CN114646023A - Infrasonic wave pipeline leakage monitoring and quick positioning device - Google Patents

Infrasonic wave pipeline leakage monitoring and quick positioning device Download PDF

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Publication number
CN114646023A
CN114646023A CN202210405414.7A CN202210405414A CN114646023A CN 114646023 A CN114646023 A CN 114646023A CN 202210405414 A CN202210405414 A CN 202210405414A CN 114646023 A CN114646023 A CN 114646023A
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China
Prior art keywords
support arm
shaft
pipeline
extension
infrasonic
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Granted
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CN202210405414.7A
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Chinese (zh)
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CN114646023B (en
Inventor
陈彬
傅诚铁
陈本锋
何锋
王海洋
魏向攀
余敬生
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CNOOC Fujian Gas Co Ltd
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CNOOC Fujian Gas Co Ltd
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Priority to CN202210405414.7A priority Critical patent/CN114646023B/en
Publication of CN114646023A publication Critical patent/CN114646023A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention relates to the technical field of pipeline detection, and discloses an infrasonic pipeline leakage monitoring and rapid positioning device which comprises a pipeline shell, wherein a three-fork support arm structure is arranged in the pipeline shell, the three-fork support arm structure comprises a first support arm, a second support arm and a third support arm, the second support arm is arranged on one side of the first support arm, the third support arm is arranged on the other side of the first support arm, a storage shell is arranged at one end of the first support arm, the second support arm and the third support arm are connected through the storage shell, an extension arm is arranged at one end of the first support arm, and a roller structure is symmetrically arranged at the top end of the extension arm. The invention can provide outward elastic effect for the elastic support shaft, so that the roller structure has an elastic movable range when contacting with the inner wall of the pipeline, and provides outward expanded elastic support force for the roller structure, so that the roller structure is always attached and connected with the inner wall of the pipeline. The infrasonic wave sensor is arranged in the support frame, and whether the pipeline leaks or not is detected by using an infrasonic wave signal.

Description

Infrasonic wave pipeline leakage monitoring and quick positioning device
Technical Field
The invention relates to the technical field of pipeline detection, in particular to an infrasonic pipeline leakage monitoring and quick positioning device.
Background
A pipeline leakage monitoring system, namely pipeline leakage information management, monitors liquid, crude oil or other liquid and gas in a transmission pipeline all day, minute and second, and once a pipeline generates perforation leakage, the monitoring system can alarm in time through the information management system and perform engineering monitoring system management in a fixed-point positioning mode, the core component of the pipeline leakage monitoring system is a pipeline leakage monitor which has the main functions of receiving and monitoring sound wave signals in the pipeline in real time and converting the sound wave signals into communication signals uninterruptedly for twenty-four hours, and transmitting the sound wave signals to a data acquisition transmission terminal RTU in real time through a communication cable, capture, amplification and noise suppression of weak signals are the keys of the sound wave pipeline leakage monitor, and when the pipeline leakage monitor in the prior art is used under the condition of a tiny leakage aperture, the weak infrasonic signals generated by leakage are generated, further attenuation over long distance transmission makes signal capture more difficult.
However, conventional pipeline detection usually carries out fixed mounting for adopting the detection structure to place alone at the assigned position, but this kind of mounting means, and installation and detection time measuring operate comparatively difficultly, are difficult to detect the operation to the inside multistage of device to can receive the interior environmental constraint of pipeline, if when there is ripple structure in the pipeline inner wall, can very big degree increase the connection difficulty degree of device, current infrasonic wave pipeline leakage monitoring and quick positioner.
Disclosure of Invention
The invention provides an infrasonic wave pipeline leakage monitoring and quick positioning device, which has the beneficial effects of high adaptability and quick installation, and solves the problems that the conventional pipeline detection mentioned in the background technology is usually carried out by adopting a detection structure to be independently placed at a specified position for fixed installation, but the installation mode is difficult to operate during installation and detection, is difficult to detect and operate multiple sections in the device and can be limited by the environment in the pipeline, and the connection difficulty degree of the device can be greatly increased if a corrugated structure exists on the inner wall of the pipeline.
The invention provides the following technical scheme: the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises a pipeline shell, wherein a trident supporting arm structure is arranged inside the pipeline shell, the trident supporting arm structure comprises a first supporting arm, a second supporting arm and a third supporting arm, the second supporting arm is arranged on one side of the first supporting arm, the third supporting arm is arranged on the other side of the first supporting arm, a storage shell is arranged at one end of the first supporting arm, the second supporting arm and the third supporting arm are connected through the storage shell, an extension arm is arranged at one end of the first supporting arm, and a roller structure is symmetrically arranged at the top end of the extension arm;
an extension pin is arranged at one end of the storage shell, a clamping pin end is arranged at one end of the extension pin, an infrasonic wave sensor is installed in the storage shell, a supporting inner frame is arranged in the storage shell, and the infrasonic wave sensor is installed in the supporting inner frame;
deposit one side of casing and still install cooperation connecting axle structure, cooperation connecting axle structure includes first connecting axle, second connecting axle and dust cover, the outside of first connecting axle and second connecting axle all is equipped with outer notch, the one end of first connecting axle and second connecting axle all is equipped with the conical surface.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the roller structure comprises a bottom attaching outer ring, an elastic telescopic shaft and a telescopic shaft, the bottom attaching outer ring is installed on one side of the connecting driving frame, the elastic telescopic shaft is installed on the inner wall of the bottom attaching outer ring, and a supporting inner shaft is installed at the lower end of the connecting driving frame.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: one end of the telescopic shaft is provided with an extension end, and the top end of the extension end is provided with a fitting sheet.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: and a negative pressure sucker is arranged on the outer side of the bottom attaching outer ring, and pressing convex surfaces are arranged at two ends of the bottom attaching outer ring.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the utility model discloses a portable electronic device, including extension arm, elastic support shaft, spacing perpendicular groove, rotatory movable sleeve is installed to the upper end of extension arm, the elastic support shaft is installed to the upper end of extension arm, the both sides of extension arm are equipped with spacing perpendicular groove, rotatory movable sleeve is installed to the upper end of first support arm, spacing spring is installed in the outside of elastic support shaft.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the outer side of the bottom pasting outer ring is provided with a push rod, the inner wall of the bottom pasting outer ring is symmetrically provided with a negative pressure cavity, the inside of the negative pressure cavity is provided with a sealing piston, and the negative pressure sucker is arranged on the upper surface of the negative pressure cavity.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the one end of first connecting axle is equipped with the telescopic shaft, connect through the telescopic shaft between the one end of second connecting axle and the first connecting axle, the support pivot pin is all installed at the both ends of telescopic shaft, be connected through the support pivot pin between telescopic shaft and first connecting axle and the second connecting axle.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: supporting spring is installed in the outside of telescopic shaft, supporting spring is used for providing the elasticity effect for telescopic shaft.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the one end of first connecting axle is equipped with first extension axle, the one end of second connecting axle is equipped with the second and extends the axle, the one end that the axle was extended to the second is equipped with spherical overcoat, the one end of first extension axle is equipped with the arc apical axis, spherical overcoat is used for the cover to establish in the arc apical axis outside.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave pipeline leakage monitoring and quick positioning device comprises: the spin is installed in the outside of arc apical axis, the spin is used for increasing the flexible degree of being connected between arc apical axis and the spherical overcoat.
As an alternative of the infrasonic wave pipeline leakage monitoring and quick positioning device, the infrasonic wave sensor is mounted on the supporting frame. In the operation process of the device, infrasonic signals in the pipeline are continuously received, and whether the pipeline leaks or not is judged by analyzing the infrasonic signals. The location of the leak is determined by recording the operating mileage and time.
The invention has the following beneficial effects:
1. the infrasonic wave pipeline leakage monitoring and rapid positioning device can connect a plurality of trigeminal supporting arm structures with each other through the matching of the trigeminal supporting arm structure and the matching connecting shaft structure, and is placed in a pipeline, the infrasonic wave sensor in each trigeminal supporting arm structure can detect the current area, the storage shells in the plurality of trigeminal supporting arm structures work simultaneously, a single area is changed into a detection circuit, so that the detection area is further prolonged, the extension range can be changed according to the number of the trigeminal supporting arm structures, if gas leaks, the accurate position of the leakage can be accurately detected, the device can realize the internal segmented detection function, and the trigeminal supporting arm structure can be pushed into the pipeline shell in sequence through the matching of the trigeminal supporting arm structure and the roller structure when the trigeminal supporting arm structure is installed, and the support is stable.
2. The infrasonic wave pipeline leakage monitoring and rapid positioning device has the advantages that through the matching of the bottom-attached outer ring and the extension end, when in use, the elastic telescopic shaft provides a supporting function for the bottom-attached outer ring, when the roller structure is attached to and rolls on the inner wall of the corrugated pipeline, the outer surface of the bottom-attached outer ring can be contacted with the inner wall of the corrugated pipeline, and forms a supporting effect, the outer ring of the bottom is stressed and shrinks inwards, when the bottom is shrunk, one end of the connecting driving frame extends outwards, and the other end of the connecting driving frame extends into the concave pit of the inner wall of the corrugated pipe to form a supporting effect, meanwhile, the friction force between the roller structure and the inner wall of the pipeline is increased, so that the roller structure is convenient to drive the three-fork supporting arm structure to move integrally, thereby the device has the movement support anti-skid function when being positioned on the inner wall of the corrugated pipeline, greatly improves the passing rate when the roller structure moves, and adapts to the environment of various pipeline inner walls.
3. This infrasonic wave pipeline leakage monitoring and quick positioner, through rotating rotatory movable sleeve, form the threaded connection state with the extension arm, and drive the extension arm and rise, and drive the gyro wheel structure and rise, thereby increase trident support arm structure's whole diameter, and the length of extension arm can be adjusted along with the diameter of pipeline, thereby make the device possess the regulation effect of multiple diameter, effect through spacing spring, can provide outside elastic effect to the elastic support axle, make the gyro wheel structure when with the contact of pipeline inner wall, possess the elasticity home range, provide outside expanded elastic support power for the gyro wheel structure, make the gyro wheel structure laminate with the pipeline inner wall all the time and be connected.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
Fig. 2 is a schematic structural diagram of the three-prong support arm of the present invention.
FIG. 3 is a schematic structural diagram of a roller according to the present invention.
FIG. 4 is a schematic view of the bottom-attached outer ring structure of the present invention.
FIG. 5 is a schematic view of the structure of FIG. 4A according to the present invention.
FIG. 6 is a schematic view of the inner structure of the bottom-attached outer ring of the present invention.
Fig. 7 is a schematic view of a connection structure of the first connecting shaft and the second connecting shaft according to the present invention.
In the figure: 1. a duct housing; 2. a three-fork support arm structure; 3. a first support arm; 4. a second support arm; 5. a third support arm; 6. storing the shell; 7. an extension arm; 8. a roller structure; 9. rotating the movable sleeve; 10. an infrasonic wave sensor; 11. an extension pin; 12. a latch end; 13. a first connecting shaft; 14. a second connecting shaft; 15. a dust cover; 16. supporting the inner frame; 17. a conical surface; 18. an outer notch; 19. a limiting spring; 20. a limiting vertical groove; 21. sticking a bottom outer ring; 22. an extension end; 23. a bonding sheet; 24. an elastic telescopic shaft; 25. supporting the inner shaft; 26. pressing the convex surface; 27. a negative pressure sucker; 28. a top rod; 29. a telescopic shaft; 30. a support spring; 31. supporting a shaft pin; 32. a first extension shaft; 33. a second extension shaft; 34. a spherical outer sleeve; 35. an arc-shaped top shaft; 36. rolling a ball; 37. a negative pressure chamber; 38. a sealing piston; 39. connecting a driving frame; 40. matching with a connecting shaft structure; 41. the shaft is elastically supported.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-7, the present embodiment discloses an infrasonic wave pipeline leakage monitoring and fast positioning device, including a pipeline housing 1, a trifurcate support arm structure 2 is installed inside the pipeline housing 1, the trifurcate support arm structure 2 includes a first support arm 3, a second support arm 4 and a third support arm 5, the second support arm 4 is installed on one side of the first support arm 3, the third support arm 5 is installed on the other side of the first support arm 3, a storage housing 6 is installed on one end of the first support arm 3, the second support arm 4 and the third support arm 5 are connected through the storage housing 6, an extension arm 7 is installed on one end of the first support arm 3, and a roller structure 8 is symmetrically installed on the top end of the extension arm 7;
an extension pin 11 is arranged at one end of the storage shell 6, a clamping pin end 12 is arranged at one end of the extension pin 11, an infrasonic wave sensor 10 is installed inside the storage shell 6, a supporting inner frame 16 is arranged inside the storage shell 6, and the infrasonic wave sensor 10 is installed inside the supporting inner frame 16;
deposit one side of casing 6 and still install cooperation connecting axle structure 40, cooperation connecting axle structure 40 includes first connecting axle 13, second connecting axle 14 and dust cover 15, and first connecting axle 13 all is equipped with outer notch 18 with the outside of second connecting axle 14, and first connecting axle 13 all is equipped with conical surface 17 with the one end of second connecting axle 14.
When in use, firstly, the infrasonic wave sensor 10 is placed in the storage shell 6, fixedly installed through the supporting inner frame 16, and connected and installed between the two three-fork supporting arm structures 2 through the matching connecting shaft structure 40, when in installation, one end of the first connecting shaft 13 corresponds to the middle position of the four extension pins 11, one end of the first connecting shaft 13 is inserted into the four extension pins 11, meanwhile, the clamping pin end 12 at one end of the extension pin 11 is clamped into the inner part of the outer notch 18, and the conical surface 17 has the function of ensuring that one end of the first connecting shaft 13 can be guided to the middle position of the extension pin 11 when the first connecting shaft 13 is inserted, the direction disorder of one end of the first connecting shaft 13 is avoided, and the same mode is adopted to connect one end of the second connecting shaft 14 with the other three-fork supporting arm structure 2, so that the two three-fork supporting arm structures 2 are connected with each other, and according to the length of the pipeline, several three-fork supporting arm structures 2 are connected, and the detection area in the pipeline is extended, and the model of the infrasonic wave sensor 10 is CC-1T, and said sensor can convert the measured infrasonic frequency fluctuation quantity in the air into electric capacity, and further implement conversion from non-electric quantity to electric quantity, on the basis of said detection circuit the capacitor variable quantity can be converted into voltage signal, and the electric signal can be transferred into a specific device, so that it can make judgement for current detection area, when the pipeline is full of gas, when its internal pressure is greater than external pressure, because the internal and external pressure difference is greater, once the container has leakage hole, the gas can be flushed out from the leakage hole, when the size of leakage hole is smaller and its Reynolds number is higher, the flushed gas can be formed into turbulent flow, and the turbulent flow can produce acoustic wave with a certain frequency near the leakage hole, and the acoustic wave position can be detected by infrasonic wave sensor 10, the infrasonic wave sensor 10 is arranged inside the storage shell 6, a plurality of the trigeminal support arm structures 2 can be connected with each other and placed in a pipeline through the matching of the trigeminal support arm structures 2 and the matching connecting shaft structure 40, the infrasonic wave sensor 10 inside each trigeminal support arm structure 2 can detect the current area, the storage shells 6 inside the trigeminal support arm structures 2 work simultaneously and are converted from a single area into a detection circuit, so that the detection area is further prolonged, the extension range can be changed according to the number of the trigeminal support arm structures 2, if gas leaks, the accurate position of the leakage can be accurately detected, the internal segmental detection function of the device is realized, and the trigeminal support arm structures 2 are matched with the roller structures 8 to ensure that the trigeminal support arm structures 2 are installed, the three-fork supporting arm structure 2 after being installed can be pushed into the pipeline shell 1 in sequence and is supported stably.
Further, the roller structure 8 comprises a bottom attaching outer ring 21, an elastic telescopic shaft 24 and a telescopic shaft 29, the bottom attaching outer ring 21 is installed on one side connected with the driving frame 39, the elastic telescopic shaft 24 is installed on the inner wall of the bottom attaching outer ring 21, and the inner supporting shaft 25 is installed at the lower end connected with the driving frame 39.
When the device is detected, the combined three-fork support arm structure 2 needs to be placed in a pipeline, the roller structure 8 can provide a support effect for the three-fork support arm structure 2, and the inner wall of some special pipelines is of a corrugated structure, so that the roller structure 8 has great difficulty in supporting or advancing, through the matching of the bottom-attached outer ring 21 and the extension end 22, when the device is used, the elastic telescopic shaft 24 provides a support effect for the bottom-attached outer ring 21, when the roller structure 8 is attached and rolled on the inner wall of the corrugated pipeline, the outer surface of the bottom-attached outer ring 21 can be contacted with the inner wall of the corrugated pipeline and forms a support effect, the bottom-attached outer ring 21 is stressed and contracts inwards, when the roller structure 8 contracts, one end of the driving frame 39 extends outwards, and one end of the driving frame 39 extends into a pit of the inner wall of the corrugated pipeline to form a support effect, and meanwhile, the friction force between the roller structure 8 and the inner wall of the pipeline is increased, the roller structure 8 of being convenient for drives the holistic removal of trident support arm structure 2 to make the device possess the removal when being located corrugated pipe inner wall and support anti-skidding effect, and increased substantially the percent of pass when roller structure 8 removes, and adapt to the environment of multiple pipeline inner wall.
Further, referring to fig. 1-7, one end of the telescopic shaft 29 is provided with an extension end 22, and the top end of the extension end 22 is provided with an engaging piece 23.
The inner wall of the corrugated pipe is usually provided with a thread groove structure, when the roller structure 8 moves, one end of the connecting driving frame 39 is clamped into the thread groove structure, but the connecting driving frame 39 and the inner wall of the thread groove lack a fixed structure, so that the connecting driving frame 39 can transversely slide in the thread vertical groove, the attaching sheets 23 are symmetrically arranged at the top end of the extension end 22, when in use, when the outer surface of the bottom attaching outer ring 21 contacts with the inner wall of the pipeline, the connecting driving frame 39 can extend outwards, the thread groove of the inner wall of the pipeline is firstly contacted with the attaching sheets 23, through the structure of the attaching sheets 23 and the rubber material thereof, when one end of the extension end 22 extends into the thread vertical groove of the inner wall of the corrugated pipe, the outer side of the attaching sheets 23 can attach to the bottom surface of the inner wall of the thread vertical groove, the contact area between the attaching sheets 23 and the inner wall of the vertical groove is increased, and the connecting driving frame 39 can transversely slide in the thread groove is avoided, thereby the device has the transverse limiting effect of the roller structure 8.
Furthermore, a negative pressure suction cup 27 is installed on the outer side of the bottom-attached outer ring 21, and pressing convex surfaces 26 are arranged at two ends of the bottom-attached outer ring 21.
When the roller structure 8 moves on the inner wall of the special pipeline, the inner wall of some special pipelines is smooth, so that the friction force of the roller structure 8 is small when moving, and the roller structure is difficult to form a friction state with the inner wall of the pipeline, when the outer surface of the bottom-attached outer ring 21 is contacted with the inner wall of the pipeline, the extension end 22 is pressed downwards towards the outer surface of the bottom-attached outer ring 21, so that the extension end 22 is symmetrically opened towards two sides, and the lower surface of the extension end 22 acts on the upper surface of the pressing convex surface 26, so as to increase the contact area, when the roller is rolled to the outer surface of the bottom outer ring 21, the inner wall of the pipeline is contacted with the negative pressure suction cup 27, by the characteristics and the structure of the rubber material of the negative pressure suction cup 27, the outer surface of the negative pressure suction cup 27 is completely attached to the inner wall of the pipeline to form a negative pressure state, and the inner wall of the pipeline is adsorbed, so that the contact friction force between the bottom-attached outer ring 21 and the inner wall of the pipeline is increased, and the adaptation effect of the roller structure 8 and the smooth surface is greatly improved.
Furthermore, an elastic support shaft 41 is installed at the upper end of the extension arm 7, limiting vertical grooves 20 are arranged on two sides of the extension arm 7, a rotary movable sleeve 9 is installed at the upper end of the first support arm 3, and a limiting spring 19 is installed on the outer side of the elastic support shaft 41.
Diameter of trident support arm structure 2 can not be adjusted, and the inside diameter of pipeline differs, be difficult to adapt to the pipeline internal diameter of various diameters, and the inner wall of rotatory movable sleeve 9 passes through threaded engagement with the surface of extension arm 7 and is connected, when rotating rotatory movable sleeve 9, it goes up and down to drive extension arm 7, thereby increase trident support arm structure 2's whole diameter, and extension arm 7's length can be adjusted along with the diameter of pipeline, thereby make the device possess the regulation effect of multiple diameter, effect through spacing spring 19, can provide outside elasticity effect to elastic support shaft 41, make gyro wheel structure 8 when contacting with the pipeline inner wall, possess the elasticity home range, provide outside extension's elastic support power for gyro wheel structure 8 all the time, make gyro wheel structure 8 laminate with the pipeline inner wall and be connected.
Further, referring to fig. 1-7, the outer side of the bottom-attached outer ring 21 is provided with the push rod 28, the inner wall of the bottom-attached outer ring 21 is symmetrically provided with the negative pressure cavity 37, the inside of the negative pressure cavity 37 is provided with the sealing piston 38, and the negative pressure suction cup 27 is arranged on the upper surface of the negative pressure cavity 37.
When the outer surface of the bottom-attached outer ring 21 contacts with the inner wall of the pipeline, the bottom-attached outer ring 21 is of an arc structure, the negative pressure suckers 27 are symmetrically arranged on two sides of the bottom-attached outer ring 21, when the bottom-attached outer ring 21 rolls to the outer surface, the negative pressure suckers 27 on one side are firstly attached to the outer surface, the ejector rod 28 is attached to the inner wall of the pipeline by continuous rolling of the roller structure 8, the ejector rod 28 is pressed downwards and drives the connecting driving frame 39 to press downwards, the connecting driving frame 39 drives the sealing piston 38 to move downwards, a negative pressure state is formed inside the sealing piston 38 on one side, the adsorption strength between the negative pressure suckers 27 and the inner wall of the pipeline is increased, the negative pressure suckers 27 are in a symmetrical state, the roller structure 8 can improve the friction effect with the inner wall of the pipeline when moving forwards or backwards, the device can also have an efficient friction effect when being attached to the inner wall of the pipeline with a mirror surface, and the friction function of the device is greatly increased, the slipping condition caused when the bottom-attached outer ring 21 is contacted with the inner wall of the pipeline is avoided, and the stability of the device is indirectly improved.
Further, referring to fig. 1 to 7, an expansion shaft 29 is disposed at one end of the first connecting shaft 13, one end of the second connecting shaft 14 is connected to the first connecting shaft 13 through the expansion shaft 29, supporting shaft pins 31 are disposed at two ends of the expansion shaft 29, and the expansion shaft 29 is connected to the first connecting shaft 13 and the second connecting shaft 14 through the supporting shaft pins 31.
Trident support arm structure 2 and the installation of cooperation connecting axle structure 40 back, need to place in pipeline casing 1 step by step in the inside, and when pipeline casing 1 exists crooked or irregular state, make trident support arm structure 2 when putting into pipeline casing 1 inside, it is comparatively troublesome, cause the jamming situation easily, flexible and supporting shaft pin 31's activity effect through four telescopic shafts 29, make and form the activity between first connecting axle 13 and the second connecting axle 14, make and form the multi-angle sliding between two trident support arm structure 2, and direction regulatory function, make trident support arm structure 2 can travel inside the pipeline by oneself.
Further, a support spring 30 is mounted on an outer side of the telescopic shaft 29, and the support spring 30 is used to provide an elastic effect to the telescopic shaft 29.
When cooperation connecting axle structure 40 is connecting two trident support arm structure 2, and back in the pipeline of buckling, can remain throughout under the state of buckling between two trident support arm structure 2, the reset function of buckling lacks, and install supporting spring 30 back additional in the outside of telescopic shaft 29, supporting spring 30 can provide the power that expandes to telescopic shaft 29 throughout, realize elastic force simultaneously through four telescopic shaft 29, form the opposition state, and drag each other, make between second connecting axle 14 and the first connecting axle 13, remain throughout under the straight line state, two trident support arm structure 2 have realized the angle reset function.
Further, one end of the first connecting shaft 13 is provided with a first extending shaft 32, one end of the second connecting shaft 14 is provided with a second extending shaft 33, one end of the second extending shaft 33 is provided with a spherical outer sleeve 34, one end of the first extending shaft 32 is provided with an arc-shaped top shaft 35, and the spherical outer sleeve 34 is used for being sleeved on the outer side of the arc-shaped top shaft 35.
Rely on telescopic shaft 29 to connect first connecting axle 13 and second connecting axle 14 alone, the holding power is relatively weak, it is difficult to realize multiple steering effect, cooperation through arc apical axis 35 and spherical overcoat 34, the surface of arc apical axis 35 all is the arc state with the inner wall of spherical overcoat 34, connect through both, can realize the nimble connection state between first connecting axle 13 and the second connecting axle 14, and increase the joint strength between second connecting axle 14 and the first connecting axle 13, also can not influence the flexibility of being connected between first connecting axle 13 and the second connecting axle 14 simultaneously.
Further, a rolling ball 36 is installed on the outer side of the arc-shaped top shaft 35, and the rolling ball 36 is used for increasing the flexibility of the connection between the arc-shaped top shaft 35 and the spherical outer sleeve 34.
When the outer surface of the arc-shaped top shaft 35 is attached to the inner wall of the spherical outer sleeve 34, the contact area is increased, the friction area is greatly increased, the friction force between the arc-shaped top shaft and the spherical outer sleeve is reduced under the action of the rolling ball 36, and the friction condition of the device can be greatly reduced through the rolling type connection mode of the arc-shaped top shaft 35, so that the friction condition between the spherical outer sleeve 34 and the spherical outer sleeve 34 is weakened.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (8)

1. Infrasonic wave pipeline leakage monitoring and quick positioner, its characterized in that: including pipeline casing (1), its characterized in that: the pipeline casing is characterized in that a three-fork support arm structure (2) is mounted inside the pipeline casing (1), the three-fork support arm structure (2) comprises a first support arm (3), a second support arm (4) and a third support arm (5), the second support arm (4) is mounted on one side of the first support arm (3), the third support arm (5) is mounted on the other side of the first support arm (3), a storage casing (6) is arranged at one end of the first support arm (3), the second support arm (4) and the third support arm (5) are connected through the storage casing (6), an extension arm (7) is mounted at one end of the first support arm (3), and a roller structure (8) is symmetrically mounted at the top end of the extension arm (7);
an extension pin (11) is arranged at one end of the storage shell (6), a clamping pin end (12) is arranged at one end of the extension pin (11), an infrasonic wave sensor (10) is installed inside the storage shell (6), a supporting inner frame (16) is arranged inside the storage shell (6), and the infrasonic wave sensor (10) is installed in the supporting inner frame (16);
a matching connecting shaft structure (40) is further mounted on one side of the storage shell (6), the matching connecting shaft structure (40) comprises a first connecting shaft (13), a second connecting shaft (14) and a dust cover (15), outer notches (18) are formed in the outer sides of the first connecting shaft (13) and the second connecting shaft (14), and conical surfaces (17) are formed in one ends of the first connecting shaft (13) and the second connecting shaft (14);
roller structure (8) are including pasting end outer lane (21), elastic expansion shaft (24) and telescopic shaft (29), outer lane (21) are installed at the end of pasting to one side of connecting drive rack (39), elastic expansion shaft (24) are installed to the inner wall of outer lane (21) at the end of pasting, the lower extreme of connecting drive rack (39) is installed and is supported interior axle (25), the one end of telescopic shaft (29) is equipped with extension end (22), the top of extension end (22) is equipped with laminating piece (23).
2. The infrasonic pipeline leak detection and quick positioner of claim 1, characterized in that: and a negative pressure sucking disc (27) is arranged on the outer side of the bottom attaching outer ring (21), and pressing convex surfaces (26) are arranged at two ends of the bottom attaching outer ring (21).
3. The infrasonic pipe leakage monitoring and rapid locating device of claim 1 or 2, wherein: the utility model discloses a portable electronic device, including extension arm (7), the upper end of extension arm (7) is installed flexible back shaft (41), the both sides of extension arm (7) are equipped with spacing perpendicular groove (20), rotatory movable sleeve (9) are installed to the upper end of first back shaft (3), spacing spring (19) are installed in the outside of elastic back shaft (41).
4. The infrasonic pipe leak monitoring and rapid locating device of any of claims 1-3, wherein: post rod (28) are installed in the outside of pasting end outer lane (21), negative pressure chamber (37) are installed to the inner wall symmetry of pasting end outer lane (21), the internally mounted of negative pressure chamber (37) has sealing piston (38), negative pressure suction cup (27) set up in the upper surface in negative pressure chamber (37).
5. The infrasonic pipe leak monitoring and rapid locating device of any of claims 1-4, wherein: the one end of first connecting axle (13) is equipped with telescopic shaft (29), be connected through telescopic shaft (29) between the one end of second connecting axle (14) and first connecting axle (13), supporting axle pin (31) are all installed at the both ends of telescopic shaft (29), be connected through supporting axle pin (31) between telescopic shaft (29) and first connecting axle (13) and second connecting axle (14).
6. The infrasonic pipe leak monitoring and quick locating device of claim 1, wherein: and a supporting spring (30) is installed on the outer side of the telescopic shaft (29), and the supporting spring (30) is used for providing an elastic effect for the telescopic shaft (29).
7. The infrasonic pipe leak monitoring and quick locating device of claim 6, wherein: the one end of first connecting axle (13) is equipped with first extension axle (32), the one end of second connecting axle (14) is equipped with the second and extends axle (33), the one end that the second extended axle (33) is equipped with spherical overcoat (34), the one end of first extension axle (32) is equipped with arc apical axis (35), spherical overcoat (34) are used for the cover to establish in the arc apical axis (35) outside.
8. The infrasonic pipe leak monitoring and quick locating device of claim 1, wherein: rolling balls (36) are installed on the outer side of the arc-shaped top shaft (35), and the rolling balls (36) are used for increasing the connection flexibility between the arc-shaped top shaft (35) and the spherical outer sleeve (34).
CN202210405414.7A 2022-04-18 2022-04-18 Infrasonic wave pipeline leakage monitoring and quick positioning device Active CN114646023B (en)

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CN103321859A (en) * 2013-06-06 2013-09-25 山东科技大学 Lifting force and resistance combined vertical axis wind turbine
CN209944014U (en) * 2019-04-26 2020-01-14 苏州专创光电科技有限公司 Optical equipment for observing eccentric well pipeline
CN111998233A (en) * 2020-09-01 2020-11-27 杭州偶耀智能科技有限公司 Water pipe crack detection and repair device suitable for different pipeline diameters
CN112178360A (en) * 2020-06-30 2021-01-05 中海福建天然气有限责任公司 System and method for rapidly positioning infrasonic pipeline robot
CN212840761U (en) * 2020-07-21 2021-03-30 开封新奥燃气有限公司 Gas pipeline sound wave positioner
CN114087452A (en) * 2021-12-15 2022-02-25 上海誉帆环境建设有限公司 Reinforced hose bending device for trenchless pipeline repair and repair method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103321859A (en) * 2013-06-06 2013-09-25 山东科技大学 Lifting force and resistance combined vertical axis wind turbine
CN209944014U (en) * 2019-04-26 2020-01-14 苏州专创光电科技有限公司 Optical equipment for observing eccentric well pipeline
CN112178360A (en) * 2020-06-30 2021-01-05 中海福建天然气有限责任公司 System and method for rapidly positioning infrasonic pipeline robot
CN212840761U (en) * 2020-07-21 2021-03-30 开封新奥燃气有限公司 Gas pipeline sound wave positioner
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CN114087452A (en) * 2021-12-15 2022-02-25 上海誉帆环境建设有限公司 Reinforced hose bending device for trenchless pipeline repair and repair method

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