CN114646023B - 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
CN114646023B
CN114646023B CN202210405414.7A CN202210405414A CN114646023B CN 114646023 B CN114646023 B CN 114646023B CN 202210405414 A CN202210405414 A CN 202210405414A CN 114646023 B CN114646023 B CN 114646023B
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China
Prior art keywords
support arm
shaft
connecting shaft
pipeline
infrasonic wave
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CN202210405414.7A
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CN114646023A (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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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

Abstract

The invention relates to the technical field of pipeline detection, and discloses a infrasonic wave pipeline leakage monitoring and quick 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 roller structures are symmetrically arranged at the top ends of the extension arms. The invention can provide an 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 an outward expanded elastic support force is provided 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 supporting frame, and whether the pipeline leaks or not is detected by utilizing infrasonic wave signals.

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 wave pipeline leakage monitoring and quick positioning device.
Background
The pipeline leakage monitoring system is characterized in that liquid, crude oil or other liquid and gas are monitored in a second mode throughout the day, once a pipeline is in perforation leakage, the monitoring system can give an alarm in time through the information management system and conduct engineering monitoring system management in a fixed-point positioning mode, the core component of the pipeline leakage monitoring system is a pipeline leakage monitor, the main function of the pipeline leakage monitor is that sound wave signals in the pipeline are continuously received and monitored for twenty-four hours in real time and are converted into communication signals, the sound wave signals are transmitted to a data acquisition and transmission terminal RTU in real time through a communication cable, capturing, amplifying and noise suppression of weak signals are key of the sound wave pipeline leakage monitor, and when the pipeline leakage monitor in the prior art is used under the condition of small leakage aperture, weak infrasonic wave signals generated by leakage are further attenuated through long-distance transmission, so that signal capturing becomes more difficult.
However, conventional pipeline detection is usually carried out by adopting a detection structure to be independently placed at a designated position for fixed installation, but in the installation mode, the operation is difficult during installation and detection, the detection operation of multiple sections inside the device is difficult, the environment in the pipeline is limited, the connection difficulty degree of the device is greatly increased if the corrugated structure exists on the inner wall of the pipeline, and the existing infrasonic wave pipeline leakage monitoring and quick positioning device is adopted.
Disclosure of Invention
The invention provides a 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 in the background technology is usually carried out by adopting a detection structure to be singly placed at a designated position for fixed installation, but the installation mode is difficult to operate during installation and detection, the detection operation of multiple sections in the device is difficult, the environment in the pipeline is limited, and the connection difficulty of the device is greatly increased if the corrugated structure exists on the inner wall of the pipeline.
The invention provides the following technical scheme: the infrasonic wave pipeline leakage monitoring and quick positioning device 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, extension arms are arranged at one end of the first support arm, and roller structures are symmetrically arranged at the top ends of the extension arms;
an extension pin is arranged at one end of the storage shell, a bayonet lock end is arranged at one end of the extension pin, an infrasonic wave sensor is arranged in the storage shell, a supporting inner frame is arranged in the storage shell, and the infrasonic wave sensor is arranged in the supporting inner frame;
the utility model discloses a dustproof device for a bicycle, including a storage shell, a first connecting shaft, a second connecting shaft, a dust cover, a first notch, a second notch, a conical surface, a first connecting shaft and a second connecting shaft, wherein the first connecting shaft is connected with the dust cover through the first connecting shaft, the second connecting shaft is connected with the dust cover through the first connecting shaft, the first notch is connected with the second connecting shaft through the first connecting shaft, and the second notch is connected with the first connecting shaft through the second connecting shaft.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the roller structure comprises a bottom outer ring, an elastic telescopic shaft and a telescopic shaft, wherein the bottom 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 outer ring, and the supporting inner shaft is installed at the lower end of the connecting driving frame.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid 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 piece.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the negative pressure sucking disc is installed in the outside of pasting the end outer lane, paste end outer lane both ends and be equipped with the pressfitting convex surface.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the upper end of the extension arm is provided with an elastic support shaft, two sides of the extension arm are provided with limiting vertical grooves, the upper end of the first support arm is provided with a rotary movable sleeve, and the outer side of the elastic support shaft is provided with a limiting spring.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the ejector rod is arranged on the outer side of the bottom-attached outer ring, the negative pressure cavity is symmetrically arranged on the inner wall of the bottom-attached outer ring, the sealing piston is arranged in the negative pressure cavity, and the negative pressure sucker is arranged on the upper surface of the negative pressure cavity.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the telescopic shaft is arranged at one end of the first connecting shaft, one end of the second connecting shaft is connected with the first connecting shaft through the telescopic shaft, supporting shaft pins are arranged at two ends of the telescopic shaft, and the telescopic shaft is connected with the first connecting shaft and the second connecting shaft through the supporting shaft pins.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the outside of telescopic shaft installs supporting spring, supporting spring is used for providing elasticity effect for the telescopic shaft.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: one end of the first connecting shaft is provided with a first extending shaft, one end of the second connecting shaft is provided with a second extending shaft, one end of the second extending shaft is provided with a spherical jacket, one end of the first extending shaft is provided with an arc-shaped top shaft, and the spherical jacket is used for being sleeved outside the arc-shaped top shaft.
As an alternative to the infrasonic wave pipeline leakage monitoring and rapid positioning device of the invention, the infrasonic wave pipeline leakage monitoring and rapid positioning device comprises: the outside of arc top axle is installed the spin, the spin is used for increasing the flexible degree of being connected between arc top axle and the spherical overcoat.
As an alternative scheme of the infrasonic wave pipeline leakage monitoring and quick positioning device, an infrasonic wave sensor is arranged on a supporting frame. In the running process of the device, the infrasonic wave signals in the pipeline are continuously received, and whether the pipeline is leaked or not is judged by analyzing the infrasonic wave signals. By recording the operating mileage and time, the location of the leak is determined.
The invention has the following beneficial effects:
1. this infrasonic wave pipeline leakage monitoring and quick positioner through the cooperation of three fork support arm structures and cooperation connecting axle structure, can be with interconnect between a plurality of three fork support arm structures, and place in the pipeline, and the inside infrasonic wave sensor of every three fork support arm structure can detect current region, work simultaneously through the inside case that deposits of a plurality of three fork support arm structures, by single regional conversion detection circuitry, make detection area further lengthen, and the extension scope can be according to three fork support arm structure's quantity change, if gas leakage, can accurately measure the accurate position of revealing, thereby make the device realize inside sectional type detect function, and through three fork support arm structure three fork structure and roller structure's cooperation, make three fork support arm structure when the installation, can push the inside of pipeline casing with three fork support arm structure after the installation in proper order, and the support is stable.
2. This infrasonic wave pipeline leakage monitoring and quick positioner, through pasting the cooperation of end outer lane and extension end, during the use, the elastic telescopic shaft provides the supporting role for pasting end outer lane, when the gyro wheel structure rolls at corrugated pipe inner wall in the laminating, paste the surface of end outer lane can be with corrugated pipe inner wall contact, and form the supporting role, paste end outer lane atress this moment, and inwards shrink, when contracting, the one end of connection drive frame can outwards stretch out, the one end of connection drive frame can stretch into in the corrugated pipe inner wall pit this moment, and form the supporting effect, increase the friction dynamics of gyro wheel structure and pipeline inner wall simultaneously, be convenient for gyro wheel structure drive the holistic removal of trident support arm structure, thereby the device has been provided with the removal when being located corrugated pipe inner wall and has been supported the antiskid effect, and the passing rate when having improved the gyro wheel structure removal by a wide margin, and the environment of multiple pipeline inner wall of adaptation.
3. This infrasonic wave pipeline leakage monitoring and quick positioner forms threaded connection state through rotating rotatory movable sleeve with the extension arm to drive the extension arm and rise, and drive roller structure and rise, thereby increase the overall diameter of three fork support arm structure, 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, through limit spring's effect, can provide outside elasticity effect to the elastic support axle, make roller structure when contacting with the pipeline inner wall, possess elastic activity scope, provide outside expanded elastic support power for roller structure, make roller structure carry out laminating connection all the time with the pipeline inner wall.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a three-fork support arm according to the present invention.
Fig. 3 is a schematic structural diagram of a roller structure according to the present invention.
Fig. 4 is a schematic view of the structure of the bottom-attached outer ring of the present invention.
Fig. 5 is a schematic diagram of the structure of fig. 4 at a.
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 diagram of a connection structure of a first connection shaft and a second connection shaft according to the present invention.
In the figure: 1. a conduit housing; 2. a three-fork support arm structure; 3. a first support arm; 4. a second support arm; 5. a third support arm; 6. a storage case; 7. an extension arm; 8. a roller structure; 9. rotating the movable sleeve; 10. an infrasonic wave sensor; 11. an extension pin; 12. a bayonet lock 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 slot; 19. a limit spring; 20. limiting vertical grooves; 21. pasting 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 suction cup; 28. a push rod; 29. a telescopic shaft; 30. a support spring; 31. a support shaft pin; 32. a first extension shaft; 33. a second extension shaft; 34. a spherical outer sleeve; 35. an arc-shaped top shaft; 36. a rolling ball; 37. a negative pressure chamber; 38. a sealing piston; 39. connecting with a driving frame; 40. a mating connecting shaft structure; 41. and an elastic support shaft.
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.
Referring to fig. 1-7, the present embodiment discloses a infrasonic wave pipeline leakage monitoring and quick positioning device, which comprises a pipeline housing 1, wherein a three-fork support arm structure 2 is installed in the pipeline housing 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 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 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 housing 6, an extension arm 7 is installed at one end of the first support arm 3, and roller structures 8 are symmetrically installed at the top ends of the extension arms 7;
an extension pin 11 is arranged at one end of the storage shell 6, a bayonet lock end 12 is arranged at one end of the extension pin 11, an infrasonic wave sensor 10 is arranged in the storage shell 6, a supporting inner frame 16 is arranged in the storage shell 6, and the infrasonic wave sensor 10 is arranged in the supporting inner frame 16;
one side of the storage shell 6 is also provided with a matched connecting shaft structure 40, the matched 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.
When in use, firstly, the infrasonic wave sensor 10 is placed in the storage shell 6 and fixedly installed through the support inner frame 16, and the two three-fork support arm structures 2 are connected and installed through the matched connecting shaft structure 40, when in installation, firstly, one end of the first connecting shaft 13 corresponds to the middle positions of the four extending pins 11, one end of the first connecting shaft 13 is inserted into the four extending pins 11, meanwhile, the clamping pin end 12 at one end of the extending pin 11 is clamped into the outer notch 18, and under the action of the conical surface 17, the guiding function of one end of the first connecting shaft 13 to the middle position of the extending pin 11 can be realized when the first connecting shaft 13 is inserted, the disorder of one end direction of the first connecting shaft 13 when in insertion is avoided, and in the same way, one end of the second connecting shaft 14 is connected with the other three-fork support arm structure 2, so that the two three-fork support arm structures 2 are mutually connected, and can connect a plurality of three-fork support arm structures 2 according to the using length of the pipeline, and lengthen the detection area inside the pipeline, and the model of the infrasonic wave sensor 10 is CC-1T, and this sensor is through converting the measured infrasonic frequency fluctuation in the air into electric capacity, and then realize the conversion of non-electric quantity to electric quantity, on the basis, utilize the detection circuit to convert the electric capacity variable quantity into voltage signal, in transmitting the electric signal to the appointed device, thus judge the current detection area, when the pipeline is filled with gas, when its internal pressure is greater than the external pressure, because the internal and external pressure difference is great, once the container has the leak hole, the gas will be punched out from the leak hole, when the leak hole size is smaller and the Reynolds number is higher, the gas will form the turbulent flow, the turbulent flow will produce the sound wave of certain frequency near the leak hole, the sound wave position is detected through the infrasonic wave sensor 10, the detection function is realized, the infrasonic wave sensor 10 is placed in the storage shell 6, the plurality of the three-fork support arm structures 2 can be connected with each other through the matching of the three-fork support arm structures 2 and the matching connecting shaft structure 40 and placed in a pipeline, the infrasonic wave sensor 10 in each three-fork support arm structure 2 can detect the current area, the storage shell 6 in the three-fork support arm structures 2 works simultaneously, the single area is converted into a detection circuit, the detection area is further prolonged, the extension range can be changed according to the number of the three-fork support arm structures 2, if gas leaks, the leaking accurate position can be accurately measured, the internal sectional detection function is realized, and the three-fork support arm structures 2 can be pushed into the pipeline shell 1 in sequence through the matching of the three-fork support arm structures 2 and the roller structures 8 during installation, and the support is stable.
Further, the roller structure 8 comprises a bottom outer ring 21, an elastic telescopic shaft 24 and a telescopic shaft 29, the bottom outer ring 21 is installed on one side of the connecting driving frame 39, the elastic telescopic shaft 24 is installed on the inner wall of the bottom outer ring 21, and the supporting inner shaft 25 is installed at the lower end of the connecting driving frame 39.
When the device detects, the combined three-fork supporting arm structure 2 is required to be placed inside a pipeline, the roller structure 8 can provide a supporting effect for the three-fork supporting arm structure 2, some special pipeline inner walls are of corrugated structures, so that great difficulty exists in supporting or advancing the roller structure 8, the roller structure 8 is convenient to drive the whole movement of the three-fork supporting arm structure 2 through the matching of the bottom outer ring 21 and the extension end 22, during use, the elastic telescopic shaft 24 provides a supporting effect for the bottom outer ring 21, when the roller structure 8 is in contact with the corrugated pipeline inner walls in a rolling manner, the outer surface of the bottom outer ring 21 is contacted with the corrugated pipeline inner walls, and forms a supporting effect, the bottom outer ring 21 is stressed and contracts inwards, one end of the connecting driving frame 39 stretches outwards while contracting, the one end of the connecting driving frame 39 stretches into the corrugated pipeline inner wall pits, and forms a supporting effect, meanwhile, the friction force between the roller structure 8 and the pipeline inner walls is increased, the roller structure 8 is convenient to drive the whole movement of the three-fork supporting arm structure 2, and the device has a moving supporting and anti-skid effect when the device is located on the corrugated pipeline inner walls, and the passing rate of the roller structure 8 is greatly improved, and the environment of various pipeline inner walls is suitable for the pipeline inner walls.
Further, referring to fig. 1-7, an extension end 22 is provided at one end of the telescopic shaft 29, and an attaching plate 23 is provided at the top end of the extension end 22.
The bellows inner wall is equipped with the screw thread groove structure generally, when roller structure 8 is moving, the one end of connection drive frame 39 can block wherein, but connection drive frame 39 lacks fixed knot with the screw thread groove inner wall, lead to connection drive frame 39 can transversely slide at screw thread perpendicular inslot portion, and laminating piece 23 is symmetrical state and set up in the top of extension end 22, during the use, when the surface of pasting end outer lane 21 and pipeline inner wall contact, can make connection drive frame 39 stretch out to the outside, make the screw thread groove of pipeline inner wall at first contact with laminating piece 23, through the structure of laminating piece 23 and rubber material thereof, when the one end of extension end 22 extends to the screw thread perpendicular inslot of bellows inner wall, the outside of laminating piece 23 can laminate at the inner wall bottom surface of screw thread perpendicular inslot, and increase the area of contact of laminating piece 23 and perpendicular inslot wall, avoid connection drive frame 39 can transversely slide at the screw thread inslot portion, thereby make the device possess the horizontal spacing effect of roller structure 8.
Further, a negative pressure suction cup 27 is arranged 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 a special pipeline, the inner wall of some special pipelines is smoother, so that the friction force is smaller when the roller structure 8 moves, a friction state is difficult to form with the inner wall of the pipeline, when the outer surface of the bottom-attached outer ring 21 contacts 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, the extension end 22 is symmetrically opened towards two sides, the lower surface of the extension end 22 acts on the upper surface of the pressing convex surface 26, the contact area is increased, when the roller structure rolls to the outer surface of the bottom-attached outer ring 21, the inner wall of the pipeline contacts with the negative pressure sucking disc 27, the outer surface of the negative pressure sucking disc 27 is completely attached to the inner wall of the pipeline through the characteristics and the structure of rubber materials of the negative pressure sucking disc 27, an adsorption state is formed on the inner wall of the pipeline, 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 increased.
Further, an elastic support shaft 41 is installed at the upper end of the extension arm 7, limiting vertical grooves 20 are formed in 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.
The diameter of three fork support arm structure 2 can not be adjusted, and the inside diameter of pipeline is different, 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, drive extension arm 7 and go up and down, thereby increase the overall diameter of three fork support arm structure 2, and the length of extension arm 7 can be adjusted along with the diameter of pipeline, thereby the device has possessed the regulation effect of multiple diameter, through the effect of spacing spring 19, can provide outside elasticity effect to elastic support shaft 41, make gyro wheel structure 8 possess elastic activity scope when contacting with the pipeline inner wall, provide outside expanded elastic support force for gyro wheel structure 8, make gyro wheel structure 8 carry out laminating connection with the pipeline inner wall all the time.
Further, referring to fig. 1-7, the outer side of the bottom outer ring 21 is provided with a push rod 28, the inner wall of the bottom outer ring 21 is symmetrically provided with a negative pressure cavity 37, a sealing piston 38 is arranged in the negative pressure cavity 37, and a 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 a pipeline, the bottom-attached outer ring 21 is of an arc structure, the negative pressure suction cups 27 are symmetrically arranged on the two sides of the bottom-attached outer ring 21, when the device rolls to the outer surface of the bottom-attached outer ring 21, the device can be attached to the negative pressure suction cups 27 on one side first, the continuous rolling of the roller structure 8 enables the ejector rod 28 to be attached to the inner wall of the pipeline, the static ejector rod 28 to be pressed down and the connecting driving frame 39 to be driven to be pressed down, the connecting driving frame 39 drives the sealing piston 38 to move down, the negative pressure state is formed inside the sealing piston 38 on one side, the adsorption strength of the negative pressure suction cups 27 and the inner wall of the pipeline is increased, and the negative pressure suction cups 27 are of symmetrical state, so that the roller structure 8 can advance or retreat to improve the friction effect with the inner wall of the pipeline, the device can also have efficient friction effect when attached to the inner wall of the pipeline with a mirror surface, the friction function of the device is greatly increased, the situation caused when the bottom-attached outer ring 21 contacts with the inner wall of the pipeline is prevented, and the stability of the device is indirectly improved.
Further, referring to fig. 1-7, a telescopic shaft 29 is disposed at one end of the first connecting shaft 13, one end of the second connecting shaft 14 is connected with the first connecting shaft 13 through the telescopic shaft 29, supporting shaft pins 31 are mounted at two ends of the telescopic shaft 29, and the telescopic shaft 29 is connected with the first connecting shaft 13 and the second connecting shaft 14 through the supporting shaft pins 31.
After the three-fork support arm structure 2 and the matched connecting shaft structure 40 are installed, the three-fork support arm structure 2 needs to be placed inside the pipeline shell 1 step by step, when the pipeline shell 1 is in a bending or irregular state, the three-fork support arm structure 2 is troublesome when being placed inside the pipeline shell 1, clamping stagnation is easy to cause, the first connecting shaft 13 and the second connecting shaft 14 form movement through the telescopic effect of the four telescopic shafts 29 and the movable effect of the supporting shaft pins 31, the two three-fork support arm structures 2 form multi-angle sliding, and the direction adjusting function is realized, so that the three-fork support arm structure 2 can automatically run inside a pipeline.
Further, a supporting spring 30 is installed at 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.
When the cooperation connecting axle structure 40 is connecting two three fork support arm structures 2 to after the pipeline is buckled, can remain under the state of buckling all the time between two three fork support arm structures 2, lack the reset function of buckling, and install supporting spring 30 additional in the outside of telescopic shaft 29 after, supporting spring 30 can provide the power of expansion to telescopic shaft 29 all the time, realize elastic acting force simultaneously through four telescopic shafts 29, form the state of facing each other, and pull each other, make between second connecting axle 14 and the first connecting axle 13, remain under the rectilinear condition all the time, two three fork support arm structures 2 have realized the angle reset function.
Further, a first extension shaft 32 is disposed at one end of the first connection shaft 13, a second extension shaft 33 is disposed at one end of the second connection shaft 14, a spherical jacket 34 is disposed at one end of the second extension shaft 33, an arc-shaped top shaft 35 is disposed at one end of the first extension shaft 32, and the spherical jacket 34 is arranged outside the arc-shaped top shaft 35 in a sleeved mode.
The first connecting shaft 13 and the second connecting shaft 14 are connected by the telescopic shaft 29 alone, the supporting force is weaker, multiple steering effects are difficult to achieve, the outer surface of the arc-shaped top shaft 35 and the inner wall of the spherical outer sleeve 34 are in arc-shaped states through the cooperation of the arc-shaped top shaft 35 and the spherical outer sleeve 34, the flexible connection state between the first connecting shaft 13 and the second connecting shaft 14 can be achieved through the connection of the arc-shaped top shaft 35 and the spherical outer sleeve 34, the connection strength between the second connecting shaft 14 and the first connecting shaft 13 is increased, and meanwhile the connection flexibility between the first connecting shaft 13 and the second connecting shaft 14 cannot be affected.
Further, a ball 36 is mounted on the outer side of the arc-shaped top shaft 35, and the ball 36 is used to increase the flexibility of 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, so that the friction area is greatly increased, the friction force between the arc-shaped top shaft 35 and the spherical outer sleeve is reduced through the action of the rolling ball 36, and the friction condition of the device can be greatly reduced through the rolling 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 relational terms such as first and second, and the like are 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. Moreover, 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 foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (8)

1. Infrasonic wave pipeline leakage monitoring and quick positioner, its characterized in that: including pipeline casing (1), internally mounted of pipeline casing (1) has three fork support arm structures (2), three fork support arm structures (2) include first support arm (3), second support arm (4) and third support arm (5), second support arm (4) are installed to one side of first support arm (3), third support arm (5) are installed to the opposite side of first support arm (3), one end of first support arm (3) is equipped with deposits casing (6), be connected through depositing casing (6) between first support arm (3), second support arm (4) and third support arm (5), extension arm (7) are installed to one end of first support arm (3), gyro wheel structure (8) are installed to the top symmetry of extension arm (7);
an extension pin (11) is arranged at one end of the storage shell (6), a bayonet lock end (12) is arranged at one end of the extension pin (11), an infrasound sensor (10) is arranged in the storage shell (6), a supporting inner frame (16) is arranged in the storage shell (6), and the infrasound sensor (10) is arranged in the supporting inner frame (16);
one side of the storage shell (6) is also provided with a matched connecting shaft structure (40), the matched connecting shaft structure (40) comprises a first connecting shaft (13), a second connecting shaft (14) and a dust cover (15), the outer sides of the first connecting shaft (13) and the second connecting shaft (14) are respectively provided with an outer notch (18), and one ends of the first connecting shaft (13) and the second connecting shaft (14) are respectively provided with a conical surface (17);
the roller structure (8) comprises a bottom outer ring (21), an elastic telescopic shaft (24) and a telescopic shaft (29), wherein the bottom outer ring (21) is installed on one side of a connecting driving frame (39), the elastic telescopic shaft (24) is installed on the inner wall of the bottom outer ring (21), the lower end of the connecting driving frame (39) is provided with a supporting inner shaft (25), 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 a bonding sheet (23).
2. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 1, wherein: negative pressure suction cups (27) are arranged on the outer sides of the bottom-attached outer rings (21), and pressing convex surfaces (26) are arranged at two ends of the bottom-attached outer rings (21).
3. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 2, wherein: elastic support shaft (41) is installed to the upper end of extension arm (7), 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 support arm (3), spacing spring (19) are installed in the outside of elastic support shaft (41).
4. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 3, wherein: the ejector rod (28) is arranged on the outer side of the bottom attaching outer ring (21), the negative pressure cavity (37) is symmetrically arranged on the inner wall of the bottom attaching outer ring (21), the sealing piston (38) is arranged in the negative pressure cavity (37), and the negative pressure sucker (27) is arranged on the upper surface of the negative pressure cavity (37).
5. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 4, wherein: one end of the first connecting shaft (13) is provided with a telescopic shaft (29), one end of the second connecting shaft (14) is connected with the first connecting shaft (13) through the telescopic shaft (29), supporting shaft pins (31) are arranged at two ends of the telescopic shaft (29), and the telescopic shaft (29) is connected with the first connecting shaft (13) and the second connecting shaft (14) through the supporting shaft pins (31).
6. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 5, wherein: the outside of telescopic shaft (29) is installed supporting spring (30), supporting spring (30) are used for providing elasticity effect for telescopic shaft (29).
7. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 6, wherein: 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 jacket (34), one end of the first extending shaft (32) is provided with an arc-shaped top shaft (35), and the spherical jacket (34) is used for being sleeved outside the arc-shaped top shaft (35).
8. The infrasonic wave pipeline leakage monitoring and rapid positioning device according to claim 7, wherein: the outside of arc top axle (35) is installed spin (36), spin (36) are used for increasing the flexible degree of connection between arc top axle (35) and spherical overcoat (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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Citations (6)

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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
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
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
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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