CN115452861B - Corrugated pipe surface crack detection device for spaceflight - Google Patents
Corrugated pipe surface crack detection device for spaceflight Download PDFInfo
- Publication number
- CN115452861B CN115452861B CN202211026211.3A CN202211026211A CN115452861B CN 115452861 B CN115452861 B CN 115452861B CN 202211026211 A CN202211026211 A CN 202211026211A CN 115452861 B CN115452861 B CN 115452861B
- Authority
- CN
- China
- Prior art keywords
- corrugated pipe
- positioning
- range finder
- laser range
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000002184 metal Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
-
- 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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a corrugated pipe surface crack detection device for spaceflight, which relates to the technical field of corrugated pipe production equipment and comprises a detection table and a corrugated pipe, wherein a clamp assembly for positioning and fixing the corrugated pipe to be detected is arranged on the detection table; the fixture assembly comprises two groups of oppositely arranged positioning ends and a driving mechanism, wherein the positioning ends are used for being inserted into pipe core ends at two ends of the corrugated pipe, and the driving mechanism is connected with the positioning ends and used for driving the positioning ends at two sides to move so as to be inserted into the pipe core ends and attached to the pipe wall; the infrared monitoring assembly comprises a first laser range finder and a second laser range finder which are oppositely arranged on the support plate, wherein the first laser range finder is used for carrying out infrared monitoring on the large-diameter end of the corrugated pipe, and the second laser range finder is used for carrying out infrared detection on the small-diameter end of the corrugated pipe; compared with the prior art that only liquid is adopted to detect the corrugated pipe, the precision is higher, and even if micro cracks appear on the surface of the corrugated pipe, the detection can be carried out.
Description
Technical Field
The invention relates to the technical field of corrugated pipe production equipment, in particular to a corrugated pipe surface crack detection device for spaceflight.
Background
The metal corrugated pipe is used as a flexible pressure-resistant pipe fitting and is arranged in a liquid conveying system to compensate the mutual displacement of connecting ends of a pipeline or a machine and equipment, absorb vibration energy, play roles in vibration reduction, noise reduction and the like, and have the characteristics of good flexibility, light weight, corrosion resistance, fatigue resistance, high and low temperature resistance and the like;
With the continuous improvement of the metal corrugated pipe manufacturing technology, the performance of the metal corrugated pipe is improved, the application range is wider, and the metal corrugated pipe can be used as a sensitive element, a damping element, a compensation element, a sealing element, a valve element and a pipeline connecting piece and is applied to the aviation field;
In the prior art, a liquid detection method is generally adopted to detect the tightness of the corrugated pipe, in the detection process, one end of the corrugated pipe is sealed, detection liquid is introduced into the other end of the corrugated pipe, and when no liquid seeps out, the corrugated pipe is qualified in detection, however, the detection mode is poor in precision, and the part of the corrugated pipe which is not completely cracked still does not leak out detection liquid, so that the detection is inaccurate.
Disclosure of Invention
The invention aims to provide a corrugated pipe surface crack detection device for spaceflight, which solves the following technical problems:
The detection mode is poor in precision, and for the part of the corrugated pipe which is not completely cracked, detection liquid still does not leak out, so that the detection is inaccurate.
The aim of the invention can be achieved by the following technical scheme:
The corrugated pipe surface crack detection device for the aerospace comprises a detection table and a corrugated pipe, wherein a clamp assembly for positioning and fixing the corrugated pipe to be detected is arranged on the detection table;
the fixture assembly comprises two groups of oppositely arranged positioning ends and a driving mechanism, wherein the positioning ends are used for being inserted into pipe core ends at two ends of the corrugated pipe, and the driving mechanism is connected with the positioning ends and used for driving the positioning ends at two sides to move so as to be inserted into the pipe core ends and attached to the pipe wall;
The infrared monitoring assembly comprises a first laser range finder and a second laser range finder which are oppositely arranged on the support plate, wherein the first laser range finder is used for carrying out infrared monitoring on the large-diameter end of the corrugated pipe, and the second laser range finder is used for carrying out infrared detection on the small-diameter end of the corrugated pipe;
the rotating mechanism is connected with the positioning end head and is used for driving the positioning end head to rotate so as to adjust the angle of the corrugated pipe;
the support plate is connected with an adjusting mechanism for driving the support plate to move along the axial direction of the corrugated pipe to be detected.
Preferably, the driving mechanism comprises a positioning bracket arranged on the detection table, two groups of push rods are arranged in the positioning bracket in a sliding manner, the tail ends of the push rods are fixedly connected with push plates arranged in the bracket in a sliding manner, and the push plates are connected with the positioning end heads through clamping rods;
wherein, two groups of push rods are respectively connected with a pushing mechanism for driving the push rods to slide in the bracket.
Preferably, the pushing mechanism comprises a main gear which is rotationally arranged in the bracket, one end of the main gear is fixedly provided with a handle, two sides of the main gear are respectively meshed with rack plates which are alternately arranged, and the rack plates are slidingly arranged in the bracket and the tail ends of the rack plates are fixedly connected with the push rods.
Preferably, the rotating mechanism comprises a large gear arranged between a group of positioning ends and the clamping rods, one end of the large gear is rotationally connected with the clamping rods, and the other end of the large gear is fixedly connected with the positioning ends;
Wherein, the logical groove has been seted up to support one side, has slided and has been laid the L type mounting panel with push rod fixed connection between logical groove, and L type mounting panel terminal bottom is equipped with first motor, and first motor telescopic end fixed mounting has the pinion with gear wheel meshing.
Preferably, the adjusting mechanism comprises a synchronous belt box body and a second motor which are arranged at the bottom of the bracket, the output end of the second motor is in transmission connection with a synchronous belt wheel mechanism arranged in the synchronous belt box body, and the synchronous belt is fixedly connected with the support plate.
Preferably, the board is provided with a chute, a limiting board for fixing the first laser range finder and the second laser range finder is arranged on the chute in a sliding manner, and an air cylinder fixedly connected with the limiting board is arranged at the bottom of the supporting board.
Preferably, the positioning end is of a hollow structure, the end part of the positioning end is provided with a liquid injection port, the detection platform is provided with a liquid storage tank body, and a plurality of groups of liquid discharge tanks are uniformly distributed on the liquid storage tank body;
two groups of pressure pumps are oppositely arranged on one side of the liquid storage box body, and the pressure pumps are connected with the clamping rods through infusion tubes.
Preferably, an annular groove is formed between the positioning ends, and an elastic sealing ring is embedded in the annular groove;
wherein, the annular groove is also provided with a through hole communicated with the liquid injection port.
The invention has the beneficial effects that:
according to the invention, when the wall of the corrugated pipe is cracked, the first laser range finder and the second laser range finder judge that the crack is generated based on the change of the distance between the first laser range finder and the wall of the corrugated pipe, and the first laser range finder and the second laser range finder are synchronous, and the adjusting mechanism drives the support plate to move a group of distances with the width of the corrugated pipe each time, so that the continuity detection of the corrugated pipe can be realized;
In the invention, when the detection liquid leaks due to the occurrence of cracks of the corrugated pipe, the falling detection liquid flows back into the liquid storage tank again through the liquid discharge groove, so that the cyclic recycling can be realized, and resources are saved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a device for detecting surface cracks of a corrugated pipe for aerospace according to the present invention;
FIG. 2 is a schematic diagram II of a device for detecting surface cracks of a corrugated pipe for aerospace according to the present invention;
FIG. 3 is a schematic diagram III of a device for detecting surface cracks of a corrugated pipe for aerospace according to the present invention;
FIG. 4 is an enlarged schematic view of the bellows surface crack detection device for aerospace of the present invention at A in FIG. 1;
FIG. 5 is a schematic structural view of a clamping rod in the corrugated pipe surface crack detection device for aerospace according to the invention;
FIG. 6 is a schematic view of the structure of a through hole in the corrugated tube surface crack detection device for aerospace according to the present invention;
FIG. 7 is a schematic structural view of an annular groove in the corrugated pipe surface crack detection device for aerospace according to the invention;
FIG. 8 is a schematic view of the structure of a bellows in the bellows surface crack detection apparatus for aerospace according to the present invention.
In the figure: 1. a detection table; 2. a timing belt housing; 3. a bracket; 4. a main gear; 5. an L-shaped mounting plate; 6. a push plate; 7. a pressure pump; 8. a support plate; 9. a bellows; 101. a liquid storage tank body; 102. a liquid discharge tank; 201. a second motor; 301. a through groove; 401. a handle; 501. a first motor; 502. a pinion gear; 503. a large gear; 601. a push rod; 602. rack plate; 701. an infusion tube; 702. a clamping rod; 703. positioning the end head; 704. a liquid injection port; 705. an elastic sealing ring; 706. a through hole; 707. an annular groove; 801. a cylinder; 802. a chute; 803. a limiting plate; 804. a second laser rangefinder; 805. the first laser range finder.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-3, the invention discloses a corrugated pipe surface crack detection device for spaceflight, which comprises a detection table 1 and a corrugated pipe 9, wherein a clamp assembly for positioning and fixing the corrugated pipe to be detected is arranged on the detection table 1;
the clamp assembly comprises two groups of oppositely arranged positioning ends 703 which are used for being inserted into the pipe core ends at the two ends of the corrugated pipe 9 and a driving mechanism;
the driving mechanism is connected with the positioning end heads 703 and is used for driving the positioning end heads 703 at two sides to move so as to be spliced to the pipe core end to be attached to the pipe wall, so that positioning and fixing are realized;
The infrared monitoring assembly comprises a first laser range finder 805 and a second laser range finder 804 which are oppositely arranged on the support plate 8, wherein the first laser range finder 805 is used for carrying out infrared monitoring on the large-diameter end of the corrugated pipe 9, and the second laser range finder 804 is used for carrying out infrared detection on the small-diameter end of the corrugated pipe 9;
the rotating mechanism is connected with the positioning end 703 and is used for driving the positioning end 703 to rotate so as to adjust the angle of the corrugated pipe 9;
The support plate 8 is connected with an adjusting mechanism for driving the support plate to move along the axis direction of the corrugated pipe 9 to be detected; in one embodiment of the present invention, the bellows 9 to be detected is placed between the positioning ends 703 at two sides, the driving mechanism is started, the positioning ends 703 at two sides are driven by the driving mechanism to synchronously move towards the direction of the bellows 9, so that the positioning ends 703 are inserted into the pipe centers at two ends of the bellows 9 to realize positioning and fixing, and then, the first laser rangefinder 805 and the second laser rangefinder 804 are started, and simultaneously, the positioning ends 703 are driven by the rotating mechanism to rotate, the positioning ends 703 drive the bellows 9 to rotate in the rotating process, the first laser rangefinder 805 and the second laser rangefinder 804 respectively perform infrared detection on the large diameter end and the small diameter end of the bellows 9, when the wall of the bellows 9 has cracks, the first laser rangefinder 805 and the second laser rangefinder 804 judge that the cracks have occurred based on the change of the distance between the wall of the bellows 9, and the adjusting mechanism drives the support plate 8 to move a group of distances of the width of the bellows 9 each time, so that the continuous detection on the bellows 9 can be realized.
Referring to fig. 4, the driving mechanism includes a positioning bracket 3 disposed on the detection platform 1, two sets of push rods 601 are disposed in the positioning bracket 3 in a sliding manner, the ends of the push rods 601 are fixedly connected with a push plate 6 disposed in the bracket 3 in a sliding manner, and the push plate 6 is connected with a positioning end 703 through a clamping rod 702;
Wherein, the two groups of push rods 601 are respectively connected with a pushing mechanism for driving the push rods to slide in the bracket 3; in one embodiment of the invention, the push rods 601 are pushed to slide in the bracket 3 by the pushing mechanism, and the two groups of push rods 601 push the positioning ends 703 to move by the push plate 6 and the clamping rods 702 respectively, so as to drive the positioning ends 703 at two sides to synchronously approach or separate, thereby realizing the disassembly and assembly of the corrugated pipe 9;
Referring to fig. 5, the pushing mechanism includes a main gear 4 rotatably disposed in the bracket 3, one end of the main gear 4 is fixedly provided with a handle 401, two sides of the main gear 4 are respectively engaged with rack plates 602 disposed in a staggered manner, the rack plates 602 are slidably disposed in the bracket 3, and the end of the rack plates is fixedly connected with a push rod 601; when the corrugated pipe 9 is fixed in position, the rotating handle 401 drives the main gear 4 to rotate, the main gear 4 drives the push rod 601 to horizontally slide in the bracket 3 in the process of meshing with the rack plates 602 on two sides, and when the corrugated pipe 9 needs to be disassembled, the handle 401 is reversely rotated, so that the corrugated pipe 9 clamp assembly has higher adjustability, can realize the positioning fixation of the corrugated pipes 9 with different lengths, and has wider application range.
Referring to fig. 6, the rotating mechanism includes a large gear 503 disposed between a set of positioning ends 703 and a clamping rod 702, one end of the large gear 503 is rotationally connected to the clamping rod 702, and the other end is fixedly connected to the positioning ends 703;
Wherein, a through groove 301 is arranged on one side of the bracket 3, an L-shaped mounting plate 5,L fixedly connected with a push rod 601 is arranged between the through grooves 301 in a sliding way, a first motor 501 is arranged at the bottom of the tail end of the L-shaped mounting plate 5,L, and a pinion 502 meshed with a large gear 503 is fixedly arranged at the telescopic end of the first motor 501; the first motor 501 is started, the output end of the first motor 501 drives the pinion 502 to rotate, the pinion 502 drives the positioning end 703 to rotate through the large gear 503 in the rotating process, and the positioning end 703 drives the corrugated pipe 9 to rotate in the rotating process, so that the angle adjustment of the corrugated pipe 9 is realized, and the pipe crack detection is facilitated.
The adjusting mechanism comprises a synchronous belt box body 2 and a second motor 201 which are arranged at the bottom of the bracket 3, the output end of the second motor 201 is in transmission connection with a synchronous belt wheel mechanism arranged in the synchronous belt box body 2, the synchronous belt is fixedly connected with the support plate 8, the second motor 201 is started, and the second motor 201 drives the support plate 8 to displace a group of corrugated widths each time through the synchronous belt wheel and the synchronous belt, so that the continuity detection of the corrugated pipe 9 is realized;
The support plate 8 is provided with a chute 802, a limiting plate 803 for fixing a first laser range finder 805 and a second laser range finder 804 is arranged on the chute 802 in a sliding manner, and a cylinder 801 fixedly connected with the limiting plate 803 is arranged at the bottom of the support plate 8; when the large diameter end and the small diameter end of the corrugated pipe 9 are subjected to crack detection, the cylinder 801 is started, the cylinder 801 pushes the limiting plate 803 to slide on the support plate 8, and then the distance between the first laser range finder 805 and the distance between the second laser range finder 804 and the corrugated pipe 9 are adjusted, so that the detection precision is improved.
Referring to fig. 7, the positioning end 703 is hollow, and has a liquid injection port 704 at the end, the detection platform 1 is provided with a liquid storage tank 101, and a plurality of groups of liquid discharge tanks 102 are uniformly distributed on the liquid storage tank 101;
Two groups of pressure pumps 7 are oppositely arranged on one side of the liquid storage box body 101, the pressure pumps 7 are connected with a clamping rod 702 through a liquid conveying pipe 701, and the central ends of the clamping rod 702 and a large gear 503 are hollow structures and are used for conveying detection liquid; in one embodiment of the present invention, when the sealing detection is performed on the bellows 9, the pressure pump 7 at one side conveys the detection liquid in the liquid storage tank 101 to the positioning end 703 through the liquid conveying pipe 701 and the clamping rod 702, and finally conveys the detection liquid into the bellows 9 through the liquid injection port 704, and the other side pressure pump 7 pumps the liquid, so that the detection liquid can be injected into the bellows 9 in a state of keeping the pressure balance in the bellows 9 by arranging two groups of pressure pumps 7, so as to facilitate the sealing detection on the bellows 9;
Referring to fig. 8, an annular groove 707 is formed between the positioning ends 703, and an elastic sealing ring 705 is embedded in the annular groove 707;
Wherein the annular groove 707 is further provided with a through hole 706 communicating with the liquid filling port 704; when the detection liquid is injected into the corrugated pipe 9, when the detection liquid is conveyed to the positioning end 703, part of the liquid enters the annular groove 707 through the through hole 706, the elastic sealing ring 705 expands under the action of liquid pressure and can be fully attached to the inner wall of the corrugated pipe 9 to seal the two ends of the corrugated pipe 9, so that the detection liquid is effectively prevented from leaking from the two ends of the corrugated pipe 9.
Examples
Step one, placing a bellows 9 to be detected in the middle of positioning ends 703 at two sides, rotating a handle 401 to drive a main gear 4 to rotate, driving a push rod 601 to horizontally slide in a bracket 3 by the main gear 4 in the process of being meshed with rack plates 602 at two sides, respectively pushing the positioning ends 703 to move by the push plate 6 and a clamping rod 702 to drive the positioning ends 703 at two sides to synchronously approach, and plugging the positioning ends 703 at two sides to the pipe center end to be attached to the pipe wall;
step two, a side pressure pump 7 conveys the detection liquid in the liquid storage tank body 101 to a positioning end 703 through a liquid conveying pipe 701 and a clamping rod 702, and finally to the corrugated pipe 9 through a liquid injection port 704;
Step three, starting a first motor 501, wherein the output end of the first motor 501 drives a pinion 502 to rotate, the pinion 502 drives a positioning end 703 to rotate through a large gear 503 in the rotating process, and the positioning end 703 drives a corrugated pipe 9 to rotate in the rotating process to judge whether the corrugated pipe 9 leaks or not;
Step four, starting a first laser range finder 805 and a second laser range finder 804, and performing infrared monitoring on the large-diameter end and the small-diameter end of the corrugated pipe 9, wherein the first laser range finder 805 and the second laser range finder 804 judge that cracks appear based on the change of the distance between the first laser range finder and the pipe wall of the corrugated pipe 9;
Step five, starting the second motor 201, and driving the support plate 8 to displace a group of corrugated widths each time by the second motor 201 through the synchronous pulley and the synchronous belt, so as to realize continuity detection of the corrugated pipe 9.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. The corrugated pipe surface crack detection device for the aerospace comprises a detection table (1) and a corrugated pipe (9), and is characterized in that a clamp assembly for positioning and fixing the corrugated pipe to be detected is arranged on the detection table (1);
The fixture assembly comprises two groups of positioning ends (703) which are oppositely arranged and are used for being inserted into pipe core ends at two ends of the corrugated pipe (9) and a driving mechanism, wherein the driving mechanism is connected with the positioning ends (703) and is used for driving the positioning ends (703) at two sides to move so as to be inserted into the pipe core ends and be attached to the pipe wall;
The infrared monitoring assembly comprises a first laser range finder (805) and a second laser range finder (804) which are oppositely arranged on the support plate (8), the first laser range finder (805) is used for carrying out infrared monitoring on the large-diameter end of the corrugated pipe (9), and the second laser range finder (804) is used for carrying out infrared detection on the small-diameter end of the corrugated pipe (9);
The rotating mechanism is connected with the positioning end head (703) and is used for driving the positioning end head (703) to rotate so as to adjust the angle of the corrugated pipe (9);
The support plate (8) is connected with an adjusting mechanism for driving the support plate to move along the axis direction of the corrugated pipe (9) to be detected;
The driving mechanism comprises a positioning bracket (3) arranged on the detection table (1), two groups of push rods (601) are arranged in the positioning bracket (3) in a relatively sliding manner, the tail ends of the push rods (601) are fixedly connected with push plates (6) arranged in the positioning bracket (3) in a sliding manner, the push plates (6) are connected with positioning ends (703) through clamping rods (702), the positioning ends (703) are of hollow structures, liquid injection ports (704) are formed in the ends of the positioning ends (703), a liquid storage box body (101) is arranged on the detection table (1), and a plurality of groups of liquid discharge grooves (102) are uniformly distributed on the liquid storage box body (101);
Wherein, the two groups of push rods (601) are respectively connected with a pushing mechanism for driving the push rods to slide in the positioning bracket (3);
The pushing mechanism comprises a main gear (4) which is rotationally arranged in the positioning bracket (3), one end of the main gear (4) is fixedly provided with a handle (401), two sides of the main gear (4) are respectively meshed with rack plates (602) which are arranged in a staggered manner, the rack plates (602) are slidingly arranged in the positioning bracket (3), and the tail ends of the rack plates are fixedly connected with the push rods (601);
The rotating mechanism comprises a large gear (503) arranged between a group of positioning ends (703) and the clamping rods (702), one end of the large gear (503) is rotationally connected with the clamping rods (702), and the other end of the large gear is fixedly connected with the positioning ends (703);
Wherein, logical groove (301) has been seted up to locating support (3) one side, has slided between logical groove (301) and has been laid L type mounting panel (5) with push rod (601) fixed connection, and L type mounting panel (5) terminal bottom is equipped with first motor (501), and first motor (501) flexible end fixed mounting has pinion (502) with gear wheel (503) meshing.
2. The corrugated pipe surface crack detection device for spaceflight according to claim 1, wherein the adjusting mechanism comprises a synchronous belt box body (2) arranged at the bottom of the positioning bracket (3) and a second motor (201), the output end of the second motor (201) is in transmission connection with a synchronous belt wheel mechanism arranged in the synchronous belt box body (2), and the synchronous belt is fixedly connected with the support plate (8).
3. The corrugated pipe surface crack detection device for aerospace according to claim 2, wherein the support plate (8) is provided with a chute (802), a limiting plate (803) for fixing the first laser range finder (805) and the second laser range finder (804) is arranged on the chute (802) in a sliding mode, and an air cylinder (801) fixedly connected with the limiting plate (803) is arranged at the bottom of the support plate (8) oppositely.
4. The corrugated pipe surface crack detection device for aerospace according to claim 2, wherein two groups of pressure pumps (7) are oppositely arranged on one side of the liquid storage box body (101), and the pressure pumps (7) are connected with the clamping rods (702) through infusion pipes (701).
5. The device for detecting the surface cracks of the corrugated pipe for aerospace according to claim 4, wherein an annular groove (707) is formed between the positioning ends (703), and an elastic sealing ring (705) is embedded in the annular groove (707);
Wherein, the annular groove (707) is also provided with a through hole (706) communicated with the liquid injection port (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211026211.3A CN115452861B (en) | 2022-08-25 | 2022-08-25 | Corrugated pipe surface crack detection device for spaceflight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211026211.3A CN115452861B (en) | 2022-08-25 | 2022-08-25 | Corrugated pipe surface crack detection device for spaceflight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115452861A CN115452861A (en) | 2022-12-09 |
| CN115452861B true CN115452861B (en) | 2024-06-14 |
Family
ID=84299707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211026211.3A Active CN115452861B (en) | 2022-08-25 | 2022-08-25 | Corrugated pipe surface crack detection device for spaceflight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115452861B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337442B (en) * | 2023-05-23 | 2023-07-28 | 泰州市慧通机械工程有限公司 | Fixing device for shaft coupling detection |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896253A (en) * | 2018-05-02 | 2018-11-27 | 河南航天液压气动技术有限公司 | The seal test device and test method of bellows |
| CN109100086A (en) * | 2018-06-28 | 2018-12-28 | 芜湖泰和管业股份有限公司 | A kind of detection device detecting bellows air-tightness detection fixture |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507206A (en) * | 2018-11-20 | 2019-03-22 | 常州工学院 | A kind of bellows surface crack laser sensor detection device and method |
| CN215375131U (en) * | 2021-04-22 | 2021-12-31 | 六安一六八航空航天精密器件有限公司 | Manual inspection tool for corrugated pipe weld joint |
| CN215931189U (en) * | 2021-08-30 | 2022-03-01 | 陕西泽远石油技术服务有限公司 | Pipeline sealing inspection device for oil and gas exploitation |
-
2022
- 2022-08-25 CN CN202211026211.3A patent/CN115452861B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896253A (en) * | 2018-05-02 | 2018-11-27 | 河南航天液压气动技术有限公司 | The seal test device and test method of bellows |
| CN109100086A (en) * | 2018-06-28 | 2018-12-28 | 芜湖泰和管业股份有限公司 | A kind of detection device detecting bellows air-tightness detection fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115452861A (en) | 2022-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115452861B (en) | Corrugated pipe surface crack detection device for spaceflight | |
| CN103567609B (en) | For the formation of the method for welded seal | |
| CN111473926A (en) | Manifold airtightness detection device | |
| CN116448576A (en) | Metal tube blasting water pressure testing device | |
| CN216479481U (en) | Connecting flange with good sealing effect | |
| CN112629855A (en) | Bearing sealing performance detection device | |
| CN111579176B (en) | Mechanical seal environment testing system | |
| CN210123329U (en) | Device for detecting leakage outside autoclave | |
| CN116222892B (en) | Rubber glove air leakage detection equipment | |
| CN219551471U (en) | Corrosion-resistant detection device for inner wall of natural gas pipeline | |
| CN114054555B (en) | Capacitive sensor with bending design | |
| CN221006702U (en) | Detection device for detecting sealing performance of water inlet pipe | |
| CN220490146U (en) | Liquid seal water meter complete machine assembly watering device | |
| CN221173874U (en) | Engine test stand | |
| CN209820388U (en) | Compensator testing device | |
| CN220104402U (en) | Sealing performance detection device for PE three-way joint | |
| CN216483771U (en) | Adaptation multiplex condition's advanced multi-functional canned motor pump laboratory bench | |
| CN219299496U (en) | Gear pump test bench | |
| CN221238657U (en) | Commutator test device | |
| CN117030157A (en) | Automobile oil pipe tightness detection device | |
| CN220288905U (en) | Sealing detection device for pipeline | |
| CN220153831U (en) | Tightness testing device of exchanger | |
| CN219265453U (en) | Vertical lifting butt joint mechanism and diaphragm gas meter movement error curve detection table | |
| CN216717718U (en) | Device for rapidly detecting air tightness of battery pack sub-assembly | |
| CN219200568U (en) | Movement metering action detection mechanism and diaphragm type gas meter movement error curve detection table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |