CN115014660A - Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission - Google Patents
Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission Download PDFInfo
- Publication number
- CN115014660A CN115014660A CN202210521491.9A CN202210521491A CN115014660A CN 115014660 A CN115014660 A CN 115014660A CN 202210521491 A CN202210521491 A CN 202210521491A CN 115014660 A CN115014660 A CN 115014660A
- Authority
- CN
- China
- Prior art keywords
- rod
- detection device
- sides
- wall
- air
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to an oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission, which comprises a detection device, a detection device and a detection device, wherein the detection device comprises a detection device body and a detection device body; the connecting rod, the equal fixed mounting in both sides of connecting rod has the fixed plate, one side fixed mounting that the both sides fixed plate deviates from the connecting rod has the gasbag, one side that the both sides gasbag deviates from the fixed plate is equipped with the fly leaf with the gasbag butt, install on the fly leaf of both sides that it moves to the inboard and carries out extruded extrusion subassembly to the gasbag of drive, the fixed plate of one side is installed drive extrusion subassembly and is carried out moving drive assembly. The invention has novel design, when the pressure sensor detects that the internal pressure of the cavity reaches a certain degree, the pipeline normally does not find a hole, and when the pressure sensor detects that the internal pressure is too small or is consistent with the external pressure, the hole exists at the position and needs to be repaired in time, and the equipment does not have the requirement on the wall thickness of the pipeline by detecting the air pressure, and can detect the pipeline full of oil stains.
Description
Technical Field
The invention relates to the field of pipeline detection, in particular to an oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission.
Background
The pipeline inner wall detection means that the pipeline transmission medium is utilized to drive the detector to run in the pipeline, the damage conditions such as deformation, corrosion and the like of the pipeline are detected and recorded in real time, and the operation of accurate positioning is realized.
The method for detecting the inner wall of the pipeline mainly comprises magnetic flux leakage detection and ultrasonic detection, wherein the magnetic flux leakage detection has extremely high requirement on the wall thickness of the pipeline during detection, the detection cannot be carried out on a thicker pipeline, and the ultrasonic detection has extremely high requirement on the cleanliness of the pipeline during detection.
Disclosure of Invention
The invention aims to provide an oil-gas pipeline inner wall detection device based on high-capacity optical fiber transmission, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a detection device for the inner wall of an oil and gas pipeline based on high-capacity optical fiber transmission comprises a detection device body and a detection device body, wherein the detection device body is provided with a detection hole;
the air bag pressing device comprises a connecting rod, fixed plates are fixedly mounted on two sides of the connecting rod, an air bag is fixedly mounted on one side, away from the connecting rod, of each fixed plate on the two sides, a movable plate abutted against the air bag is arranged on one side, away from the fixed plates, of the air bags on the two sides, an extrusion assembly for driving the movable plates to move inwards and extrude the air bag is mounted on the movable plates on the two sides, a driving assembly for driving the extrusion assembly to operate is mounted on the fixed plate on one side, an air exhaust assembly connected with the extrusion assembly is mounted on the fixed plate on the other side, the driving assembly drives the extrusion assembly to operate, the air exhaust assembly connected with the extrusion assembly also operates, and external air is extracted into a closed cavity formed between the air bags on the two sides and the inner wall of the pipeline;
the side of the driving component, which is far away from the extrusion component, and the side of the air exhaust component, which is far away from the extrusion component, are both provided with moving components for moving by a driving device;
and a monitoring assembly for monitoring the atmospheric pressure in the closed cavity formed between the air bags on the two sides is arranged on the fixing plate on one side, is connected with the driving assembly, and stops the driving assembly when the monitoring assembly detects that the atmospheric pressure in the closed cavity reaches a corresponding degree.
As a further scheme of the invention: the extrusion subassembly is including setting up the two-way lead screw in connecting rod one side, connecting rod fixed mounting has the dead lever of fixing to two-way lead screw, the equal threaded connection in both ends of two-way lead screw runs through the fixed plate and rotates the threaded sleeve who is connected with the fly leaf, equal fixed mounting has the gear wheel on the threaded sleeve of both sides, it is connected with the prism pole to rotate between the fixed plate of both sides, sliding connection has the pinion with gear wheel mesh on the prism pole, the both sides of gear wheel all rotate be connected with the cover establish the limiting plate on the prism pole, the limiting plate of both sides rotates with the both sides of pinion to be connected.
As a still further scheme of the invention: the driving assembly comprises a servo motor arranged on one side of the movable plate, a threaded sleeve on one side extends to the other side of the movable plate and is fixedly provided with a groove sleeve, and a convex block sliding rod fixedly arranged with an output shaft of the servo motor is connected in the groove sleeve in a sliding mode.
As a still further scheme of the invention: the air exhaust assembly comprises an air exhaust cylinder arranged on one side of the movable plate, an impeller is connected in the air exhaust cylinder in a rotating mode, a rotating shaft of the impeller extends out of the air exhaust cylinder and is fixedly provided with a prismatic telescopic rod, and a movable end of the prismatic telescopic rod is fixedly installed with the threaded sleeve.
As a still further scheme of the invention: an air outlet pipe communicated with the inside of the air pump is fixedly installed on one side of the outer wall of the air pump, the other end of the air outlet pipe penetrates through the movable plate and is fixedly installed with the fixed plate, and an air inlet pipe communicated with the inside of the air pump is fixedly installed on the other side of the outer wall of the air pump.
As a still further scheme of the invention: the movable assembly comprises a slide bar, a fixing ring is fixedly mounted at one end of the slide bar, a plurality of first hinged seats are fixedly mounted on the fixing ring, the first hinged seats are hinged to first hinged rods, and idler wheels sliding on the inner wall of the oil-gas pipeline are fixedly mounted at one ends of the first hinged rods departing from the first hinged seats.
As a still further scheme of the invention: equal fixed mounting has the articulated seat of second on a plurality of first articulated links, sliding connection has the slip ring on the slide bar, fixed mounting has the first compression spring of cover on the slide bar between slip ring and the solid fixed ring, fixed mounting has the third articulated seat equal with first articulated link quantity on the slip ring, be equipped with the second articulated link that supports first articulated link between first articulated link and the slide bar, the one end and the articulated seat of second articulated link are articulated, the other end and the third articulated seat of second articulated link are articulated.
As a still further scheme of the invention: the monitoring assembly comprises a pressure cylinder fixedly mounted on a fixed plate and a movable plate, a piston block is connected to the pressure cylinder in a sliding mode, a push rod is fixedly mounted at one end of the piston block, the push rod is connected with a stable round block which supports the pressure cylinder in a sliding mode, the stable round block is fixedly mounted in the pressure cylinder, a second compression spring is fixedly mounted between the piston block and the stable round block and sleeved on the push rod, and a button connected with a servo motor through a wire is fixedly mounted on the inner wall of one end of the pressure cylinder.
As a still further scheme of the invention: the connecting rod is fixedly provided with a pressure sensor for monitoring the air pressure of the cavity, the sliding rod on one side is fixedly provided with a photoelectric converter for converting an electric signal into an optical signal, one side of the photoelectric converter is fixedly provided with a cable, and the cable is internally provided with an optical fiber line and an electric wire.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, the air bags are tightly attached to the inner wall of an oil-gas pipeline by extruding the air bags through the movable plates on the two sides, a closed cavity is formed between the air bags on the two sides and the oil-gas pipeline, the air pumping assembly connected with the extruding assembly runs at the same time, external air is pumped into the closed cavity formed between the air bags on the two sides and the inner wall of the pipeline, when the pressure sensor detects that the internal pressure of the cavity reaches a certain degree, the pipeline is normal and has no hole, and when the pressure sensor detects that the internal pressure of the cavity is too low or consistent with the external pressure, the pipeline needs to be repaired in time, the equipment has no requirement on the wall thickness of the pipeline by detecting the air pressure, and meanwhile, the pipeline full of oil stains can be detected.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 2 is an enlarged structural schematic diagram of a screw rod sleeve in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 3 is a schematic diagram of the internal structure of an air bag in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 4 is an enlarged structural schematic diagram of a groove sleeve in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 5 is an enlarged schematic structural diagram of a roller in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 6 is an enlarged structural schematic diagram of a prism telescopic rod in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 7 is a schematic diagram of an internal structure of an extraction cylinder in an embodiment of an oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
FIG. 8 is a schematic diagram of the internal structure of a pressure cylinder in an embodiment of the oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission.
In the figure: 1. a fixing plate; 2. a connecting rod; 3. a movable plate; 4. a threaded sleeve; 5. a bidirectional screw rod; 6. an air bag; 7. fixing the rod; 8. a bull gear; 9. a pinion gear; 10. a limiting plate; 11. a first support frame; 12. a groove sleeve; 13. a protective cylinder; 14. a fixing ring; 15. a first hinge mount; 16. a first hinge lever; 17. a second hinge mount; 18. a second hinge lever; 19. a roller; 20. a slip ring; 21. a slide bar; 22. a first compression spring; 23. a photoelectric converter; 24. a cable; 25. a second support frame; 26. an air pumping cylinder; 27. a pressure cylinder; 28. a prismatic telescopic rod; 29. an air outlet pipe; 30. a pressure sensor; 31. a servo motor; 32. a bump slider; 33. mounting a plate; 34. a third hinge mount; 35. an impeller; 36. an air inlet pipe; 37. a piston block; 38. a push rod; 39. a second compression spring; 40. a stable round block; 41. a button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an oil and gas pipeline inner wall detection device based on large capacity optical fiber transmission includes;
connecting rod 2, the equal fixed mounting in both sides of connecting rod 2 has fixed plate 1, both sides fixed plate 1 deviates from one side fixed mounting of connecting rod 2 has gasbag 6, both sides gasbag 6 deviates from one side of fixed plate 1 be equipped with fly leaf 3 of 6 butts of gasbag, both sides it removes and is right to the inboard side to install drive on the fly leaf 3 gasbag 6 carries out extruded extrusion subassembly.
The extrusion subassembly is including setting up the two-way lead screw 5 of 2 one sides of connecting rod, 2 fixed mounting of connecting rod is right two-way lead screw 5 carries out fixed dead lever 7, the equal threaded connection in both ends of two-way lead screw 5 runs through fixed plate 1 and with the thread bush 4 of 3 rotations connections of fly leaf, both sides equal fixed mounting has gear wheel 8 on the thread bush 4, both sides rotate between the fixed plate 1 and be connected with the prism pole, sliding connection on the prism pole have with gear wheel 8 meshed pinion 9, gear wheel 8's both sides are all rotated and are connected with the cover and establish limiting plate 10 on the prism pole, both sides limiting plate 10 with the both sides of pinion 9 are rotated and are connected.
One of the threaded sleeves 4 is provided to rotate, because it is threadedly coupled to one side of the two-way lead screw 5, therefore, the threaded sleeve 4 moves when rotating, the movable plate 3 on one side is driven to move by the movement of the threaded sleeve 4, the air bag 6 at one side is extruded, the large gear 8 fixed on the threaded sleeve 4 rotates along with the threaded sleeve 4 at the same time, the rotating large gear 8 drives the pinion 9 meshed below to rotate, the rotation of the pinion 9 drives the prism rod to rotate, and certainly, the prism rod moves to one side while the threaded sleeve 4 rotates, the movable gearwheel 8 drives the pinion 9 to move through the limiting plates 10 arranged at the two sides, meanwhile, the prism rod can be driven to rotate, the air bags 6 are tightly attached to the inner wall of the oil-gas pipeline by extruding the air bags 6 through the movable plates 3 at the two sides, and a closed cavity is formed between the air bags at the two sides and the oil-gas pipeline.
Of course, the connecting rods 2 are provided with a plurality of connecting rods 2, the connecting rods 2 are connected with the fixing plates 1 on two sides in a welding mode, and the connecting rods 2 connected in the welding mode enable the detection device to operate more stably in the pipeline.
Preferably, both sides of the fixed rod 7 are fixedly provided with hydraulic rods, the movable ends of the hydraulic rods are fixedly arranged on the movable plates 3 on both sides, and the movable plates 3 can be driven to extrude the airbag 6 more accurately through the hydraulic rods.
And a driving assembly for driving the extrusion assembly to operate is arranged on the fixing plate 1 on one side.
Referring to fig. 1, 3 and 4, the driving assembly includes a servo motor 31 disposed at one side of the movable plate 3, the threaded sleeve 4 at one side extends to the other side of the movable plate 3 and is fixedly mounted with a groove sleeve 12, and the groove sleeve 12 is slidably connected with a projection sliding rod 32 fixedly mounted with an output shaft of the servo motor 31.
Specifically, servo motor 31 starts, servo motor 31 drives the rotatory lug slide bar 32 of fixed mounting on its output shaft, rotatory lug slide bar 32 drives recess sleeve pipe 12 and rotates, the rotation of recess sleeve pipe 12 then drives the screw thread sleeve 4 rotation of one side, and can take place to remove when screw thread sleeve 4 is rotatory, this moment because the lug on the lug slide bar 32 and the recess sliding fit in the recess sleeve pipe 12, when leading to lug slide bar 32 roll-off recess sleeve pipe 12, it is rotatory to lead to lug slide bar 32 still to be able to drive screw thread sleeve 4 through recess sleeve pipe 12, simultaneously through servo motor 31's positive and negative rotation, can control the direction of screw thread sleeve 4 rotatory direction and the direction of removal.
Further, servo motor 31's one end fixed mounting has the first support frame 11 that supports it, a plurality of support columns of first support frame 11 all run through fly leaf 3 and with 1 fixed mounting of fixed plate, and the support column with 3 sliding connection of fly leaf, through first support frame 11 is that whole structure cooperation is inseparabler, servo motor 31 overcoat is equipped with a protection section of thick bamboo 13 that carries out the protection to it, the one end of a protection section of thick bamboo 13 with first support frame 11 fixed mounting, through a protection section of thick bamboo 13 makes the cooperation that subsequent subassembly can be inseparable be in the same place.
And an air exhaust assembly connected with the extrusion assembly is installed on the fixed plate 1 on the other side, the driving assembly drives the extrusion assembly to operate, and meanwhile, the air exhaust assembly connected with the extrusion assembly also operates to exhaust outside air to the two sides in a closed cavity formed between the air bag 6 and the inner wall of the pipeline.
Referring to fig. 1, 6, and 7, the air pumping assembly includes an air pumping cylinder 26 disposed on one side of the movable plate 3, an impeller 35 is rotatably connected in the air pumping cylinder 26, a rotating shaft of the impeller 35 extends out of the air pumping cylinder 26 and is fixedly mounted with a prism telescopic rod 28, and a movable end of the prism telescopic rod 28 is fixedly mounted with the threaded sleeve 4.
In detail, the threaded sleeve 4 rotates to drive the connected prismatic telescopic rod 28 to rotate, the prismatic telescopic rod 28 rotates to drive the impeller 35 connected with the prismatic telescopic rod 28 to rotate for air suction, and when the threaded sleeve 4 moves through the prismatic telescopic rod 28, the prismatic telescopic rod 28 can still drive the impeller 35 to rotate.
It should be noted that a second support frame 25 for fixing the air pumping cylinder 26 is fixedly installed at one side of the air pumping cylinder 26, a plurality of support columns of the second support frame 25 all penetrate through the movable plate 3 and are fixedly installed with the fixed plate 1, and the support columns are slidably connected with the movable plate 3, so that the air pumping cylinder 26 is relatively kept in a fixed state with the equipment by the second support frame 25, and the movement of the air pumping cylinder 3 does not affect the air pumping cylinder 26.
Referring to fig. 1, 6 and 7, an air outlet pipe 29 is fixedly installed on one side of the outer wall of the air pump 26, the air outlet pipe 29 is communicated with the inside of the air pump, the other end of the air outlet pipe 29 penetrates through the movable plate 3 and is fixedly installed on the fixed plate 1, an air inlet pipe 36 is fixedly installed on the other side of the outer wall of the air pump 26, the air is sucked in through the air inlet pipe 36, and then the air is discharged into a closed cavity formed between the air bag 6 and the inner wall of the pipeline on the two sides through the air outlet pipe 29, so that the air pressure in the cavity is increased.
Preferably, an air pump is fixedly mounted on the second support frame 25, an air outlet end of the air pump is fixedly mounted with the air pump 1 and extends to the other side of the air pump 1, and the volume of air entering the closed cavity can be more accurately controlled through the air pump.
Referring to fig. 1 and 5, the moving assembly includes a sliding rod 21, a fixing ring 14 is fixedly mounted at one end of the sliding rod 21, a plurality of first hinge seats 15 are fixedly mounted on the fixing ring 14, the first hinge seats 15 are hinged to a first hinge rod 16, and a roller 19 sliding on the inner wall of the oil and gas pipeline is fixedly mounted at one end of the first hinge rod 16 departing from the first hinge seats 15.
A plurality of gyro wheels 19 that set up make equipment can remove in the pipeline fast, make the center of equipment be located the center pin of pipeline all the time, can make equipment be applicable to the less different pipelines of pipe diameter difference through the size of contained angle between adjustment 16 and 21.
It should be noted that, a mounting plate 33 is fixedly mounted on the slide rod 21 on one side, one end of the mounting plate 33, which is away from the slide rod 21, is fixedly mounted on the air extraction cylinder 26, and the slide rod 21 on the other side is fixedly mounted on the protection cylinder 13, so that the moving assemblies on the two sides and the equipment are fixed to each other, and the overall structure of the equipment is more compact and firmer.
Referring to fig. 1 and 5, a plurality of first hinge rods 16 are all fixedly mounted with second hinge seats 17, a sliding rod 21 is slidably connected with a sliding ring 20, a first compression spring 22 sleeved on the sliding rod 21 is fixedly mounted between the sliding ring 20 and the fixing ring 14, the sliding ring 20 is fixedly mounted with third hinge seats 34 equal to the first hinge rods 16 in number, a second hinge rod 18 supporting the first hinge rod 16 is arranged between the first hinge rod 16 and the sliding rod 21, one end of the second hinge rod 18 is hinged to the second hinge seats 17, and the other end of the second hinge rod 18 is hinged to the third hinge seats 34.
Specifically, when the pipe diameter to be detected becomes larger, a gap is generated between the roller 19 and the inner wall of the pipeline, the first compression spring 22 stretches the sliding ring 20, so that the sliding ring 20 moves to the left side, while the sliding ring 20 moves to the left, the second hinge rod 18 hinged through the third hinge seat 34 pushes the first hinge rod 16 to rotate upwards, the degree of the included angle between the first hinge rod 16 and the sliding rod 21 is increased, so that the roller 19 is attached to the inner wall of the pipeline again, of course, when the pipe diameter to be detected becomes smaller, the roller 19 is attached to the inner wall of the pipeline, so that the degree of the included angle between the first hinge rod 16 and the sliding rod 21 is decreased, the second hinge rod 18 hinged through the second hinge seat 17 pushes the sliding ring 20 to move to the right, and the first compression spring 22 is stretched.
Preferably, fixed ring 14 fixed mounting be in on mounting panel 33, fixed ring 14 deviates from the one end fixed mounting electric telescopic handle of mounting panel 33, the dry expansion end of electric telescopic handle with slip ring 20 fixed mounting, through electric telescopic handle can accurate control the distance that slip ring 20 removed, thereby control distance between gyro wheel 19 and the pipeline inner wall makes the pipeline inner wall is hugged closely to gyro wheel 19.
Referring to fig. 1, 6 and 8, the monitoring assembly includes a pressure cylinder 27 fixedly mounted on the fixed plate 1 and the movable plate 3, a piston block 37 is slidably connected in the pressure cylinder 27, a push rod 38 is fixedly mounted at one end of the piston block 37, the push rod 38 is slidably connected with a stabilizing round block 40 supporting the piston block 38, the stabilizing round block 40 is fixedly mounted in the pressure cylinder 27, a second compression spring 39 sleeved on the push rod 38 is fixedly mounted between the piston block 37 and the stabilizing round block 40, and a button 41 connected with the servo motor 31 through a wire is fixedly mounted on an inner wall of one end of the pressure cylinder 27.
In detail, when the air pressure in the closed cavity formed between the air bags 6 on the two sides and the inner wall of the pipeline gradually rises, the piston block 37 moves towards the right side, the moving piston block 37 drives the push rod 38 fixed with the piston block to move, the compression spring 39 is extruded in the moving process, when the piston block 37 moves for a certain distance, the fixed push rod 38 is abutted with the button 41, the servo motor 31 is reversed, the air bags 6 on the two sides are gradually released, the air pressure of the air bags is consistent with the external air pressure, and at the moment, the compression spring 39 compressed by the piston block 37 is pushed back to the original position.
Preferably, 2 is provided with a pressure gauge, and when the pressure gauge reaches a certain pressure value, the servo motor 31 is driven to rotate reversely through an internal control chip.
Referring to fig. 1, a pressure sensor 30 for monitoring the air pressure of the cavity is fixedly mounted on the connecting rod 2, a photoelectric converter 23 for converting an electrical signal into an optical signal is fixedly mounted on the sliding rod 21 at one side, a cable 24 is fixedly mounted at one side of the photoelectric converter 23, and an optical fiber line and an electric wire are mounted in the cable 24.
In detail, when the pressure sensor 30 detects that the internal pressure reaches a certain level, it indicates that no hole is normally found in the pipe, and when the pressure sensor 30 detects that the internal pressure is too low or is consistent with the external pressure, it indicates that a hole is present in the pipe and needs to be repaired in time.
Specifically, control signals of the equipment are converted into optical signals through the photoelectric converter 23, the optical signals are connected with external receiving equipment through an optical fiber line, the real-time operation information of the equipment can be more clearly determined by an operator through the optical fiber, the delay rate is reduced, and meanwhile, a power supply is provided for the equipment through a connected wire.
Preferably, slide bar 21 fixed mounting has wireless transmitter, through wireless transmitter sends equipment information long-range for the receiving terminal, and one side slide bar 21 fixed mounting has the battery, through wireless connection's mode transmission signal, need not to pull the cable, certainly because equipment is in the metal pipeline, and the metal pipeline buries with underground, and it is relatively poor to lead to the signal, has certain delay effect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A device for detecting the inner wall of an oil-gas pipeline based on high-capacity optical fiber transmission is characterized by comprising a detection device, a detection device and a control device, wherein the detection device is used for detecting the inner wall of the oil-gas pipeline;
the connecting rod (2), the equal fixed mounting in both sides of connecting rod (2) has fixed plate (1), both sides fixed plate (1) deviate from one side fixed mounting of connecting rod (2) has gasbag (6), both sides gasbag (6) deviate from one side of fixed plate (1) be equipped with fly leaf (3) of gasbag (6) butt, both sides install on fly leaf (3) its extrusion subassembly that moves to the inboard and to gasbag (6) extrude, the fixed plate (1) of one side installs the drive the extrusion subassembly carries out moving drive assembly, the opposite side install on fixed plate (1) with the subassembly of bleeding that the extrusion subassembly is connected, when the driving assembly drives the extrusion assembly to operate, the air pumping assembly connected with the extrusion assembly also operates to pump external air into a closed cavity formed between the air bags (6) on the two sides and the inner wall of the pipeline;
the side of the driving assembly, which is far away from the extrusion assembly, and the side of the air exhaust assembly, which is far away from the extrusion assembly, are both provided with moving assemblies which are moved by driving devices;
and a monitoring assembly for monitoring the atmospheric pressure in a closed cavity formed between the air bags (6) at two sides is arranged on the fixing plate (1) at one side, is connected with the driving assembly, and stops the driving assembly when the monitoring assembly detects that the atmospheric pressure in the closed cavity reaches a corresponding degree.
2. The oil and gas pipeline inner wall detection device based on large capacity optical fiber transmission is characterized in that the extrusion assembly comprises a bidirectional screw rod (5) arranged on one side of the connecting rod (2), the connecting rod (2) is fixedly provided with a fixing rod (7) for fixing the bidirectional screw rod (5), both ends of the bidirectional screw rod (5) are in threaded connection with a threaded sleeve (4) which penetrates through the fixing plate (1) and is rotatably connected with the movable plate (3), both sides of the threaded sleeve (4) are respectively and fixedly provided with a gear wheel (8), both sides of the fixing plate (1) are rotatably connected with a prism rod, the prism rod is in sliding connection with a pinion (9) meshed with the gear wheel (8), both sides of the gear wheel (8) are respectively and rotatably connected with a limiting plate (10) sleeved on the prism rod, the limiting plates (10) on the two sides are rotationally connected with the two sides of the pinion (9).
3. The oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission is characterized in that the driving assembly comprises a servo motor (31) arranged on one side of the movable plate (3), the threaded sleeve (4) on one side extends to the other side of the movable plate (3) and is fixedly provided with a groove sleeve (12), and a lug sliding rod (32) fixedly mounted with an output shaft of the servo motor (31) is connected in the groove sleeve (12) in a sliding manner.
4. The oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission is characterized in that the air extraction assembly comprises an air extraction cylinder (26) arranged on one side of the movable plate (3), an impeller (35) is rotatably connected in the air extraction cylinder (26), a rotating shaft of the impeller (35) extends out of the air extraction cylinder (26) and is fixedly provided with a prism telescopic rod (28), and a movable end of the prism telescopic rod (28) is fixedly arranged with the threaded sleeve (4).
5. The oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission according to claim 4, wherein an air outlet pipe (29) communicated with the inside of the air extraction cylinder (26) is fixedly installed on one side of the outer wall of the air extraction cylinder (26), the other end of the air outlet pipe (29) penetrates through the movable plate (3) and is fixedly installed on the fixed plate (1), and an air inlet pipe (36) communicated with the inside of the air extraction cylinder (26) is fixedly installed on the other side of the outer wall of the air extraction cylinder.
6. The oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission is characterized in that the moving assembly comprises a sliding rod (21), a fixing ring (14) is fixedly mounted at one end of the sliding rod (21), a plurality of first hinged seats (15) are fixedly mounted on the fixing ring (14), the first hinged seats (15) are hinged to a first hinged rod (16), and rollers (19) sliding on the inner wall of the oil and gas pipeline are fixedly mounted at one end, away from the first hinged seat (15), of the first hinged rod (16).
7. The oil and gas pipeline inner wall detection device based on large capacity optical fiber transmission of claim 6, it is characterized in that a plurality of first hinging rods (16) are all fixedly provided with second hinging seats (17), the sliding rod (21) is connected with a sliding ring (20) in a sliding way, a first compression spring (22) sleeved on the sliding rod (21) is fixedly installed between the sliding ring (20) and the fixing ring (14), third hinge seats (34) with the same number as the first hinge rods (16) are fixedly arranged on the sliding ring (20), a second articulated rod (18) supporting the first articulated rod (16) is arranged between the first articulated rod (16) and the sliding rod (21), one end of the second hinge rod (18) is hinged with the second hinge seat (17), the other end of the second hinge rod (18) is hinged with the third hinge seat (34).
8. The oil and gas pipeline inner wall detection device based on large-capacity optical fiber transmission according to claim 3, characterized in that the monitoring assembly comprises a pressure cylinder (27) fixedly mounted on the fixed plate (1) and the movable plate (3), a piston block (37) is connected in the pressure cylinder (27) in a sliding way, one end of the piston block (37) is fixedly provided with a push rod (38), the pushing rod (38) is connected with a stable round block (40) which supports the pushing rod in a sliding way, and the stabilizing round block (40) is fixedly arranged in the pressure cylinder (27), a second compression spring (39) sleeved on the pushing rod (38) is fixedly arranged between the piston block (37) and the stabilizing round block (40), and a button (41) connected with the servo motor (31) through a wire is fixedly arranged on the inner wall of one end of the pressure cylinder (27).
9. The oil and gas pipeline inner wall detection device based on high-capacity optical fiber transmission is characterized in that a pressure sensor (30) for monitoring the air pressure of a cavity is fixedly mounted on the connecting rod (2), a photoelectric converter (23) for converting an electric signal into an optical signal is fixedly mounted on the sliding rod (21) on one side, a cable (24) is fixedly mounted on one side of the photoelectric converter (23), and an optical fiber line and an electric wire are mounted in the cable (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521491.9A CN115014660A (en) | 2022-05-13 | 2022-05-13 | Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521491.9A CN115014660A (en) | 2022-05-13 | 2022-05-13 | Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115014660A true CN115014660A (en) | 2022-09-06 |
Family
ID=83068609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210521491.9A Pending CN115014660A (en) | 2022-05-13 | 2022-05-13 | Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115014660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928605A (en) * | 2023-09-13 | 2023-10-24 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
| CN116990219A (en) * | 2023-09-22 | 2023-11-03 | 江苏德励达新材料股份有限公司 | Polyurethane panel stability sampling detection device |
-
2022
- 2022-05-13 CN CN202210521491.9A patent/CN115014660A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928605A (en) * | 2023-09-13 | 2023-10-24 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
| CN116928605B (en) * | 2023-09-13 | 2023-11-17 | 鑫瑞特检测技术(无锡)有限公司 | Underground pipeline leakage detection device |
| CN116990219A (en) * | 2023-09-22 | 2023-11-03 | 江苏德励达新材料股份有限公司 | Polyurethane panel stability sampling detection device |
| CN116990219B (en) * | 2023-09-22 | 2023-11-24 | 江苏德励达新材料股份有限公司 | Polyurethane panel stability sampling detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115014660A (en) | Oil gas pipeline inner wall detection device based on large capacity optical fiber transmission | |
| CN211292386U (en) | Automatic inspection and detection device for high polymer pipe | |
| CN116448771B (en) | Device and method for detecting quality of tyre of motor home | |
| CN111735662B (en) | Peristaltic pump type intelligent inspection and sampling device | |
| CN108788683B (en) | Tubular motor bearing installation equipment | |
| CN116026703B (en) | Toughness detector for cable production | |
| CN216247249U (en) | Remove portable four-wheel alignment appearance that uses | |
| CN113670936A (en) | Brake pump shell detection equipment and method thereof | |
| CN210400812U (en) | High pressure fuel pipe assembly inspection bench | |
| CN113740147A (en) | Highway road surface compressive capacity detection device | |
| CN115575241B (en) | Compression-resistant detection equipment for lithium battery processing | |
| CN108915978B (en) | Water wave pump capable of continuously supplying water by utilizing clean natural energy | |
| CN113118587B (en) | Motor coil tin soldering charging plate positioning device | |
| CN221139120U (en) | Heavy-calibre PVC tubular product bearing frame of unloading | |
| CN110987096A (en) | Device for detecting water quantity of pipeline by utilizing water quantity to drive air pressure change | |
| CN217264369U (en) | Crane deflection measuring and detecting device | |
| CN113252948B (en) | Electrohydraulic servo system with detection and control function module and adapted to Internet of things | |
| CN220397160U (en) | Pan-tilt for panoramic camera shooting | |
| CN220452019U (en) | Differential pressure pipe assembly of automobile exhaust system | |
| CN218883376U (en) | Pipeline inspection trolley for tour | |
| CN220228778U (en) | 5G intelligent underground pipe network inspection equipment | |
| CN113374247B (en) | Clamping device for special-shaped section steel pipe concrete member | |
| CN214067267U (en) | Resistance testing device for core rod body of composite insulator | |
| CN110082105B (en) | Noise testing equipment for rack power-assisted steering device | |
| CN221069057U (en) | Liquid chromatographic column storage device with protection function |
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 |