the output axis of the engine and the input axis of the main speed reducer, the requirement of concentricity exists between the output axis of the engine and the center of a flange plate of the main speed reducer, the requirement is very high, the installation precision on the engine influences the flight safety, a special device is needed to measure the included angle between the output axis of the engine and the input axis of the main speed reducer and the concentricity between the output axis of the engine and the input flange of the main speed reducer, the engine is adjusted, and the installation on the engine is ensured to meet the assembly requirement.
Disclosure of Invention
In order to solve the problems and the defects in the prior art, the invention provides an adjusting device for angular deviation and concentricity of an engine, which comprises:
the engine simulation piece is connected with the helicopter engine bracket at one end and connected with the helicopter power shaft sleeve at the other end and used for simulating an installation interface and an output axis of a helicopter engine;
the main reducing input target plate is provided with an optical target, is connected with an input flange of the helicopter main reducer and is used for simulating an input axis and a flange center of the input flange of the helicopter main reducer;
and the micro-alignment telescope is arranged on the engine simulation piece.
Preferably, the engine dummy comprises:
the first simulation piece is used for arranging the micro-alignment telescope;
the second simulation piece is arranged at one end of the first simulation piece; the second simulation piece is provided with a mounting hole, and the mounting hole is used for being connected with a helicopter engine support.
Preferably, the first simulation member is connected with the helicopter power shaft sleeve through a connecting rod, a nut, a gasket and a spring gasket.
Preferably, the optical target comprises:
the first optical target is arranged on the main subtracting input target plate;
and the second optical target is arranged on the main subtracting input target plate.
Preferably, the main subtraction input target plate comprises:
a first mounting location for mounting a first optical target;
a second mounting location for mounting a second optical target.
Preferably, the first mounting position and the second mounting position are on the same axis.
Preferably, the distance between the first installation position and the second installation position is 150 mm.
Preferably, the shape of the micro-collimating telescope is adapted to the shape of the first simulation, and the micro-collimating telescope is mountable inside the first simulation.
The invention has the technical effects that:
the invention has convenient operation, can accurately simulate the engine output axis, the main reducer input axis and the main reducer flange plate center, and can check whether the concentricity of the engine output shaft and the main reducer input shaft meets the assembly requirement or not by measuring the center deviation of the telescope center cross line and the two targets, thereby ensuring the assembly precision of the engine and having very obvious use effect.
Drawings
Fig. 1 is a schematic structural diagram of an adjusting apparatus provided in an embodiment of the present application;
FIG. 2 is a cross-sectional view of an engine simulation with a micro-telescope according to an embodiment of the present disclosure;
FIG. 3 is a schematic structural diagram of a main subtraction input target plate with an optical target according to an embodiment of the present application;
FIG. 4 is a view of the observation effect of the telescope provided by the embodiment of the present application;
FIG. 5 is an analysis graph of calculated angular misalignment provided by an embodiment of the present application;
the system comprises an engine simulation part 1, a 2-micrometric collimation telescope 3, a first optical target 4, a second optical target 4 and a main subtraction input target plate 5.
Detailed Description
The invention relates to the technical field of measurement and testing, in particular to a device for adjusting the assembly angular deviation and concentricity of a helicopter engine and a measurement method thereof.
Referring to fig. 1-5, objects of the present invention are: the device capable of ensuring the angular deviation and concentricity requirement of the engine between the output axis of the helicopter engine mounting platform and the input shaft of the main speed reducer is developed.
The technical scheme of the invention is as follows:
helicopter engine assembly concentricity adjusting device includes: the device comprises an engine simulation piece 1, a micrometric collimating telescope 2, a first optical target 3, a second optical target 4 and a main subtracting input target plate 5.
The engine simulation piece 1 includes a first simulation piece and a second simulation piece.
The second simulation piece simulates connection between the engine and the support through simulating relative position relation of the connection between the engine and the support.
The first simulation piece simulates the connection between the engine and the power shaft sleeve by simulating the relative position relation of the connection between the engine and the power shaft sleeve.
In the present embodiment, the engine axis can be simulated as the central axis of the engine phantom 1 by the above simulation of the first and second simulators.
In the embodiment of the application, the shape of the micrometric collimating telescope is matched with that of the first simulation piece, and the micrometric collimating telescope is installed inside the first simulation piece, so that the cross center of the telescope is superposed with the axis of the engine simulated by the first simulation piece, and the axis of the engine is visualized.
In this application embodiment, main input target plate 5 that subtracts, its one end is the ring flange form, is connected it with main reducer input ring flange through round pin axle, nut, gasket, and its other end is the tube-shape form, includes:
a first mounting location for mounting a first optical target;
a second mounting location for mounting a second optical target.
In an embodiment of the present application, an optical target includes: the first optical target 3 is arranged on the main reduction input target plate and can simulate the center of a main reducer input flange plate as the center of the first optical target; and the second optical target 4 is arranged on an axis which passes through the center point of the input flange plate of the main speed reducer and is vertical to the input flange surface of the main speed reducer, the center of the second optical target is 150mm away from the center of the first optical target, and the input axis of the main speed reducer is simulated through a connecting line which connects the center of the second optical target and the center of the first optical target.
The method comprises the following specific operation steps:
connecting the engine simulation piece with a power shaft sleeve by using a connecting rod, a nut, a gasket and a spring gasket, connecting the engine simulation piece with an engine bracket by using an engine bracket mounting bolt, and fixing the engine simulation piece;
plugging the micro-collimating telescope into a center hole of an engine simulation piece, simulating an output axis of the engine and enabling the axis to be visualized;
connecting the main input reducing target plate with the flange plate at the input end of the main input reducing end by using a pin shaft, a nut and a gasket;
the method comprises the steps that a first optical target is inserted into a first installation position of a main reduction input target plate, a second optical target is inserted into a second installation position of the main reduction input target plate, after installation is finished, the distance between the center of the first optical target and the center of the second optical target is 150mm, and the center of a flange plate of a main speed reducer and the input axis of the main speed reducer are simulated;
if the "cross" center of the viewing telescope is not concentric with the center of the first optical target, the deviation is measured and recorded as x1 and y1, see FIG. 4 in particular.
The relative position of the telescope "ten" word line center and the second optical target center is observed and if they are not concentric, the deviation is measured and x2 and y2 are recorded, see FIG. 4 in particular.
Calculating the center of the output axis of the engine and the input end of the main reducerCoaxiality of (a);
the angular deviations were calculated in the following manner, the analysis method being shown in detail in fig. 5:
calculating the angular deviation between the output axis of the engine and the input axis of the main reducer: alpha is alpha
The invention has convenient operation, can accurately simulate the output axis of the engine and the center of the input flange of the main reducer, and can check whether the concentricity of the output shaft of the engine and the input flange of the main reducer meets the assembly requirement or not by measuring the center deviation of the center cross line of the telescope and the second optical target;
the invention can also accurately simulate the output axis of the engine and the input axis of the main reducer, and can check whether the angular deviation between the output shaft of the engine and the main reducer input axis meets the assembly requirement or not by measuring the central deviation between the central cross line of the telescope and the first optical target and the second optical target; the engine assembling precision is guaranteed through the above effects, and the using effect is very obvious.
Claims (8)
1. An engine angular misalignment and concentricity adjustment device, comprising:
the engine simulation piece is connected with the helicopter engine bracket at one end and connected with the helicopter power shaft sleeve at the other end and used for simulating an installation interface and an output axis of a helicopter engine;
the main reducing input target plate is provided with an optical target, is connected with an input flange of the helicopter main reducer and is used for simulating an input axis and a flange center of the input flange of the helicopter main reducer;
and the micro-alignment telescope is arranged on the engine simulation piece.
2. The engine angular misalignment and concentricity adjustment device of claim 1, wherein the engine dummy comprises:
the first simulation piece is used for arranging the micro-alignment telescope;
the second simulation piece is arranged at one end of the first simulation piece; the second simulation piece is provided with a mounting hole, and the mounting hole is used for being connected with a helicopter engine support.
3. The device for adjusting the angular deviation and the concentricity of the engine as claimed in claim 2, wherein the first dummy member is connected with the helicopter power shaft bushing through a connecting rod, a nut, a gasket and a spring gasket.
4. The device for adjusting angular deviation and concentricity of an engine according to claim 1, wherein the optical target comprises:
the first optical target is arranged on the main subtracting input target plate;
and the second optical target is arranged on the main subtracting input target plate.
5. The device for adjusting angular deviation and concentricity of an engine according to claim 4, wherein the main subtraction input target plate comprises:
a first mounting location for mounting a first optical target;
a second mounting location for mounting a second optical target.
6. The device for adjusting the angular deviation and the concentricity of the engine according to claim 5, wherein the first mounting position and the second mounting position are on the same axis.
7. The device for adjusting the angular deviation and the concentricity of the engine according to claim 6, wherein the distance between the first installation position and the second installation position is 150 mm.
8. The device for adjusting angular deviation and concentricity of an engine according to claim 6, wherein the shape of the micro-collimating telescope is adapted to the shape of the first simulation member, and the micro-collimating telescope is mounted inside the first simulation member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309503.1A CN114705139A (en) | 2022-03-25 | 2022-03-25 | Engine angular deviation and concentricity adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309503.1A CN114705139A (en) | 2022-03-25 | 2022-03-25 | Engine angular deviation and concentricity adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN114705139A true CN114705139A (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210309503.1A Pending CN114705139A (en) | 2022-03-25 | 2022-03-25 | Engine angular deviation and concentricity adjusting device |
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| Country | Link |
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| CN (1) | CN114705139A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942000A (en) * | 2022-07-13 | 2022-08-26 | 成都国营锦江机器厂 | Detection and calibration method for tail transmission shaft of helicopter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776360A (en) * | 2005-12-01 | 2006-05-24 | 渤海船舶重工有限责任公司 | Main engine axis positioning method and measuring device |
| CN101306717A (en) * | 2008-05-21 | 2008-11-19 | 沪东中华造船(集团)有限公司 | Optical alignment method for shipbuilding central axis |
| CN103398679A (en) * | 2013-08-08 | 2013-11-20 | 江西绿阳光学仪器制造有限公司 | Lens-fixing alignment instrument and using method thereof |
| CN203572476U (en) * | 2013-09-24 | 2014-04-30 | 北京新立机械有限责任公司 | Light non-through hole turntable intersection detection system |
| CN210346613U (en) * | 2019-09-04 | 2020-04-17 | 明保全 | Laser correction device for helicopter main reducing gear deflection and tail transmission shaft alignment |
| CN214893136U (en) * | 2021-04-21 | 2021-11-26 | 成都国营锦江机器厂 | Infrared laser coaxiality detection device for X-8 engine and main speed reducer |
-
2022
- 2022-03-25 CN CN202210309503.1A patent/CN114705139A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776360A (en) * | 2005-12-01 | 2006-05-24 | 渤海船舶重工有限责任公司 | Main engine axis positioning method and measuring device |
| CN101306717A (en) * | 2008-05-21 | 2008-11-19 | 沪东中华造船(集团)有限公司 | Optical alignment method for shipbuilding central axis |
| CN103398679A (en) * | 2013-08-08 | 2013-11-20 | 江西绿阳光学仪器制造有限公司 | Lens-fixing alignment instrument and using method thereof |
| CN203572476U (en) * | 2013-09-24 | 2014-04-30 | 北京新立机械有限责任公司 | Light non-through hole turntable intersection detection system |
| CN210346613U (en) * | 2019-09-04 | 2020-04-17 | 明保全 | Laser correction device for helicopter main reducing gear deflection and tail transmission shaft alignment |
| CN214893136U (en) * | 2021-04-21 | 2021-11-26 | 成都国营锦江机器厂 | Infrared laser coaxiality detection device for X-8 engine and main speed reducer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942000A (en) * | 2022-07-13 | 2022-08-26 | 成都国营锦江机器厂 | Detection and calibration method for tail transmission shaft of helicopter |
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