CN108896245B - Air tightness detection device for airplane wing - Google Patents
Air tightness detection device for airplane wing Download PDFInfo
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- CN108896245B CN108896245B CN201810760520.0A CN201810760520A CN108896245B CN 108896245 B CN108896245 B CN 108896245B CN 201810760520 A CN201810760520 A CN 201810760520A CN 108896245 B CN108896245 B CN 108896245B
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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Abstract
The invention discloses an air tightness detector for airplane wings, and relates to the technical field of airplane detection. Including gas holder and detection device, the gas holder external surface mounting has the mount, detection device includes the telescopic link, telescopic link one end is fixed with the power jar, power jar one end is fixed with detects the dish, the fixed intercommunication of gas holder one end has the gas-supply pipe, the fixed intercommunication of gas-supply pipe one end has the injection head, telescopic link one end week side opposite side all is fixed with the connecting block, it is connected with the spliced pole to rotate through the pivot between two connecting blocks, spliced pole one end is fixed with first mounting panel. According to the invention, after nitrogen in the gas storage tank is injected into the wing through the injection head for a period of time, a detector holds the detection device to carry out walking detection, and the air tightness of the wing is detected by detecting the nitrogen in the detection disc, so that the problems of low detection efficiency and poor detection effect of the existing air tightness detection device for the wing of the airplane are solved.
Description
Technical Field
The invention belongs to the technical field of airplane detection, and particularly relates to an air tightness detection device for airplane wings.
Background
The air tightness detection is applied to the strict integrity evaluation of airplanes, automobile shells, ships and internal containers, and is a quality control application developed for improving the air tightness of vehicles, aircrafts, ships and the like in transportation departments, military departments and basic industries, and the wings of the airplanes are generally used as oil tanks, so the detection of the wings is particularly important.
The principle that current aircraft wing gas tightness detection device generally used ultrasonic detection detects, and the wing is general too big, utilizes the ultrasonic detection leak source can appear detection efficiency low with the not good condition of detection effect to need observe the data that the display screen that corresponds shows when detecting, excessively consumed the use of manpower and materials.
Disclosure of Invention
The invention aims to provide an air tightness detection device for airplane wings, which is characterized in that after nitrogen in a gas storage tank is injected into the wings for a period of time through an injection head, a detection person holds the detection device to carry out walking detection, and the air tightness of the wings is detected by detecting the nitrogen in a detection disc, so that the problems of low detection efficiency and poor detection effect of the existing air tightness detection device for the airplane wings are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an air tightness detection device for airplane wings, which comprises an air storage tank and a detection device, wherein a fixed frame is fixed on the outer surface of the air storage tank; the detection device comprises a telescopic rod, a power tank is fixed at one end of the telescopic rod, and a detection disc is fixed at one end of the power tank; one end of the gas storage tank is fixedly communicated with a gas pipe, and one end of the gas pipe is fixedly communicated with an injection head; connecting blocks are fixed on opposite sides of the circumferential side of one end of the telescopic rod, a connecting column is rotatably connected between the two connecting blocks through a rotating shaft, a first mounting plate is fixed at one end of the connecting column, and wire channels are formed in the first mounting plate, the connecting column and the middle part of the telescopic rod; the outer surface of the other end of the telescopic rod is sleeved with a rubber pad, and a switch button is fixed on the peripheral side surface of the rubber pad; a partition plate is fixed inside the power tank, a rubber sleeve is fixed on one side of the partition plate, a storage battery is detachably arranged on the inner surface of the rubber sleeve, and strip-shaped notches are formed in the peripheral side surfaces of the rubber sleeve; a small fan and a control device are fixed on the peripheral side surface of the power tank, an air inlet of the small fan is communicated with the power tank through an exhaust pipe, a nitrogen sensor is fixed in the exhaust pipe, and the control device is in signal connection with a loudspeaker; a charging head is fixed on the power tank, an annular notch is formed in the middle of the partition plate, one side of the storage battery is connected with the charging head through a charging wire, and the charging wire penetrates through the annular notch; the circumferential surface of the power tank is in threaded connection with a guide frame, one end of the guide frame is fixed with a guide sleeve, and a guide wheel is fixed inside the guide sleeve; it is cyclic annular even a plurality of universal ball to detect dish one side, the rigidity that detects dish one side and be located the universal ball outside has the cloth that keeps out the wind, it is fixed with the second mounting panel to detect the dish opposite side, the notch of bleeding has all been seted up with detecting the dish middle part to the second mounting panel, the notch of bleeding is connected with the exhaust tube.
Further, the mount includes the base, a base surface is the rectangle form and evenly is fixed with a plurality of gag lever posts, gag lever post one end is fixed with the spacing dish, spacing dish and gas holder cooperation, spacing dish week side is fixed with the U-shaped handle, a base relative surface is the rectangle form and is fixed with a plurality of walking wheels.
Further, power jar both sides face all is fixed with the third mounting panel, all be the cyclic annular on first mounting panel, second mounting panel and the third mounting panel and seted up a plurality of installation notches.
Further, the power jar is through first mounting panel, third mounting panel and telescopic link one end fixed connection, the power jar is through second mounting panel, third mounting panel and detection dish fixed connection.
Furthermore, a pull ring is fixed on one surface of the storage battery, which is far away from the detection disc, and the cross section of the pull ring is of an arc-shaped structure.
Further, the battery is cylindrical structure, the rubber sleeve is hollow cylinder structure, the battery external diameter is unanimous with the rubber sleeve internal diameter.
Further, the control device comprises a processor of the control unit, and the nitrogen sensor, the loudspeaker and the storage battery are electrically connected with the control device.
Further, the exhaust tube is of a Z-shaped structure, and the exhaust tube and the charging wire are both located on one side, away from the storage battery, of the partition plate.
The invention has the following beneficial effects:
1. according to the invention, after nitrogen in the gas storage tank is injected into the wing through the injection head for a period of time, a tester holds the telescopic rod by hand, adjusts the length of the telescopic rod to a length convenient for operation, brings the detection plate into contact with the welding seam and the joint of the wing, presses the switch button to turn on the storage battery, and the small fan operates to pump the gas in the detection plate through the exhaust pipe to push the telescopic rod to perform linear detection according to the guide frame and the guide wheel.
2. The storage battery is installed through the rubber sleeve, the storage battery, a small-sized air distributing machine and a connecting wire of a controller are placed in the strip-shaped notch, the charging wire is connected with the charging head through the annular notch, the guide frame is installed on the peripheral side face of the power tank through rotating the guide frame in a threaded mode, the air exhaust notch is aligned to the air exhaust pipe through lifting the detection disc, the second installation plate and the third installation plate are fixed through the bolts and the installation notches, the detection disc is installed on one side of the power tank, the wire inside the wire channel is connected with the storage battery, the first installation plate is aligned to the third connection plate, the telescopic rod is installed on the other side of the power tank through the bolts and the installation notches, installation and disassembly are facilitated, the use of a user is facilitated, and the overhauling and inspection efficiency of the detection device is improved.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the detecting device of the present invention;
FIG. 3 is a schematic perspective view of the air reservoir and the fixing frame of the present invention;
FIG. 4 is a schematic perspective view of the telescopic rod of the present invention;
FIG. 5 is an enlarged view of A of FIG. 4 according to the present invention;
FIG. 6 is a schematic perspective view of a power canister according to the present invention;
FIG. 7 is a schematic perspective view of the other side of the power tank of the present invention;
FIG. 8 is a schematic perspective view of a test tray according to the present invention;
FIG. 9 is a schematic perspective view of the other side of the test tray of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-air storage tank, 101-air pipe, 102-injection head, 2-detection device, 3-fixing frame, 301-base, 302-limiting rod, 303-limiting disk, 304-U-shaped handle, 305-traveling wheel, 4-telescopic rod, 401-connecting block, 402-connecting column, 403-first mounting plate, 404-wire channel, 405-rubber pad, 406-switch button, 5-power tank, 501-partition plate, 502-rubber sleeve, 503-storage battery, 504-strip notch, 505-small fan, 506-control device, 507-air exhaust pipe, 508-nitrogen sensor, 509-loudspeaker, 510-charging head, 511-annular notch, 512-charging wire, 513-guide frame, 514-guide sleeve, 515-guide wheel, 516-third mounting plate, 517-mounting notch, 518-pull ring, 6-detection disk, 601-universal ball, 602-wind blocking cloth, 603-second mounting plate, 604-air exhaust notch.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-9, the invention relates to an air tightness detecting device for airplane wings, which comprises an air storage tank 1 and a detecting device 2, wherein a fixing frame 3 is fixed on the outer surface of the air storage tank 1, nitrogen is stored in the air storage tank 1, and the fixing frame 3 is convenient for moving and fixing the air storage tank 1;
the detection device 2 comprises a telescopic rod 4, a power tank 5 is fixed at one end of the telescopic rod 4, a detection disc 6 is fixed at one end of the power tank 5, and the telescopic rod 4 is used for conveniently adjusting the length and facilitating the use of a user;
one end of the air storage tank 1 is fixedly communicated with an air pipe 101, one end of the air pipe 101 is fixedly communicated with an injection head 102, and the air pipe 101 is a long hose;
connecting blocks 401 are fixed on opposite sides of the circumferential side face of one end of the telescopic rod 4, a connecting column 402 is connected between the two connecting blocks 401 in a rotating mode through a rotating shaft, the connecting column 402 and the power tank 5 can be driven to overturn by the aid of the connecting blocks 401 and the rotating shaft, a first mounting plate 403 is fixed to one end of the connecting column 402, a wire channel 404 is formed in the middle of the first mounting plate 403, the connecting column 402 and the telescopic rod 4, a wire needing to be connected with a switch button 406 is placed by the aid of the wire channel 404, and the switch button 406 is arranged at one end, far away from the detection disc 6, of the telescopic rod 4.
The outer surface of the other end of the telescopic rod 4 is sleeved with a rubber pad 405, and the rubber pad 405 improves the comfort level of a user and improves the friction force. And the switch button 406 is provided on the telescopic rod 4 at a position corresponding to the rubber pad 405 so as to facilitate the operation of the switch button 406 when the user grips the rubber pad 405.
A partition plate 501 is fixed inside the power tank 5, a rubber sleeve 502 is fixed on one side of the partition plate 501, a storage battery 503 is detachably arranged on the inner surface of the rubber sleeve 502, a strip-shaped notch 504 is formed in the peripheral side face of the rubber sleeve 502, and a lead for connecting the storage battery 503, the small fan 505 and the control device 506 is placed by the strip-shaped notch 504.
The small-sized fan 505 and the control device 506 are fixed on the circumferential surface of the power tank 5, an air inlet of the small-sized fan 505 is fixedly communicated with an air exhaust pipe 507, a nitrogen sensor 508 in signal connection with the control device 506 is fixed inside the air exhaust pipe 507, the type of the nitrogen sensor 508 is SK-600-N2, one end of the air exhaust pipe 507 penetrates through one side of the power tank 5 and is located inside the power tank 5, a loudspeaker 509 in signal connection with the control device 506 is fixed on one surface of the control device 506, and the control device 506 can control whether the loudspeaker 509 is opened according to the detection result of the nitrogen sensor 508 to prompt a detector whether nitrogen is detected. And accelerate the gas that waits to detect the position to enter into the exhaust tube 507 through small-size fan 507, improved detection efficiency, obtain extracting air through small-size fan 507 simultaneously, also can guarantee gas to discharge from exhaust tube 507 as far as possible, like this when detecting the position nitrogen gas discharge, nitrogen gas will discharge from exhaust tube 507 as far as possible.
5 side of the week of power jar is fixed with the head 510 that charges, and annular notch 511 has been seted up at baffle 501 middle part, and annular notch 511 is used for interlude charging wire 512, and battery 503's output passes through charging wire 512 and is connected with the head 510 that charges, annular notch 511 and charging wire 512 clearance fit.
The circumferential side surface of the power tank 5 is in threaded connection with a guide frame 513, one end of the guide frame 513 is fixed with a guide sleeve 514, a guide wheel 515 is fixed inside the guide sleeve 514, and the relative position of the guide wheel 515 and a welding line is observed to facilitate detection due to the fact that the welding line is linear.
The detection disc 6 is annularly and uniformly fixed with a plurality of universal balls 601 on one side, the rolling of the universal balls 601 reduces the friction force between the detection disc 6 and the detection wing, the wind shielding cloth 602 is fixed on one side of the detection disc 6 and on the outer side of the universal balls 601, and the wind shielding cloth 602 can reduce the gas flow at the detection position to the outside to ensure the detection accuracy. The other side of the detection disc 6 is fixed with a second mounting plate 603, the middle parts of the second mounting plate 603 and the detection disc 6 are provided with air exhaust notches 604, and the air exhaust notches 604 are matched with an air exhaust pipe 507.
As shown in fig. 3, the fixing frame 3 includes a base 301 and a limiting disc 303 supported on the base 301 through a plurality of limiting rods 302, a limiting hole is formed in the middle of the limiting disc 303, the air storage tank 1 passes through the limiting hole and is supported on the base 301, and the limiting disc 303 and the limiting rods 302 are used in cooperation to stabilize the air storage tank 1. A U-shaped handle 304 is fixed on the circumferential surface of the limiting disc 303, a plurality of travelling wheels 305 are arranged on the lower surface of the base 301, and the travelling wheels 305 and the U-shaped handle 304 are used for moving the fixing frame 3 conveniently so as to move the air storage tank 1.
As shown in fig. 3, 5 and 9, third mounting plates 516 are fixed on both sides of the power tank 5, and a plurality of mounting notches 517 are annularly formed on the first mounting plate 403, the second mounting plate 603 and the third mounting plates 516.
Wherein, power jar 5 is through first mounting panel 403, third mounting panel 516, installation notch 517 and bolt and 4 one end fixed connection of telescopic link, and power jar 5 is through second mounting panel 603, third mounting panel 516, installation notch 517 and bolt and detection dish 6 fixed connection.
As shown in fig. 6, a pull ring 518 is fixed on a surface of the battery 503 away from the detection plate 6, a cross section of the pull ring 518 is an arc-shaped structure, and the battery can be pulled out from the interior of the rubber sleeve 502 by the pull ring 518.
As shown in fig. 6, the battery 503 has a cylindrical structure, the rubber sleeve 502 has a hollow cylindrical structure, the outer diameter of the battery 503 is the same as the inner diameter of the rubber sleeve 502, and the rubber sleeve 502 protects the battery 503.
The control device 506 includes a processor of the control unit, and the nitrogen sensor 508, the speaker 509 and the battery 503 are electrically connected to the control device 506.
As shown in fig. 7, the air exhaust duct 507 is of a zigzag structure, and the air exhaust duct 507 and the charging wire 512 are both located on the side of the separator 501 away from the battery 503.
One specific application of this embodiment is: when the wing air tightness detection is carried out, the wing is sealed, nitrogen in the air storage tank 1 is injected into an oil tank in the wing for a period of time through the injection head 102, a detection person holds the telescopic rod 4 by hand, the length of the telescopic rod 4 is adjusted to be convenient to operate, the detection disc 6 is contacted with a wing welding seam, the switch button 406 is pressed, the storage battery 503 supplies power to the control device 506 and the small fan 505, the small fan 505 operates to pump the gas in the detection disc 6 through the exhaust pipe 507, the telescopic rod 4 is pushed to carry out linear detection according to the guide frame 513 and the guide wheel 515, when the nitrogen sensor 508 detects the nitrogen injected into the wing, the nitrogen sensor 508 transmits a signal to the control device 506, the control device 506 controls the loudspeaker 509 to be opened, and the situation that the detection person has the leakage phenomenon is prompted.
When the detection device 2 is installed, the lead wire connecting the peripheral side surface of the storage battery 503 with the small fan 505 and the controller 506 is aligned with the strip-shaped notch 504, the storage battery 503 is pushed into the rubber sleeve 502, the charging wire 512 at one side of the storage battery 503 is pulled out from the annular notch 511 and is connected with the charging head 510 at the peripheral side of the power tank 5, the lead wire inside the strip-shaped notch 504 is connected with the small fan 505 and the controller 506, at this time, the storage battery 503 is installed, the guide frame 513 is rotated to install the guide frame 513 on the peripheral side surface of the power tank 5 in a threaded manner, the guide frame 513 is horizontal to the power tank 5, the detection disc 6 is picked up to align the air suction notch 604 with the air suction pipe 507, the second mounting plate 603 and the third mounting plate 516 are fixed by using the bolts and the mounting notches 517, the lead wire inside the lead wire channel 404 is connected with the storage battery 503 after the detection disc 6 is installed, the first mounting plate 403 is aligned with the third connecting plate 516, and the telescopic rod 4 is installed at one side of the power tank 5 by using the bolts and the mounting notches 517.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The air tightness detection device for the aircraft wings is characterized by comprising a telescopic rod (4), wherein a power tank (5) is fixed at one end of the telescopic rod (4), and a detection disc (6) is fixed at one end of the power tank (5); two opposite connecting blocks (401) are fixed on the circumferential surface of one end of the telescopic rod (4), a connecting column (402) is rotatably connected between the two connecting blocks (401) through a rotating shaft, a first mounting plate (403) is fixed at one end of the connecting column (402), and wire channels (404) are formed in the middle parts of the first mounting plate (403), the connecting column (402) and the telescopic rod (4);
the outer surface of the other end of the telescopic rod (4) is sleeved with a rubber pad (405), and a switch button (406) is arranged at a position corresponding to the rubber pad;
a partition plate (501) is fixed inside the power tank (5), a rubber sleeve (502) is fixed on one side of the partition plate (501), a storage battery (503) is detachably arranged on the inner surface of the rubber sleeve (502), and a strip-shaped notch (504) is formed in the circumferential surface of the rubber sleeve (502);
a small fan (505) and a control device (506) are arranged on the surface of the power tank (5), an air inlet of the small fan (505) is communicated with the power tank (5) through an air exhaust pipe (507), a nitrogen sensor (508) is fixed inside the air exhaust pipe (507), the control device (506) is connected with a loudspeaker (509) in a signal mode, and the control device (506) is used for controlling the nitrogen sensor (508);
a charging head (510) is fixed on the power tank (5), an annular notch (511) is formed in the middle of the partition plate (501), the output end of the storage battery (503) is connected with the charging head (510) through a charging wire (512), and the charging wire (512) penetrates through the annular notch (511);
the circumferential surface of the power tank (5) is in threaded connection with a guide frame (513), one end, far away from the power tank, of the guide frame (513) is fixed with a guide sleeve (514), a guide wheel (515) is fixed inside the guide sleeve (514), and the guide wheel (515) can abut against the surface of an airplane wing;
a plurality of universal balls (601) are uniformly fixed on one side of the detection disc (6) in an annular shape, a wind-shielding cloth (602) is fixed on one side of the detection disc (6) and is positioned at the outer side of the universal balls (601), a second mounting plate (603) is fixed on the other side of the detection disc (6), air-extracting notches (604) are formed in the middle parts of the second mounting plate (603) and the detection disc (6), and the air-extracting notches (604) are connected with an air-extracting pipe (507);
the air tightness detection device for the aircraft wing further comprises a gas storage tank (1) for storing nitrogen, and a fixing frame (3) is fixed on the outer surface of the gas storage tank (1); one end of the air storage tank (1) is fixedly communicated with an air pipe (101), and one end of the air pipe (101) is fixedly communicated with an injection head (102) used for injecting nitrogen into an oil tank in the wing of the airplane.
2. The air tightness detecting device for the aircraft wing according to claim 1, characterized in that the air storage tank (1) is supported on a fixed frame (3), the fixed frame (3) comprises a base (301) and a limiting disc (303) supported on the base (301) through a limiting rod (302), a limiting hole is arranged in the middle of the limiting disc (303), the air storage tank passes through the limiting hole and is supported on the base (301), a U-shaped handle (304) is fixed on the peripheral side surface of the limiting disc (303), and a plurality of traveling wheels (305) are fixed on the opposite surface of the base (301) in a rectangular shape.
3. The air tightness detection device for the aircraft wing according to claim 1, characterized in that third mounting plates (516) are fixed on two side surfaces of the power tank (5), the power tank (5) is fixedly connected with one end of the telescopic rod (4) through the first mounting plate (403) and the third mounting plates (516), and the power tank (5) is fixedly connected with the detection plate (6) through the second mounting plate (603) and the third mounting plates (516).
4. The device for detecting the airtightness of the wing of an aircraft according to claim 1, wherein a pull ring (518) is fixed to a surface of the storage battery (503) away from the detection disk (6), and a cross section of the pull ring (518) has an arc-shaped structure.
5. The device for detecting the airtightness of the aircraft wing according to claim 1, wherein the storage battery (503) has a cylindrical structure, the rubber sleeve (502) has a hollow cylindrical structure, and an outer diameter of the storage battery (503) is identical to an inner diameter of the rubber sleeve (502).
6. The device for detecting the airtightness of the wing of an aircraft according to claim 1, wherein the control device (506) includes a processor of a control unit, and the nitrogen sensor (508), the speaker (509) and the battery (503) are electrically connected to the control device (506).
7. The air tightness detecting device for the aircraft wing according to claim 1, characterized in that the air exhaust pipe (507) is of a zigzag structure, and the air exhaust pipe (507) and the charging wire (512) are both positioned on one side of the partition board (501) far away from the storage battery (503).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760520.0A CN108896245B (en) | 2018-07-12 | 2018-07-12 | Air tightness detection device for airplane wing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810760520.0A CN108896245B (en) | 2018-07-12 | 2018-07-12 | Air tightness detection device for airplane wing |
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| CN108896245A CN108896245A (en) | 2018-11-27 |
| CN108896245B true CN108896245B (en) | 2023-04-18 |
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| CN110186624B (en) * | 2019-05-29 | 2021-03-23 | 浙江海洋大学 | Multi-angle sealing detection device for ship production |
| CN110879122A (en) * | 2019-12-13 | 2020-03-13 | 西安飞机工业（集团）有限责任公司 | Device and method for detecting tightness of aircraft wing fuel tank |
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