CN111912319A - Special gap detection tool for airplane and use method - Google Patents
Special gap detection tool for airplane and use method Download PDFInfo
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- CN111912319A CN111912319A CN202010552308.2A CN202010552308A CN111912319A CN 111912319 A CN111912319 A CN 111912319A CN 202010552308 A CN202010552308 A CN 202010552308A CN 111912319 A CN111912319 A CN 111912319A
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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Abstract
The invention relates to the technical field of gap detection on airplanes, in particular to a gap detection tool special for an airplane and a using method thereof. This technical scheme provides a special clearance detection instrument of aircraft to the clearance detection in each region on the aircraft, simple structure, with low costs, and can accomplish that detection means such as optics, slide caliper rule can not do narrow, complicated space clearance detects, and this technical scheme implements convenient and fast, can realize the short-term test in aircraft pipe, cable installation back clearance, and can ensure the reliability of testing result, has the high efficiency of implementing the detection simultaneously.
Description
Technical Field
The invention relates to the technical field of gap detection on airplanes, in particular to a special gap detection tool for an airplane and a using method thereof.
Background
In the aviation industry, after installation of guide pipes and cables of airplanes, there is a requirement for minimum clearance between the guide pipes and the cables, that is, if the clearance is too small or no clearance exists, the guide pipes, the cables and peripheral parts may be worn during taking off and landing, further abrasion of the guide pipes causes oil leakage, and the cables are worn and broken, which may further cause unpredictable results. Therefore, the clearance between the guide pipe and the cable needs to meet the lower limit value given by the design so as to ensure the safety of the airplane during the flight test and in-service flight.
The conduit and the cable are arranged in each cabin of the airplane, such as a landing gear cabin, an engine cabin, a hydraulic accessory cabin and the like. The space of some cabin positions of the airplane is narrow, the number of the guide pipes and the cables is large, the guide pipes and the cables are mutually crossed, and effective detection is difficult to carry out by adopting detection means such as optics and calipers.
Disclosure of Invention
The invention aims to provide a special gap detection tool for an airplane and a method for detecting a relevant gap on the airplane by using the tool aiming at the defects of the prior art, wherein the detection tool is simple in structure, convenient to use, convenient and fast in detection method and high in efficiency.
The gaps mentioned in the present technical solution include gaps between the guide tubes and the cables.
The method is realized by the following technical scheme:
the utility model provides a special clearance of aircraft detects instrument which characterized in that: the detection device comprises a handle and a detection elbow, wherein the handle is arranged to facilitate holding of a detection tool and implementation of detection operation; the detection elbow comprises a metal strip made of alloy material and a protective layer wrapped outside the metal strip, the metal strip made of alloy material has good flexibility, the bending structure of the detection elbow can be set at will, the detection elbow can be better suitable for detecting detection objects in partial complex areas, and preferably, aluminum alloy or copper alloy can be adopted; the protective layer is made of plastic materials or rubber materials, the metal strip is prevented from scratching a detected object and peripheral parts of the detected object while the metal strip is protected, electric shock can be avoided, the cross section of the detection elbow is circular, the edge of the circular shape corresponds to the periphery of the protective layer, the outer diameter d of the detection elbow is equal to the diameter of the circular shape, a minimum clearance requirement standard value a is set according to the minimum clearance requirement in each region of the airplane, the outer diameter d of the detection elbow corresponds to the standard value a, the minimum clearance requirement of different regions on the airplane is possibly different, namely the corresponding standard values a are also different, preferably, the handle and the detection elbow are detachably connected, one handle can be provided with a plurality of outer diameter d detection elbows, and the technical scheme is further suitable for clearance detection of a plurality of regions of the airplane.
In order to ensure the stability and reliability of the connection between the handle and the detection elbow and avoid that the detection elbow is blocked by a detection object and separated from the handle in the detection process, the detection work cannot be smoothly carried out, preferably, the handle is spirally connected with the detection elbow, the handle is further provided with a connecting seat, the detection elbow is provided with a connecting head, or the detection elbow is provided with the connecting seat, and the handle is provided with the connecting head; the center of the connecting seat is provided with a spiral groove; the connecting head is provided with an external spiral structure corresponding to the spiral groove, and the external spiral structure and the spiral groove are matched with each other to enable the connecting head to be positioned inside the connecting seat, so that the stable connection of the handle and the detection elbow is further realized.
The space limitation of the upper part region of the airplane limits the implementation of detection personnel to be incapable of approaching a detection object, and in order to adapt to remote detection, the handle is preferably of a telescopic loop bar structure, namely the handle comprises a plurality of hollow pipes which are sequentially sleeved from inside to outside.
A method for using a gap detection tool comprises preparing the tool and detecting the qualified gap;
the detection tool comprises a handle and a detection elbow, and the handle is detachably connected with the detection elbow; the detection elbow is inserted into the gap by holding the handle, the gap width at the position is unqualified if the detection elbow cannot be inserted into the gap smoothly, the detection elbow is moved along the gap extension direction if the detection probe can be inserted into the gap smoothly, the gap is qualified if the detection elbow is moved smoothly, and the gap is unqualified if the detection elbow is not moved smoothly.
The preparation tool; presetting a standard value a, wherein the standard value a is set according to the minimum clearance requirement of the installation of the conduit and the cable in the detected area, the qualified clearance width is not less than the standard value a, selecting a detection elbow corresponding to the standard value a, connecting the detection cigarette end and the handle together by the handle in a telescopic loop bar structure, and adjusting the length of the handle; and selecting a detection bent pipe, specifically selecting a detection bent pipe with a corresponding outer diameter d, and presetting a tolerance value n, namely making a = d + n.
The tool preparation further comprises the step of setting the shape of the detection elbow according to the installation trend of the cable and the conduit in the detection field, wherein the detection elbow is set to be in a circular arc shape, an L shape, a J shape or an S shape, after the shape of the detection elbow is set, the outer diameter d of the detection elbow is detected, whether the precision of the outer diameter d is within the range of the tolerance value n or not is confirmed, and therefore the reliability of the detection result is ensured.
The beneficial effect that this technical scheme brought:
1) the technical scheme provides a special gap detection tool for the airplane aiming at gap detection in each area on the airplane, has simple structure and low cost, can detect narrow and complex space gaps which cannot be detected by detection means such as optics, calipers and the like, is convenient and quick to implement, can realize quick detection of gaps after installation of airplane guide pipes and cables, can ensure the reliability of detection results, and has high efficiency of implementation detection;
2) the technical scheme adopts the handle with the telescopic loop bar structure, so that the remote detection without approaching to a detection object can be realized, the problem of inconvenient detection caused by the limitation of the regional space of an airplane part is effectively solved, and the practicability of the technical scheme is further improved;
3) the detection elbow in the technical scheme is detachably connected with the handle, so that the detection elbow can be conveniently and quickly installed, detached or replaced, one handle can be provided with a plurality of detection elbows with different types, and further the technical scheme can be suitable for a plurality of regions of an airplane with different requirements on gaps, and the application range of the technical scheme is expanded;
4) the detection elbow in this technical scheme mainly includes the metal strip that the alloy was made, and the metal strip has better pliability, can satisfy and set up the curved structure that detects the elbow at will, makes the detection elbow can be better be applicable to the detection object implementation detection to some complex regions.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a handle structure according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a "J" shaped test elbow of the present invention;
FIG. 4 is a schematic view of an "S" shaped test elbow of the present invention;
FIG. 5 is a schematic view of an "L" shaped test elbow of the present invention;
FIG. 6 is a schematic view of a circular arc shaped inspection elbow of the present invention;
in the figure:
1. a handle; 2. detecting the elbow; 2.1, metal strips; 2.2, a protective layer; 3. a connecting seat, 4, a connecting head; 5. a helical groove; 6. an external spiral structure.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
The embodiment discloses a special gap detection tool for an airplane, which is a basic implementation scheme of the invention and comprises a handle 1 and a detection elbow 2, wherein the handle 1 is detachably connected with the detection elbow 2, the connection structure can be convenient for quick installation, disassembly or replacement of the detection elbow 2, different regions on the airplane possibly have different requirements on the minimum gap, namely the required detection elbows 2 have different outer diameters d, and based on the angle of saving materials and accommodating space, the technical scheme can realize that one handle 1 is provided with a plurality of detection elbows 2 with different models (namely different outer diameters d), so that the technical scheme can be further suitable for a plurality of regions of the airplane with different requirements on gaps, and the application range of the technical scheme is expanded.
Example 2
The embodiment discloses a clearance detection tool special for an airplane, which is a preferred embodiment of the invention, namely in embodiment 1, a handle 1 is in spiral connection with a detection elbow 2, further, a connecting seat 3 is arranged on the handle 1, a connecting head 4 is arranged on the detection elbow 2, or the connecting seat 3 is arranged on the detection elbow 2, and the connecting head 4 is arranged on the handle 1; a spiral groove 5 is arranged in the center of the connecting seat 3, and an external spiral structure 6 corresponding to the spiral groove 5 is arranged on the connecting head 4; the handle 1 is of a telescopic loop bar structure; the detection elbow 2 comprises a metal strip 2.1 made of alloy materials and a protective layer 2.2 wrapped outside the metal strip 2.1, and the protective layer 2.2 is made of plastic materials or rubber materials.
In the technical scheme, the connecting elbow is connected with the handle 1 by adopting a spiral structure, so that the disassembly is convenient, the stability of the connecting structure is ensured, the detection elbow 2 is prevented from being clamped by a detected object to be separated from the handle 1 in the detection process, and the smooth gap detection is further ensured; in addition, the handle 1 adopts a telescopic loop bar structure, and the remote detection without approaching to a detection object can be realized by adjusting the length of the handle 1, so that the problem of inconvenient detection caused by the limitation of the area space of the airplane part is effectively solved, and the practicability of the technical scheme is further improved; the detection elbow 2 mainly comprises a metal strip 2.1 made of alloy, the metal strip 2.1 has good flexibility, the bending structure of the detection elbow 2 can be set randomly, the detection elbow 2 can be better suitable for detecting detection objects in partial complex regions, namely, the detection elbow is particularly suitable for environments with a large number of pipes and cables and crossing with each other on an airplane, a protective layer 2.2 is arranged outside the metal strip 2.1 and used for protecting the metal strip 2.1 and preventing the metal strip 2.1 from scratching the detected objects and peripheral parts thereof, in addition, plastic and rubber have good insulativity and can effectively avoid electric shock.
Example 3
The embodiment discloses a using method of a clearance detection tool, which is a basic implementation scheme of the invention and comprises clearance qualified detection, wherein the clearance qualified detection tool comprises a handle 1 and a detection elbow 2, and the handle 1 is detachably connected with the detection elbow 2; the handle 1 is held, the detection elbow 2 extends into the gap, if the detection elbow 2 cannot smoothly extend into the gap, the gap is unqualified, if the detection probe can smoothly enter the gap, the detection elbow 2 moves along the gap extending direction, if the detection probe smoothly moves, the gap is qualified, otherwise, the gap is unqualified.
The technical scheme discloses a principle and a specific implementation mode for implementing gap detection by using a gap detection tool, the implementation mode is quick and effective, and the detection result is effective and reliable.
Example 4
The present example discloses a method for using a gap detection tool, which is a preferred embodiment of the present invention, that is, example 3, further includes a preparation tool; presetting a standard value a, wherein the standard value a is set according to the minimum clearance requirement of the installation of the conduit and the cable in the detected area, the qualified clearance width is not less than the standard value a, selecting a detection elbow 2 corresponding to the standard value a, connecting the detection cigarette end and the handle 1 together by the handle 1 in a telescopic loop bar structure, and adjusting the length of the handle 1; the detection bent pipe is selected, specifically, the detection bent pipe corresponding to the outer diameter d is selected, and a tolerance value n is preset, namely, a = d + n.
The technical scheme introduces a using method of the clearance detection tool, wherein a standard value a is the requirement of the minimum clearance of a detection object, generally, the standard value a is set to be 5mm, the allowable tolerance value N ranges from 0 mm to 0.1mm, and the detection elbow 2 is required to meet the requirement that the outer diameter d is between 4.9 mm and 5 mm. Furthermore, the technical scheme meets the actual detection requirement on the market.
Example 5
The present example discloses a method for using a gap detection tool, which is a preferred embodiment of the present invention, that is, in example 4, a detection elbow 2 includes a metal strip 2.1 made of an alloy material and a protective layer 2.2 wrapped outside the metal strip 2.1; the tool preparation further comprises the step of setting the shape of the detection elbow according to the installation trend of the cable and the conduit in the detection field, wherein the detection elbow is set to be in a circular arc shape, an L shape, a J shape or an S shape, after the shape of the detection elbow is set, the outer diameter d of the detection elbow is detected, whether the precision of the outer diameter d is within the range of the tolerance value n or not is confirmed, and therefore the reliability of the detection result is ensured.
The technical scheme is particularly implemented aiming at the environments that part of an airplane is narrow in space, the number of the guide pipes and the cables is large, and the guide pipes and the cables are mutually crossed, the detection elbow 2 can be bent to the best detection state according to the actual situation of the site, and even if the detection elbow faces the site which is complex, the detection elbow can be smoothly implemented.
Claims (9)
1. The utility model provides a special clearance of aircraft detects instrument which characterized in that: the multifunctional elbow comprises a handle (1) and a detection elbow (2), wherein the handle (1) and the detection elbow (2) are detachably connected.
2. An aircraft gap detection tool as claimed in claim 1, wherein: the handle (1) is in spiral connection with the detection elbow (2).
3. A special clearance detection tool for an aircraft according to claim 2, wherein: the handle (1) is provided with a connecting seat (3), the detection elbow (2) is provided with a connecting head (4), or the detection elbow (2) is provided with the connecting seat (3), and the handle (1) is provided with the connecting head (4); a spiral groove (5) is arranged in the center of the connecting seat (3); the connector (4) is provided with an external spiral structure (6) corresponding to the spiral groove (5).
4. An aircraft gap detection tool as claimed in claim 1, wherein: the handle (1) is of a telescopic loop bar structure.
5. An aircraft gap detection tool as claimed in claim 1, wherein: the detection elbow (2) comprises a metal strip (2.1) made of alloy materials and a protective layer (2.2) wrapped outside the metal strip (2.1), and the protective layer (2.2) is made of plastic materials or rubber materials.
6. A method of using a clearance inspection tool, comprising: the device comprises a gap qualification test, wherein the test tool comprises a handle (1) and a test elbow (2), and the handle (1) and the test elbow (2) are detachably connected; the detection device is characterized in that the handle (1) is held, the detection elbow (2) extends into the gap, if the detection elbow (2) cannot smoothly extend into the gap, the width of the gap is unqualified, if the detection probe can smoothly enter the gap, the detection elbow (2) moves along the extending direction of the gap, if the detection probe can smoothly enter the gap, the gap is qualified, otherwise, the gap is unqualified.
7. The method of using a gap sensing tool according to claim 6, wherein: also comprises a preparation tool; the method is characterized in that a standard value a is preset, the standard value a is set according to the minimum gap requirement of the installation of a conduit and a cable in a detected area, the qualified gap width is not smaller than the standard value a, a detection elbow (2) corresponding to the standard value a is selected, the handle (1) is of a telescopic loop bar structure, a detection cigarette end is connected with the handle (1), and the length of the handle (1) is adjusted.
8. The method of using a gap sensing tool according to claim 7, wherein: and selecting a detection bent pipe, specifically selecting a detection bent pipe with a corresponding outer diameter d, and presetting a tolerance value n, namely making a = d + n.
9. The method of using a gap sensing tool according to claim 8, wherein: the detection elbow (2) comprises a metal strip (2.1) made of alloy material and a protective layer (2.2) wrapped outside the metal strip (2.1); the tool preparation further comprises the step of setting the shape of the detection elbow according to the installation trend of the cable and the conduit in the detection field, wherein the detection elbow is set to be in a circular arc shape, an L shape, a J shape or an S shape, after the shape of the detection elbow is set, the outer diameter d of the detection elbow is detected, whether the precision of the outer diameter d is within the range of the tolerance value n or not is confirmed, and therefore the reliability of the detection result is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552308.2A CN111912319A (en) | 2020-06-17 | 2020-06-17 | Special gap detection tool for airplane and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552308.2A CN111912319A (en) | 2020-06-17 | 2020-06-17 | Special gap detection tool for airplane and use method |
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| CN111912319A true CN111912319A (en) | 2020-11-10 |
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| CN202010552308.2A Pending CN111912319A (en) | 2020-06-17 | 2020-06-17 | Special gap detection tool for airplane and use method |
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| CN106705803A (en) * | 2016-09-28 | 2017-05-24 | 中国科学院西安光学精密机械研究所 | Telescopic interval measurement device and method |
| CN109373864A (en) * | 2018-11-20 | 2019-02-22 | 中国航发贵州黎阳航空动力有限公司 | A kind of gap detection device and detection method of complex profile small space |
| CN110986739A (en) * | 2019-10-30 | 2020-04-10 | 上海航翼高新技术发展研究院有限公司 | Tool and method for detecting horn mouth angle of metal guide pipe of airplane |
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2020
- 2020-06-17 CN CN202010552308.2A patent/CN111912319A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201994216U (en) * | 2011-03-17 | 2011-09-28 | 华北电网有限公司大同超高压供电公司 | Aligning tool special for moving contact and static contact of sulfur hexafluoride tank type circuit breaker |
| CN202630873U (en) * | 2012-05-10 | 2012-12-26 | 济南吉利汽车有限公司 | Gap pass-stop gauge |
| CN104197813A (en) * | 2014-07-16 | 2014-12-10 | 珠海格力电器股份有限公司 | Detection tool for detecting intervals among air channels of air conditioner |
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Application publication date: 20201110 |