CN114136531A - Multifunctional aviation pipeline detection device - Google Patents
Multifunctional aviation pipeline detection device Download PDFInfo
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- CN114136531A CN114136531A CN202111418583.6A CN202111418583A CN114136531A CN 114136531 A CN114136531 A CN 114136531A CN 202111418583 A CN202111418583 A CN 202111418583A CN 114136531 A CN114136531 A CN 114136531A
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- clamping
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- mounting seat
- connecting seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
A multifunctional aviation pipeline detection device belongs to the technical field of aviation pipeline detection. The device comprises a detection mechanism and a fixing mechanism, and is characterized in that the detection mechanism comprises a connecting seat, one end of the connecting seat is inserted and connected with an air outlet pipe, the other end of the connecting seat is connected with one end of a rotating mechanism, the other end of the rotating mechanism is connected with a clamping connector, the other end of the connecting seat is inserted and connected with an air guide pipe, the air guide pipe penetrates through the rotating mechanism and the clamping connector, a total pressure cavity is arranged inside the connecting seat, the air outlet pipe and the air guide pipe both extend into the total pressure cavity, the air guide pipe is matched and connected with the rotating mechanism and can rotate simultaneously, and the other end of the air guide pipe is provided with an air inlet nozzle. The invention can effectively solve the problem of poor accuracy of the testing direction of the existing detection device, and comprises a patch device for placing various sensors for detecting specific faults and fault degrees.
Description
Technical Field
The invention belongs to the technical field of aviation pipeline detection, and particularly relates to a multifunctional aviation pipeline detection device.
Background
Because the vibration mechanism of the aviation pipeline system is complex and the fault correlation is strong, the pipeline is very easy to generate unpredictable sudden rupture and collision in the flying process of the airplane. The failure reasons of the aviation pipeline system are various, wherein the pipeline vibration is the least one of the failure reasons, and the pipeline vibration is divided into two conditions, namely simple harmonic excitation caused by unbalance of an engine rotor, and pipeline failure is often caused by impact action and pulse excitation generated by transient excitation on the engine pipeline, so that the flight safety of an airplane is influenced. The pulse pressure can not be obviously damaged in the initial process of work, but with the increase of the working times and the increase of time, the frequency of the vibration has higher probability to be close to the natural frequency of the pipeline to cause accidents, and the fatigue fracture failure of the pipeline is also possible to occur; the other is that the occurrence of pipeline failure is aggravated, particularly the propagation of cracks is accelerated, so that the strength and the rigidity of the pipeline are sharply reduced, and finally, an aviation accident is caused. Therefore, it is very important and necessary to accurately identify early failure signals for early failure detection of aircraft pipelines
When the total pressure is measured by the bleed air pipeline, in order to ensure the accuracy of the measurement result, a small hole on the detection device must be aligned with the air flow direction, however, the common total pressure measurement mode is that a pipe is placed in the air flow, the axis of the hole of the pipe is aligned with the air flow direction, and the air inlet of the detection device cannot be aligned with the air flow direction, so that the problem of inaccurate measurement data is caused.
Disclosure of Invention
Aiming at the problems, the invention makes up the defects of the prior art and provides a multifunctional aviation pipeline detection device; the invention can effectively solve the problem of poor accuracy of the testing direction of the existing detection device, and comprises a patch device for placing various sensors for detecting specific faults and fault degrees.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention provides a multifunctional aviation pipeline detection device, which comprises a detection mechanism and a fixing mechanism and is characterized in that the detection mechanism comprises a connecting seat, one end of the connecting seat is inserted and connected with an air outlet pipe, the other end of the connecting seat is connected with one end of a rotating mechanism, the other end of the rotating mechanism is connected with a clamping connector, the other end of the connecting seat is inserted and connected with an air guide pipe, the air guide pipe penetrates through the rotating mechanism and the clamping connector, a total pressure cavity is arranged inside the connecting seat, the air outlet pipe and the air guide pipe both extend into the total pressure cavity, the air guide pipe is connected with the rotating mechanism in a matched manner and can rotate simultaneously, and an air inlet nozzle is arranged at the other end of the air guide pipe; the fixing mechanism comprises a mounting seat, the clamping connector is detachably connected with one end of the mounting seat in a matched mode, the air guide pipe axially penetrates through the mounting seat, one end of a pair of supporting rods is connected to the mounting seat, the other end of each supporting rod is connected with a supporting block, an adjusting rod penetrates through the supporting block, one end, close to the mounting seat, of the adjusting rod is connected with a clamping block, and the clamping block is in sliding fit with the supporting rods.
Further, rotary mechanism is including the first connecting block, swivel sleeve and the second connecting block that cooperate the connection in proper order, the swivel sleeve can be relative simultaneously first connecting block with the second connecting block rotates, first connecting block with connecting seat fixed connection, the second connecting block with joint fixed connection, the swivel sleeve inner wall is provided with the ring channel, be provided with the ring round pin on the air duct outer wall, the ring round pin with the ring channel is corresponding.
Furthermore, a sealing ring is arranged at the joint of the air duct and the connecting seat.
Further, a bearing is arranged in the clamping connector, and the air duct is movably connected with the bearing.
Furthermore, the bayonet joint is of a conical surface structure, the bayonet joint is inserted into the mounting seat, a limiting groove is formed in the outer wall of the bayonet joint, an elastic limiting convex ring is arranged in the mounting seat, and the elastic limiting convex ring corresponds to the limiting groove.
Furthermore, the air inlet nozzle is an L-shaped conical bent pipe, and an inlet of the air inlet nozzle forms an included angle of 90 degrees with the air guide pipe.
Furthermore, the supporting block is in threaded fit with the adjusting rod, and one end of the adjusting rod, which is close to the mounting seat, is in contact with the clamping block.
Further, the clamping block is detachably provided with a detection patch.
Further, the support rod is detachably clamped by the mounting seat through the arranged fixing pin.
Further, the support rod is detachably connected with the support block through a nut.
The invention has the beneficial effects.
The invention adopts a connector connection form, can ensure the compactness of the mounting structure, and has smaller overall occupied space and lighter weight; meanwhile, the direction of the air inlet nozzle can be adjusted by arranging the rotating mechanism, so that the azimuth precision of the air inlet nozzle can be effectively controlled, the accuracy of the airflow detection direction in the pipeline is ensured, and the detection efficiency and the accuracy of detection data are improved; in addition, various sensors can be connected through the monitoring patch, and can be used for detecting specific faults and fault degrees.
Drawings
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
FIG. 1 is a perspective view of the overall structure of the present invention during inspection.
Fig. 2 is a schematic structural view of the detection mechanism of the present invention.
Fig. 3 is a sectional view showing the entire structure of the detecting unit of the present invention at the time of detection.
Fig. 4 is an enlarged schematic view at a of fig. 3 of the present invention.
Fig. 5 is a top view of the securing mechanism of the present invention after installation.
The labels in the figure are: 1 is the connecting seat, 2 is the outlet duct, 3 is the joint, 4 is the air duct, 5 is total pressure chamber, 6 is the suction nozzle, 7 is the mount pad, 8 is the bracing piece, 9 is the supporting shoe, 10 is the regulation pole, 11 is the grip block, 12 is the detection paster, 13 is first connecting block, 14 is the swivel nut, 15 is the second connecting block, 16 is the ring channel, 17 is the ring pin, 18 is the sealing ring, 19 is the bearing, 20 is spacing recess, 21 is the spacing bulge loop of elasticity, 22 is the fixed pin, 23 is the nut, 24 is the aviation pipeline.
Detailed Description
With reference to the accompanying drawings, the embodiment provides a multifunctional aviation pipeline detection device, which comprises a detection mechanism and a fixing mechanism.
The detection mechanism comprises a connecting seat 1, one end of the connecting seat 1 is inserted and connected with an air outlet pipe 2, and the air outlet pipe 2 is used for being connected with a pressure sensor for detecting the pressure of the pipeline.
The other end of connecting seat 1 is connected with rotary mechanism's one end, rotary mechanism's the other end is connected with joint 3, rotary mechanism is including the first connecting block 13, swivel sleeve 14 and the second connecting block 15 that cooperate in proper order to connect, swivel sleeve 14 can rotate relative first connecting block 13 and second connecting block 15 simultaneously, first connecting block 13 and connecting seat 1 fixed connection, second connecting block 15 and joint 3 fixed connection.
The other end of connecting seat 1 inserts and is connected with air duct 4, and air duct 4 is provided with sealing ring 18 with the junction of connecting seat 1, guarantees the leakproofness between air duct 4 and the connecting seat 1, is favorable to improving the efficiency that detects and the accuracy of total pressure measurement data of pipeline.
The air duct 4 runs through the rotating mechanism and the clamping joint 3, an annular groove 16 is formed in the inner wall of the rotary sleeve 14, an annular pin 17 is arranged on the outer wall of the air duct 4, the annular pin 17 corresponds to the annular groove 16, and the rotary sleeve 14 can be rotated through external force to drive the air duct 4 to rotate. Be provided with bearing 19 in the joint head 3, air duct 4 and bearing 19 swing joint can guarantee that air duct 4 can rotate for joint head 3.
The inside of connecting seat 1 is provided with total pressure chamber 5, and outlet duct 2 all stretches into to total pressure chamber 5 with air duct 4 in, and pressure sensor is used for the pipeline pressure that detects obtains through detecting the pressure in total pressure chamber 5 indirectly.
The other end of air duct 4 is provided with inlet nozzle 6, and inlet nozzle 6 is the toper return bend of L type, and the entry and the air duct 4 of inlet nozzle 6 are 90 contained angles, guarantee that the direction that inlet nozzle 6 entered the mouth can just be to the direction that the interior gas of pipeline flows.
Fixing mechanism is used for the lug connection to wait to detect on the pipeline, and fixing mechanism includes mount pad 7, and joint 3 inserts to mount pad 7 in, is connected detection mechanism and fixing mechanism.
The outer wall of joint 3 is provided with spacing recess 20, be provided with the spacing bulge loop 21 of elasticity in the mount pad 7, the spacing bulge loop 21 of elasticity is corresponding with spacing recess 20, joint 3 is the conical surface structure, make things convenient for the spacing bulge loop 21 of elasticity to stretch out along the outer wall removal of joint 3 gradually, after certain degree of depth in joint 3 inserted mount pad 7, the spacing bulge loop 21 of elasticity stretches into in the spacing recess 20, make joint 3 and mount pad 7 relatively fixed, make joint 3 can not break away from mount pad 7.
The air duct 4 axially penetrates through the mounting base 7, and the air duct 4 is provided with an air inlet nozzle 6 which extends into the aviation pipeline 24 from a through hole formed in advance in the aviation pipeline 24 to be detected for detection.
One end of a pair of support rods 8 is connected to the mounting seat 7, and the support rods 8 are detachably clamped by the mounting seat 7 through the arranged fixing pins 22.
The other end of the support rod 8 is connected with a support block 9, and the support rod 8 is detachably connected with the support block 9 through a nut 23.
An adjusting rod 10 penetrates through the supporting block 9, the supporting block 9 is in threaded fit with the adjusting rod 10, one end, close to the mounting seat 7, of the adjusting rod 10 is in contact connection with a clamping block 11, and the clamping block 11 is in sliding fit with the supporting rod 8. When the fixing mechanism is installed, the mounting seat 7 and the clamping block 11 clamp the aviation pipeline 24 in the middle, and the adjusting rod 10 is rotated to push the clamping block 11 to move towards the aviation pipeline 24 until the mounting seat 7 and the clamping block 11 firmly clamp the aviation pipeline 24 so as to fix the detection device on the aviation pipeline 24.
The detachably is provided with detection paster 12 on grip block 11, install at aviation pipeline 24 back at detection device, the unsettled part of detection paster 12 can paste on aviation pipeline 24, when detecting aviation pipeline 24 pressure, can also connect various detection sensors such as acceleration sensor on detecting paster 12, acceleration sensor can spread specific amplitude, data such as frequency, data analysis is being carried out, just can know specific trouble and fault level, for example the crackle of aviation pipeline 24, pit etc..
After detection device installs on aviation pipeline 24, and be connected with equipment such as external sensor, through rotating rotary mechanism, thereby make air duct 4 rotate the direction of adjustment suction nozzle 6, the position precision of effective control suction nozzle 6, when having gas to pass through in aviation pipeline 24 this moment, suction nozzle 6 just can pass through air duct 4 with gas and transmit to total pressure chamber 5 in, and carry gas to outside pressure sensor in through outlet duct 2, measure the accurate data of total pressure of pipeline through pressure sensor.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (10)
1. A multifunctional aviation pipeline detection device comprises a detection mechanism and a fixing mechanism, and is characterized in that, the detection mechanism comprises a connecting seat (1), one end of the connecting seat (1) is inserted and connected with an air outlet pipe (2), the other end of the connecting seat (1) is connected with one end of a rotating mechanism, the other end of the rotating mechanism is connected with a clamping joint (3), the other end of the connecting seat (1) is inserted and connected with an air duct (4), the air duct (4) penetrates through the rotating mechanism and the clamping connector (3), a total pressure cavity (5) is arranged in the connecting seat (1), the air outlet pipe (2) and the air guide pipe (4) both extend into the total pressure cavity (5), the air guide pipe (4) is matched and connected with the rotating mechanism and can rotate at the same time, and an air inlet nozzle (6) is arranged at the other end of the air guide pipe (4); the fixing mechanism comprises a mounting seat (7), the clamping connector (3) is detachably connected with one end of the mounting seat (7) in a matched mode, the air guide pipe (4) axially penetrates through the mounting seat (7), one end of a pair of supporting rods (8) is connected to the mounting seat (7), the other end of each supporting rod (8) is connected with a supporting block (9), the supporting blocks (9) are provided with adjusting rods (10), the adjusting rods (10) are close to one ends of the mounting seat (7) and are connected with clamping blocks (11), and the clamping blocks (11) are in sliding fit with the supporting rods (8).
2. The multifunctional aviation pipeline detection device according to claim 1, wherein the rotating mechanism comprises a first connecting block (13), a rotating sleeve (14) and a second connecting block (15) which are sequentially connected in a matched manner, the rotating sleeve (14) can rotate relative to the first connecting block (13) and the second connecting block (15), the first connecting block (13) is fixedly connected with the connecting seat (1), the second connecting block (15) is fixedly connected with the clamping connector (3), an annular groove (16) is formed in the inner wall of the rotating sleeve (14), an annular pin (17) is arranged on the outer wall of the air duct (4), and the annular pin (17) corresponds to the annular groove (16).
3. The multifunctional aviation pipeline detection device according to claim 1, wherein a sealing ring (18) is arranged at the joint of the air duct (4) and the connecting seat (1).
4. The multifunctional aviation pipeline detection device according to claim 1, wherein a bearing (19) is arranged in the clamping connector (3), and the air duct (4) is movably connected with the bearing (19).
5. The multifunctional aviation pipeline detection device as claimed in claim 1, wherein the clamping head (3) is of a conical surface structure, the clamping head (3) is inserted into the mounting seat (7), a limiting groove (20) is formed in the outer wall of the clamping head (3), an elastic limiting convex ring (21) is arranged in the mounting seat (7), and the elastic limiting convex ring (21) corresponds to the limiting groove (20).
6. The multifunctional aviation pipeline inspection device according to claim 1, wherein the air inlet nozzle (6) is an L-shaped tapered elbow, and the inlet of the air inlet nozzle (6) is at an angle of (90) ° with respect to the air duct (4).
7. The multifunctional aviation pipeline detection device as claimed in claim 1, wherein the support block (9) is in threaded fit with the adjusting rod (10), and one end of the adjusting rod (10) close to the mounting seat (7) is in contact with the clamping block (11).
8. The multifunctional aviation pipeline detection device according to claim 1, wherein a detection patch (12) is detachably arranged on the clamping block (11).
9. A multifunctional aviation pipeline inspection device according to claim 1, wherein the mounting seat (7) is used for detachably clamping the support rod (8) through a fixing pin (22).
10. A multifunctional aircraft pipeline inspection device according to claim 1, characterized in that the support bar (8) and the support block (9) are detachably connected by a nut (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418583.6A CN114136531B (en) | 2021-11-26 | 2021-11-26 | Multifunctional aviation pipeline detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418583.6A CN114136531B (en) | 2021-11-26 | 2021-11-26 | Multifunctional aviation pipeline detection device |
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| CN114136531A true CN114136531A (en) | 2022-03-04 |
| CN114136531B CN114136531B (en) | 2023-05-09 |
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| CN114136531B (en) | 2023-05-09 |
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