CN115949833B - Petroleum pipeline tightness internal detection device and application method thereof - Google Patents
Petroleum pipeline tightness internal detection device and application method thereof Download PDFInfo
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- CN115949833B CN115949833B CN202310240484.6A CN202310240484A CN115949833B CN 115949833 B CN115949833 B CN 115949833B CN 202310240484 A CN202310240484 A CN 202310240484A CN 115949833 B CN115949833 B CN 115949833B
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Abstract
The invention relates to the technical field of petroleum pipeline detection, in particular to an internal detection device for petroleum pipeline tightness and a use method thereof, comprising a central connecting seat, wherein the front side and the rear side of the central connecting seat are respectively connected with a horizontal connecting rod, and the device further comprises: the horizontal travelling frames are arranged on the outer sides of the central connecting seats, the plurality of horizontal travelling frames are uniformly arranged around the central connecting seats in a circumferential shape, and driving travelling wheels are arranged in the middle of the horizontal travelling frames. The invention can automatically move to the position to be detected by driving the travelling wheel, and can block the petroleum pipeline by inflating and expanding the blocking air bags, a closed detection environment is formed by blocking the two blocking air bags, then the inside of the closed detection environment can be inflated, the internal air pressure is improved for detection work, and the air pressure is detected by the air pressure detector arranged in the middle of the central connecting seat for detecting the tightness of the petroleum pipeline, so that the detection is more flexible and convenient.
Description
Technical Field
The invention relates to the technical field of petroleum pipeline detection, in particular to an internal detection device for petroleum pipeline tightness and a use method thereof.
Background
Petroleum pipelines are generally used for conveying petroleum and petroleum products, corrosion and corrosion prevention of the pipelines are one of important links of pipeline maintenance, and in the use process, the petroleum pipelines can be damaged due to corrosion and accidents, so that oil transportation pressure is reduced, and meanwhile, leakage can be possibly recovered, so that the tightness of the petroleum pipelines needs to be detected when leakage occurs or daily maintenance is carried out.
The patent with the application number of CN201821880952.7 discloses a petroleum pipeline tightness detection device, which belongs to the technical field of petroleum pipeline detection and comprises a first connecting pipe and a second connecting pipe which are respectively connected to two axial ends of a petroleum pipeline, wherein the first connecting pipe is connected with a fan, and the second connecting pipe is connected with a baffle; the device also comprises a detection assembly and a connection assembly, wherein the connection assembly is rotationally connected with the fan and can rotate relative to the fan by taking the axis of the petroleum pipeline as a shaft; the detection assembly comprises a slide bar, one end of the slide bar is connected with the connection assembly in a sliding manner, and the slide bar can slide relative to the connection assembly along the length direction of the petroleum pipeline; one end of the sliding rod, which is far away from the connecting component, is fixedly connected with a supporting ring sleeved on the outer wall of the petroleum pipeline, and the supporting ring can rotate around the petroleum pipeline and slide along the petroleum pipeline; a ribbon is arranged on one side of the sliding rod facing the petroleum pipeline, the tightness of the petroleum pipeline can be intuitively judged by observing the waving condition of the ribbon, and the fracture position of the petroleum pipeline is found out.
However, the petroleum pipeline needs to be movably installed on equipment for detection, the tightness of the installed petroleum pipeline cannot be detected, and a specific damage position on the installed petroleum pipeline cannot be found easily.
Disclosure of Invention
Accordingly, the present invention is directed to an internal detection device for petroleum pipeline tightness and a method for using the same, which solve the problem that the existing petroleum pipeline tightness detection device cannot detect the tightness of the installed petroleum pipeline.
Based on the above object, the invention provides an internal detection device for petroleum pipeline tightness, which comprises a central connecting seat, wherein the front side and the rear side of the central connecting seat are respectively connected with a horizontal connecting rod, and the internal detection device further comprises:
the horizontal travelling frames are arranged on the outer sides of the central connecting seats, a plurality of horizontal travelling frames are circumferentially and uniformly arranged around the central connecting seats, and driving travelling wheels are arranged in the middle of each horizontal travelling frame;
the limiting baffle is fixedly arranged at one end of the horizontal connecting rod, which is far away from the central connecting seat, one side of the limiting baffle, which is close to the central connecting seat, is provided with a blocking air bag, the center of the blocking air bag is provided with a central sliding sleeve, the middle of the blocking air bag is provided with a first electromagnetic valve, and the blocking air bag is mutually connected with the horizontal connecting rod in a sliding manner through the central sliding sleeve;
the linkage pressing plate is fixedly connected to one side, close to the central connecting seat, of the blocking air bag, a horizontal screw rod is rotatably connected to one side, close to the central connecting seat, of the linkage pressing plate, an adjusting screw sleeve is nested on the outer side of the horizontal screw rod, a fixed adjusting frame is rotatably connected to the outer side of the adjusting screw sleeve, and the fixed adjusting frame is fixedly connected to the outer side of the horizontal connecting rod;
the air storage tank is fixedly connected to one side, far away from the central connecting seat, of the limiting baffle plate, a second electromagnetic valve is arranged in the middle of the air storage tank, a detection air injection pipe is connected and arranged on the outer side of the second electromagnetic valve, an inflation hose is connected and arranged between the air storage tank and the blocking air bag, and a third electromagnetic valve is arranged in the middle of the inflation hose;
the middle of the central connecting seat is provided with a barometer;
the connecting sliding sleeves are arranged in the middle of the front end and the rear end of the central connecting seat, the horizontal connecting rods are nested and slidably arranged on the inner sides of the connecting sliding sleeves, adjusting gears are arranged in the middle of the connecting sliding sleeves, adjusting racks are arranged in the middle of the horizontal connecting rods, the adjusting racks are meshed with the adjusting gears, and an adjusting motor is arranged at the shaft ends of the adjusting gears;
the outer side of connecting the sliding sleeve is provided with the connection pivot, the axial central line of connecting the sliding sleeve with the axial central line mutually perpendicular of connecting the pivot, the outside of connecting the pivot is provided with rotatory adapter sleeve, rotatory adapter sleeve with rotate each other between the center connecting seat and be connected, rotatory adapter sleeve's axial central line with the axial central line mutually perpendicular of connecting the pivot, rotatory adapter sleeve's outside is encircleed and is provided with rotatory ring gear, rotatory ring gear's outside meshing is provided with rotary gear, rotary gear's axle head is provided with the rotating electrical machines.
Further, a plurality of sliding jogged grooves are formed in the outer side of the central connecting seat in a surrounding mode, the horizontal moving frame is jogged with the inner side of the sliding jogged grooves, the horizontal moving frame is connected with the central connecting seat in a sliding mode through the sliding jogged grooves, moving springs are arranged at the bottom of the horizontal moving frame, a hub motor is arranged in the middle of the driving moving wheel, and the driving moving wheel is connected with the horizontal moving frame through the hub motor.
Further, the outside of storing the gas pitcher is encircled and is provided with the support frame of marcing, the outside of marcing the support frame is circumference form evenly and is encircleed and be provided with a plurality of support rocking arms, the inner of support rocking arm is provided with the support pivot, the support rocking arm pass through the support pivot with the support frame of marcing rotates to be connected, the outer end of support rocking arm rotates to connect and is provided with the support gyro wheel, the centre of support rocking arm is provided with supporting spring.
Further, one side of the linkage pressing plate, which is close to the central connecting seat, is rotationally connected with a plurality of horizontal screws, the horizontal screws are arranged in parallel with the horizontal connecting rods, a plurality of guide sliding sleeves are arranged in the middle of the fixed adjusting frame, the guide sliding sleeves are correspondingly arranged with the horizontal screws, the horizontal screws are in sliding connection with the fixed adjusting frame through the guide sliding sleeves, a screw sleeve gear is arranged on the outer side of the adjusting screw sleeve, a pressing gear is arranged on the outer side of the screw sleeve gear in a meshed mode, and a pressing motor is arranged on the shaft end of the pressing gear in a connected mode.
Further, one side of advancing the support frame far away from the central connecting seat rotates the connection and is provided with the connection carousel, the centre of connection carousel is circumference form evenly and encircles and be provided with a plurality of telescopic sleeves, telescopic sleeve's middle nested slip is provided with the telescopic link, the centre of telescopic link is provided with the telescopic spring, telescopic link's outer end fixed connection is provided with cleaning scraper blade, the outside of connection carousel is encircleed and is provided with the carousel ring gear, the inboard meshing of carousel ring gear is provided with clean gear, clean gear's axle head connection is provided with clean motor.
Further, the outside of advancing the support frame is encircled and is provided with annular gas-supply pipe, the centre of advancing the support frame is encircled and is provided with annular gas-supply pipe, annular gas-supply pipe is kept away from one side of central connecting seat is the circumference form evenly and is encircleed and be provided with a plurality of air cock shower nozzles, annular gas-supply pipe with be provided with the fourth solenoid valve between the gas storage jar, annular gas-supply pipe with pass through between the gas storage jar the fourth solenoid valve interconnect.
Further, the outside connection of storing the gas pitcher is provided with the inflation air pump, detect the outer end opening of annotating the trachea and be located between the jam gasbag of both sides around the center connecting seat.
The application method of the petroleum pipeline tightness internal detection device comprises the following steps:
the device is nested to be installed to the petroleum pipeline when detecting, travel wheel draw gear wholly advance in the petroleum pipeline inside through the drive on the horizontal frame of marcing, so as to remove the position that needs to detect, the third solenoid valve is opened during the detection, the gas storage tank is inflated into to the jam gasbag through the inflation hose, it is natural to expand after the jam gasbag is inflated with the jam petroleum pipeline, simultaneously drive horizontal screw through rotating the adjusting screw sleeve and remove, and then drive linkage clamp plate translation, so as to promote the jam gasbag through the linkage clamp plate, make jam gasbag centre gripping between limit baffle and linkage clamp plate, further compress the jam gasbag through the extrusion, make the jam gasbag inseparabler jam petroleum pipeline of jam gasbag, and both sides all are provided with the jam gasbag around the center connecting seat, can constitute a confined detection environment through the jam of two jam gasbags, then open the second solenoid valve, the gas storage tank is inflated to this confined detection environment inside through detecting the gas filling pipe, and detect atmospheric pressure through the atmospheric pressure gauge that the centre setting up of center connecting seat, if atmospheric pressure constantly increases and reaches required intact the predetermined value, this section petroleum pipeline just is harmless, and if atmospheric pressure can't reach the leak point of this section petroleum pipeline of predetennining.
The invention has the beneficial effects that: according to the device for detecting the tightness of the petroleum pipeline, which is provided by the invention, the device can be nested and installed in the petroleum pipeline during detection, the device can integrally travel along the petroleum pipeline through the driving traveling wheels in the horizontal traveling frame outside the central connecting seat so as to enable the device to automatically move to a position required to be detected, the blocking air bags are arranged on the front side and the rear side of the central connecting seat, when the device is detected, the blocking air bags are inflated to block the interior of the petroleum pipeline, a closed detection environment is formed by blocking the two blocking air bags, then the device can be inflated to the closed detection environment, the internal air pressure is increased to perform detection work, and if the air pressure cannot reach a preset value, the leakage point exists in the petroleum pipeline through the air pressure detector arranged in the middle of the central connecting seat, so that the detection of tightness of the petroleum pipeline can be completed, the rupture position of the petroleum pipeline can be correspondingly found, and the device can travel along the pipeline and form the closed detection environment through the blocking air bags, thereby being convenient for detecting any section of pipeline, and more flexible and convenient during detection.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a walking state according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a front view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a central connection base according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a connecting sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of a horizontal connecting rod according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a fixed adjusting frame according to an embodiment of the present invention;
FIG. 7 is a schematic view of a plugged balloon according to an embodiment of the present invention;
FIG. 8 is a schematic view of a traveling support frame according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a storage tank according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a connection turntable according to an embodiment of the invention.
Marked in the figure as:
1. a central connecting seat; 101. a sliding engagement groove; 102. a travel spring; 103. a horizontal travel rack; 104. driving the travelling wheel; 105. a hub motor; 106. an air pressure detector; 2. the sliding sleeve is connected; 201. an adjusting gear; 202. adjusting a motor; 203. the connecting rotating shaft; 204. rotating the connecting sleeve; 205. rotating the gear ring; 206. a rotary gear; 207. a rotating electric machine; 3. a horizontal connecting rod; 301. adjusting the rack; 302. a limit baffle; 4. fixing an adjusting frame; 401. a guide sliding sleeve; 402. adjusting the screw sleeve; 403. a screw sleeve gear; 404. pressing the gear; 405. a pressing motor; 5. blocking the balloon; 501. a central sliding sleeve; 502. a linkage pressing plate; 503. a horizontal screw; 504. a first electromagnetic valve; 6. a storage tank; 601. a second electromagnetic valve; 602. detecting an air injection pipe; 603. a third electromagnetic valve; 604. an inflatable hose; 605. a fourth electromagnetic valve; 606. an inflation air pump; 7. a travelling support frame; 701. supporting a rocker arm; 702. supporting a rotating shaft; 703. supporting rollers; 704. a support spring; 705. an annular gas pipe; 706. an air tap nozzle; 8. the connecting turntable; 801. a telescoping sleeve; 802. a telescopic connecting rod; 803. a telescopic spring; 804. a cleaning blade; 805. a turntable gear ring; 806. cleaning the gear; 807. and cleaning the motor.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, an internal detection device for tightness of petroleum pipeline, which comprises a central connecting seat 1, wherein the front side and the rear side of the central connecting seat 1 are respectively connected with a horizontal connecting rod 3, and the internal detection device further comprises:
the horizontal travelling frames 103 are arranged on the outer side of the central connecting seat 1, a plurality of horizontal travelling frames 103 are circumferentially and uniformly arranged around the central connecting seat 1, and a driving travelling wheel 104 is arranged in the middle of each horizontal travelling frame 103;
the limiting baffle plate 302 is fixedly arranged at one end of the horizontal connecting rod 3, which is far away from the central connecting seat 1, one side of the central connecting seat 1, which is close to the limiting baffle plate 302, is provided with a blocking air bag 5, the center of the blocking air bag 5 is provided with a central sliding sleeve 501, the middle of the blocking air bag 5 is provided with a first electromagnetic valve 504, and the blocking air bag 5 is mutually connected with the horizontal connecting rod 3 in a sliding manner through the central sliding sleeve 501;
the linkage pressing plate 502 is fixedly connected to one side of the central connecting seat 1 close to the blocking air bag 5, one side of the central connecting seat 1 close to the linkage pressing plate 502 is rotatably connected with a horizontal screw rod 503, an adjusting screw sleeve 402 is nested on the outer side of the horizontal screw rod 503, a fixed adjusting frame 4 is rotatably connected to the outer side of the adjusting screw sleeve 402, and the fixed adjusting frame 4 is fixedly connected to the outer side of the horizontal connecting rod 3;
the air storage tank 6 is fixedly connected to one side, far away from the central connecting seat 1, of the limiting baffle 302, a second electromagnetic valve 601 is arranged in the middle of the air storage tank 6, a detection air injection pipe 602 is connected to the outer side of the second electromagnetic valve 601, an inflation hose 604 is connected between the air storage tank 6 and the blocking air bag 5, and a third electromagnetic valve 603 is arranged in the middle of the inflation hose 604;
the middle of the central connecting seat 1 is provided with a barometer 106.
In this embodiment, the device needs to be nested and installed inside the petroleum pipeline when detecting, and the plurality of horizontal travelling frames 103 surrounding the outer side of the central connecting seat 1 form a travelling structure, the device can be pulled to wholly travel inside the petroleum pipeline by driving the travelling wheels 104 on the horizontal travelling frames 103 so as to move to the position needing to detect, when detecting, the third electromagnetic valve 603 is opened, the air storage tank 6 can charge air into the blocking air bag 5 through the air charging hose 604, the blocking air bag 5 is made of flexible materials, the blocking air bag 5 can be naturally inflated to block the petroleum pipeline after being inflated, meanwhile, the horizontal screw 503 can be driven to move by rotating the adjusting screw sleeve 402 so as to drive the linkage pressing plate 502 to translate, the blocking air bag 5 is pushed by the linkage pressing plate 502 so as to be clamped between the limiting baffle 302 and the linkage pressing plate 502, the blocking air bags 5 are further compressed by extrusion, so that the blocking air bags 5 are tightly blocked on petroleum pipelines to avoid leakage, the blocking air bags 5 are arranged on the front side and the rear side of the central connecting seat 1, a closed detection environment can be formed by blocking the two blocking air bags 5, then the second electromagnetic valve 601 can be opened, the air storage tank 6 can be inflated into the closed detection environment through the detection air filling pipe 602 to improve the internal air pressure for detection work, the air pressure is detected by the air pressure detector 106 arranged in the middle of the central connecting seat 1, if the air pressure is continuously increased, the petroleum pipeline can reach a required preset value, the petroleum pipeline is intact, and if the air pressure cannot reach the preset value, a leakage point exists on the petroleum pipeline, thereby completing detection of the tightness of the petroleum pipeline, finding out the rupture position of the petroleum pipeline correspondingly, because the device can travel along the inside of the pipeline, and form a closed detection environment through the blocking air bag 5, thereby being convenient for detect the work to any section pipeline, it is more nimble convenient to detect, and after accomplishing the detection work of a section petroleum pipeline, first solenoid valve 504 can be opened and make the inside gas of blocking air bag 5 release naturally, so that blocking air bag 5 shrink naturally and resume, so that the device continues to travel to the next section pipeline and detect the work, simultaneously can accelerate release rate through the extrusion of linkage clamp plate 502, be favorable to recovering the advancing more quickly, improve the efficiency of continuous detection.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, preferably, a plurality of sliding engagement grooves 101 are formed around the outer side of the central connection seat 1, a horizontal travel frame 103 is arranged on the inner side of the sliding engagement grooves 101 in an engaged manner, the horizontal travel frame 103 is connected with the central connection seat 1 in a sliding manner through the sliding engagement grooves 101, a travel spring 102 is arranged at the bottom of the horizontal travel frame 103, a hub motor 105 is arranged in the middle of the driving travel wheel 104, the driving travel wheel 104 is connected with the horizontal travel frame 103 through the hub motor 105, a travel support frame 7 is formed around the outer side of the storage tank 6, a plurality of support rocker arms 701 are uniformly arranged around the outer side of the travel support frame 7 in a circumferential manner, a support rotating shaft 702 is arranged at the inner end of the support rocker arms 701, the support rocker arms 701 are rotatably connected with the travel support frame 7 through the support rotating shaft 702, the outer end of the supporting rocker arm 701 is rotatably connected and provided with a supporting roller 703, the middle of the supporting rocker arm 701 is provided with a supporting spring 704, the device can drag the whole device to travel in a petroleum pipeline through a driving traveling wheel 104 on a horizontal traveling frame 103, the driving traveling wheel 104 rotates through the driving of an in-wheel motor 105, so that the device moves to a position to be detected, the horizontal traveling frame 103 is in sliding connection with a central connecting seat 1 through a sliding embedded groove 101, the horizontal traveling frame 103 slides along the sliding embedded groove 101 to adjust the whole diameter, the whole device is convenient for adapting to petroleum pipelines with different sizes, the traveling spring 102 arranged at the bottom of the horizontal traveling frame 103 can push the horizontal traveling frame 103 to enable the driving traveling wheel 104 to be in close contact with the inner wall of the pipeline to avoid skidding, meanwhile, the traveling supporting frames 7 are also arranged on the front side and the rear side of the device, the support frame 7 of marcing can assist in supporting the front and back both sides of device through a plurality of support rocking arms 701 and the backing roller 703 that the outside encircleed the setting to improve the stability that the device marched, support rocking arm 701 can follow support pivot 702 swing simultaneously, with adjust the petroleum pipeline of whole diameter adaptation not unidimensional, the holistic suitability of device is stronger.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, the middle of the front end and the rear end of the central connecting seat 1 is provided with a connecting sliding sleeve 2, the horizontal connecting rod 3 is nested and slidingly arranged at the inner side of the connecting sliding sleeve 2, the middle of the connecting sliding sleeve 2 is provided with an adjusting gear 201, the middle of the horizontal connecting rod 3 is provided with an adjusting rack 301, the adjusting rack 301 is meshed with the adjusting gear 201, the shaft end of the adjusting gear 201 is provided with an adjusting motor 202, the device blocks the inflation of two blocking air bags 5 arranged on the horizontal connecting rod 3 on the front side and the rear side of the central connecting seat 1 through a section of petroleum pipeline to form a closed detection environment, the blocking air bags 5 are positioned on the horizontal connecting rod 3, the horizontal connecting rod 3 is slidingly connected with the central connecting seat 1 through the connecting sliding sleeve 2, the adjusting motor 202 can drag the horizontal connecting rod 3 along the connecting sliding sleeve 2 through the adjusting gear 201 and the adjusting rack 301, to drive the synchronous removal of jam gasbag 5, thereby can adjust the holistic length of device and the interval of both sides jam gasbag 5 around, thereby can carry out the jam detection to the one end petroleum pipeline of required length according to the actual detection demand, can increase the interval of jam gasbag 5 when needs detection on a large scale in order to improve the length that detects the petroleum pipeline, and when needs accurate detection judge the leakage point, then can reduce the interval of jam gasbag 5 in order to accurately detect the petroleum pipeline that corresponds a minor segment, it is more nimble convenient during the use, advance support frame 7 also fixed connection on horizontal connecting rod 3 simultaneously, thereby can adjust the holistic length of device, so that shorten the holistic length of device when the device marches, be convenient for through the pipeline bending department, be favorable to improving the trafficability of device.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, the outer side of the connecting sliding sleeve 2 is provided with a connecting rotating shaft 203, the axial center line of the connecting sliding sleeve 2 is mutually perpendicular to the axial center line of the connecting rotating shaft 203, the outer side of the connecting rotating shaft 203 is provided with a rotating connecting sleeve 204, the axial center line of the rotating connecting sleeve 204 is mutually perpendicular to the axial center line of the connecting rotating shaft 203, the outer side of the rotating connecting sleeve 204 is provided with a rotating gear 205 in a surrounding manner, the outer side of the rotating gear 205 is meshed with a rotating gear 206, the shaft end of the rotating gear 206 is provided with a rotating motor 207, the device can integrally travel in a petroleum pipeline through a driving traveling wheel 104 on the horizontal traveling frame 103, and the traveling frame 7 is fixedly connected to the horizontal connecting rod 3 through the front side and the rear side of the supporting rocker arms 701 and the supporting rollers 703 which are circumferentially arranged on the outer side of the traveling frame 7, the horizontal connecting rod 3 can slide and adjust the integral length of the device through the connecting sliding sleeve 2 and the center connecting seat 1, meanwhile, the connecting sliding sleeve 2 can swing in a certain amplitude through the connecting shaft 203, and meanwhile, the connecting sleeve 203 can rotate and the rotating shaft 206 can be connected with the rotating shaft through the rotating shaft 205 through the rotating connecting sleeve 205 in a rotating device, and the rotating device can be twisted through the rotating device, and the rotating device can be adjusted through the rotating device, and the rotating device can be conveniently, and the rotating device can be rotated through the rotating device and the rotating device can be adjusted through the rotating device and the rotating device.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, preferably, one side of the central connecting seat 1, which is close to the linkage pressing plate 502, is rotatably connected with a plurality of horizontal screws 503, the horizontal screws 503 and the horizontal connecting rod 3 are mutually parallel, a plurality of guide sliding sleeves 401 are arranged in the middle of the fixed adjusting frame 4, the guide sliding sleeves 401 and the horizontal screws 503 are mutually corresponding, the horizontal screws 503 are in sliding connection with the fixed adjusting frame 4 through the guide sliding sleeves 401, a screw sleeve gear 403 is arranged on the outer side of the adjusting screw sleeve 402, a pressing gear 404 is arranged on the outer side of the screw sleeve gear 403 in a meshed manner, a pressing motor 405 is arranged on the shaft end of the pressing gear 404, the device is inflated through the blocking air bags 5 to block petroleum pipelines, blocking air bags 5 are arranged on the front side and the rear side of the central connecting seat 1, a closed detection environment can be formed through blocking of the two blocking air bags 5, the pressing motor 405 can drive the adjusting screw sleeve 402 to rotate through the pressing gear 404 and the screw sleeve gear 403 so as to drive the horizontal screw 503 to slide along the guiding sliding sleeve 401 and drive the linkage pressing plate 502 to translate, the blocking air bag 5 is pushed by the linkage pressing plate 502, the blocking air bag 5 is clamped between the limiting baffle 302 and the linkage pressing plate 502, the blocking air bag 5 is further compressed by extrusion, the blocking petroleum pipeline is more tightly blocked by the blocking air bag 5, so as to avoid leakage, the blocking compactness and speed can be improved, the detection accuracy and efficiency are improved, meanwhile, when the detection of the work blocking air bag 5 is completed and the air release is finished, the air release speed can be improved through the extrusion of the linkage pressing plate 502, the blocking air bag 5 can be contracted and restored more quickly, meanwhile, a certain amount of air can be filled into the blocking air bag 5, the blocking air bag 5 is extruded by the pushing of the linkage pressing plate 502, the blocking air bag 5 is deformed to block the pipeline, or the blocking air bag 5 is reversely moved to restore the shape, compared with the whole air inflation blocking, the blocking air bag is faster in whole adjustment, the quick detection is convenient, and the continuous detection efficiency is improved.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, preferably, one side of the travelling support frame 7 far away from the central connecting seat 1 is rotationally connected and is provided with the connection carousel 8, the centre of the connection carousel 8 is circumference form evenly around being provided with a plurality of telescopic sleeves 801, the middle nested slip of telescopic sleeves 801 is provided with telescopic connecting rod 802, the centre of telescopic connecting rod 802 is provided with telescopic spring 803, the outer end fixed connection of telescopic connecting rod 802 is provided with cleaning scraper blade 804, the outside of connection carousel 8 is encircled and is provided with carousel ring gear 805, the inboard meshing of carousel ring gear 805 is provided with cleaning gear 806, the axle head connection of cleaning gear 806 is provided with cleaning motor 807, the device wholly advances to the position that needs to detect along petroleum pipeline inside, then constitute a confined detection environment through the jam of two jam gasbags 5 and detect the work, and the front and back both ends of device still are provided with the clearance structure that comprises connection carousel 8, cleaning motor 807 can drive and connect 8 outside a plurality of connecting rods 802 through cleaning gear and carousel 805 rotation, and further drive the inside of connection carousel 8 rotation 802, the inside is favorable to seal the inside diameter of the flexible device is not to be favorable to the inside the flexible device of the flexible device that the inside is sealed and the flexible device is not polluted by the inside the sealing device is sealed by the inside the sealing device that has the diameter of the sealing device to seal the flexible device to the inside the flexible device to be sealed by the inside the flexible device.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, preferably, the outside of the travelling support frame 7 is provided with an annular gas pipe 705 in a surrounding manner, the middle of the travelling support frame 7 is provided with an annular gas pipe 705 in a surrounding manner, one side of the annular gas pipe 705 far away from the central connecting seat 1 is provided with a plurality of air nozzle spray heads 706 in a circumferential shape uniformly in a surrounding manner, a fourth electromagnetic valve 605 is arranged between the annular gas pipe 705 and the storage gas tank 6, the annular gas pipe 705 is connected with the storage gas tank 6 through the fourth electromagnetic valve 605, an inflation gas pump 606 is connected with the outside of the storage gas tank 6, the outer end opening of the detection gas injection pipe 602 is positioned between the blocking gas tanks 5 on the front side and the rear side of the central connecting seat 1, the device drives the cleaning scraper 804 to clean the inside of the petroleum pipeline through the connecting turntable 8, the storage gas tank 6 can convey high-pressure gas to the annular gas through the fourth electromagnetic valve 605, and the air nozzle spray heads 706 are sprayed out through the air nozzle spray heads 706 so as to blow the sundries under cleaning the cleaning scraper blade towards the front side, the sundries are avoided, the subsequent collection device is also convenient, the subsequent cleaning is convenient, the blocking device is blocked, the blocking 5 and the air blocking device is detected, the high-up the size of the inflation gas can be carried out through the inflation gas pump 6, the inflation gas pump 6 is further is connected with the inflation gas pump 6, and the inflation gas pump 6 is further is connected with the inflation gas pump 6.
When in use, corresponding pipelines of the device are connected at first, the corresponding connecting wires are required to be connected when the device runs so as to provide power and control for the device, then when in detection, the whole device is placed into the petroleum pipeline through a pipeline temporary interface, the driving traveling wheel 104 is driven to rotate through the driving of the hub motor 105 so as to drive the whole device to travel in the petroleum pipeline, the cleaning motor 807 drives the connecting turntable 8 to rotate through the cleaning gear 806 and the turntable gear ring 805 while the device moves, thereby driving the plurality of telescopic connecting rods 802 and the cleaning scraping plates 804 outside the connecting turntable 8 to rotate so as to clean the interior of the petroleum pipeline, avoiding corrosive substances and accumulated substances inside the petroleum pipeline from affecting the traveling of the device and the sealing performance of the blocking air bag 5, and meanwhile, the gas storage tank 6 conveys high-pressure gas to the annular gas pipe 705 through the fourth electromagnetic valve 605, and the cleaning scraper 804 is blown out by the nozzle 706 to blow sundries cleaned by the cleaning scraper 804 to the front side, so as to avoid the sundries from blocking the device, the device stops moving after moving to the position to be detected, the adjusting motor 202 pulls the horizontal connecting rod 3 to slide along the connecting sliding sleeve 2 through the adjusting gear 201 and the adjusting rack 301 so as to drive the blocking air bag 5 to synchronously move, the spacing between the blocking air bag 5 on the front side and the rear side of the whole device is adjusted according to the actual detection requirement, the third electromagnetic valve 603 is opened after the adjustment is completed, the air storage tank 6 is filled with air into the blocking air bag 5 through the air filling hose 604, the blocking air bag 5 can naturally expand to block petroleum pipelines after being filled with air, meanwhile, the adjusting screw sleeve 402 can be driven to rotate by the pressing motor 405 through the pressing gear 404 and the screw sleeve gear 403 so as to drive the linkage pressing plate 502 to translate so as to push the blocking air bag 5 through the linkage pressing plate 502, the blocking air bag 5 is clamped between the limit baffle 302 and the linkage pressing plate 502, the blocking air bag 5 is further compressed through extrusion, the blocking air bag 5 is tightly blocked on a petroleum pipeline to avoid leakage, a closed detection environment is formed by blocking the blocking air bag 5 on the front side and the rear side, then the second electromagnetic valve 601 is opened, the second electromagnetic valve 601, the third electromagnetic valve 603, the fourth electromagnetic valve 605 and the first electromagnetic valve 504 are of the same structure, the elastic valve core is controlled to move through the attraction of the electrified magnetic force of the electromagnet in the valve body to open or close the valve, the air storage tank 6 is inflated into the closed detection environment through the detection air injection pipe 602 after the second electromagnetic valve 601 is opened, so that the internal air pressure is increased to perform detection work, the air pressure is detected through the air pressure detector 106 arranged in the middle of the central connecting seat 1, if the air pressure is increased continuously, the petroleum pipeline of a required preset value can be completely damaged, and if the air pressure can not reach the preset value, the leakage point exists, the detection of the sealing of the petroleum pipeline is completed, and the corresponding broken position of the petroleum pipeline is found.
The application method of the petroleum pipeline tightness internal detection device comprises the following steps:
the device is nested to be installed to the petroleum pipeline when detecting, travel wheel 104 draw gear wholly advances in the petroleum pipeline through the drive on the horizontal frame 103 that marches, in order to remove the position that needs to detect, third solenoid valve 603 opens when detecting, store the gas pitcher 6 and fill gas in to the jam gasbag 5 through inflating hose 604, it just expands naturally after the jam gasbag 5 is inflated and is blocked the petroleum pipeline, simultaneously through rotating adjusting screw sleeve 402 drive horizontal screw 503 and remove, and then drive linkage clamp plate 502 translation, promote the jam gasbag 5 through linkage clamp plate 502, make jam gasbag 5 centre gripping between limit baffle 302 and linkage clamp plate 502, further compress jam gasbag 5 through the extrusion, make the jam petroleum pipeline that jam gasbag 5 is inseparabler, and both sides all are provided with jam gasbag 5 around the center connecting seat 1, can constitute a confined detection environment through the jam of two jam gasbags 5, then open second solenoid valve 601, store gas pitcher 6 and inflate this confined detection environment through detecting gas filling pipe 602, and detect the atmospheric pressure through the atmospheric pressure gauge 106 that the centre setting up of center connecting seat 1, if atmospheric pressure constantly increases and reaches required predetermined value, this section petroleum pipeline, if the atmospheric pressure is just can't reach the intact leak-free section.
According to the petroleum pipeline tightness internal detection device provided by the invention, the petroleum pipeline tightness internal detection device can be nested and installed in the petroleum pipeline during detection, the device can be integrally moved to a position required to be detected by moving the device along the petroleum pipeline through the driving traveling wheels 104 in the horizontal traveling frame 103 outside the central connecting seat 1, the blocking air bags 5 are arranged on the front side and the rear side of the central connecting seat 1, when the petroleum pipeline tightness internal detection device is used for detection, the blocking air bags 5 are inflated to block the petroleum pipeline, a closed detection environment is formed by blocking the two blocking air bags 5, then the closed detection environment can be inflated, the internal air pressure is increased for detection, and if the air pressure cannot reach a preset value, the petroleum pipeline has a leakage point, the petroleum pipeline tightness can be detected, so that the rupture position of the petroleum pipeline can be found correspondingly, and as the device can travel along the pipeline, the blocking air bags 5 form a closed detection environment, the detection operation can be performed on any section of the petroleum pipeline conveniently, and the detection operation is more flexible and convenient.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as above, which are not provided in detail for the sake of brevity.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an inside detection device of petroleum pipeline leakproofness, including center connecting seat (1), both sides all connect around center connecting seat (1) are provided with horizontal connecting rod (3), its characterized in that still includes:
the horizontal travelling frames (103) are arranged on the outer side of the central connecting seat (1), the plurality of horizontal travelling frames (103) are uniformly arranged around the central connecting seat (1) in a circumferential shape, and driving travelling wheels (104) are arranged in the middle of the horizontal travelling frames (103);
the limiting baffle (302) is fixedly arranged at one end, far away from the central connecting seat (1), of the horizontal connecting rod (3), a blocking air bag (5) is arranged at one side, close to the central connecting seat (1), of the limiting baffle (302), a central sliding sleeve (501) is arranged at the center of the blocking air bag (5), a first electromagnetic valve (504) is arranged in the middle of the blocking air bag (5), and the blocking air bag (5) is connected with the horizontal connecting rod (3) in a sliding mode through the central sliding sleeve (501);
the linkage pressing plate (502) is fixedly connected to one side, close to the central connecting seat (1), of the blocking air bag (5), a horizontal screw rod (503) is rotatably connected to one side, close to the central connecting seat (1), of the linkage pressing plate (502), an adjusting screw sleeve (402) is nested and arranged on the outer side of the horizontal screw rod (503), a fixed adjusting frame (4) is rotatably connected to the outer side of the adjusting screw sleeve (402), and the fixed adjusting frame (4) is fixedly connected to the outer side of the horizontal connecting rod (3);
the air storage tank (6) is fixedly connected to one side, far away from the central connecting seat (1), of the limiting baffle plate (302), a second electromagnetic valve (601) is arranged in the middle of the air storage tank (6), a detection air injection pipe (602) is connected and arranged on the outer side of the second electromagnetic valve (601), an inflation hose (604) is connected and arranged between the air storage tank (6) and the blocking air bag (5), and a third electromagnetic valve (603) is arranged in the middle of the inflation hose (604);
an air pressure detector (106) is arranged in the middle of the central connecting seat (1);
the novel connecting seat is characterized in that connecting sliding sleeves (2) are arranged in the middle of the front end and the rear end of the central connecting seat (1), the horizontal connecting rods (3) are arranged on the inner sides of the connecting sliding sleeves (2) in a nested sliding mode, adjusting gears (201) are arranged in the middle of the connecting sliding sleeves (2), adjusting racks (301) are arranged in the middle of the horizontal connecting rods (3), the adjusting racks (301) are meshed with the adjusting gears (201), and adjusting motors (202) are arranged at the shaft ends of the adjusting gears (201);
the outer side of connecting sliding sleeve (2) is provided with and connects pivot (203), the axial central line of connecting sliding sleeve (2) with the axial central line mutually perpendicular of connecting pivot (203), the outside of connecting pivot (203) is provided with rotatory adapter sleeve (204), rotatory adapter sleeve (204) with mutually rotate between center connecting seat (1) and be connected, the axial central line of rotatory adapter sleeve (204) with the axial central line mutually perpendicular of connecting pivot (203), the outside of rotatory adapter sleeve (204) is encircleed and is provided with rotatory ring gear (205), the outside meshing of rotatory ring gear (205) is provided with rotary gear (206), the axle head of rotary gear (206) is provided with rotating electrical machines (207).
2. The petroleum pipeline tightness internal detection device according to claim 1, wherein a plurality of sliding embedded grooves (101) are formed in the outer side of the central connection seat (1) in a surrounding mode, the horizontal traveling frame (103) is embedded in the inner side of the sliding embedded grooves (101), the horizontal traveling frame (103) is in sliding connection with the central connection seat (1) through the sliding embedded grooves (101), traveling springs (102) are arranged at the bottom of the horizontal traveling frame (103), a hub motor (105) is arranged in the middle of the driving traveling wheel (104), and the driving traveling wheel (104) is connected with the horizontal traveling frame (103) through the hub motor (105).
3. The petroleum pipeline tightness internal detection device according to claim 1, wherein a traveling support frame (7) is arranged on the outer side of the storage tank (6) in a surrounding mode, a plurality of supporting rocker arms (701) are uniformly arranged on the outer side of the traveling support frame (7) in a surrounding mode in a circumferential mode, supporting rotating shafts (702) are arranged at the inner ends of the supporting rocker arms (701), the supporting rocker arms (701) are rotatably connected with the traveling support frame (7) through the supporting rotating shafts (702), supporting rollers (703) are rotatably connected to the outer ends of the supporting rocker arms (701), and supporting springs (704) are arranged in the middle of the supporting rocker arms (701).
4. The petroleum pipeline tightness internal detection device according to claim 1, wherein a plurality of horizontal screws (503) are rotatably connected and arranged on one side, close to the central connecting seat (1), of the linkage pressing plate (502), the horizontal screws (503) are arranged in parallel with each other between the horizontal connecting rods (3), a plurality of guide sliding sleeves (401) are arranged in the middle of the fixed adjusting frame (4), the guide sliding sleeves (401) are arranged in a mutually corresponding mode with the horizontal screws (503), the horizontal screws (503) are in sliding connection with the fixed adjusting frame (4) through the guide sliding sleeves (401), a screw sleeve gear (403) is arranged on the outer side of the adjusting screw sleeve (402), a pressing gear (404) is meshed and arranged on the outer side of the screw sleeve gear (403), and a pressing motor (405) is connected and arranged on the shaft end of the pressing gear (404).
5. The petroleum pipeline tightness internal detection device according to claim 3, wherein one side of the travelling support frame (7) far away from the central connecting seat (1) is rotationally connected and is provided with a connecting rotary table (8), the middle of the connecting rotary table (8) is uniformly and circumferentially surrounded and provided with a plurality of telescopic sleeves (801), the middle of the telescopic sleeves (801) is nested and slidingly provided with a telescopic connecting rod (802), the middle of the telescopic connecting rod (802) is provided with a telescopic spring (803), the outer end fixedly connected with of the telescopic connecting rod (802) is provided with a cleaning scraper blade (804), the outer side of the connecting rotary table (8) is circumferentially surrounded and provided with a rotary table gear ring (805), the inner side of the rotary table gear ring (805) is meshed and provided with a cleaning gear (806), and the shaft end connection of the cleaning gear (806) is provided with a cleaning motor (807).
6. A petroleum pipeline tightness internal detection device according to claim 3, wherein an annular gas pipe (705) is arranged around the outer side of the travelling support frame (7), an annular gas pipe (705) is arranged around the middle of the travelling support frame (7), a plurality of air nozzle nozzles (706) are uniformly arranged around one side, far away from the central connecting seat (1), of the annular gas pipe (705) in a circumferential shape, a fourth electromagnetic valve (605) is arranged between the annular gas pipe (705) and the storage gas tank (6), and the annular gas pipe (705) and the storage gas tank (6) are connected with each other through the fourth electromagnetic valve (605).
7. A petroleum pipeline tightness internal detection device according to claim 3, wherein an inflating air pump (606) is connected and arranged on the outer side of the storage air tank (6), and an outer end opening of the detection air injection pipe (602) is positioned between the blocking air bags (5) on the front side and the rear side of the central connecting seat (1).
8. Use of the petroleum pipeline tightness internal detection device according to any of claims 1-7, characterized in that it comprises the following steps:
the device is nested and installed inside a petroleum pipeline when in detection, a traction device integrally moves inside the petroleum pipeline through a driving traveling wheel (104) on a horizontal traveling frame (103) so as to move to a position where detection is needed, a third electromagnetic valve (603) is opened when in detection, a storage gas tank (6) is filled with gas into the blocking gas tank (5) through an inflation hose (604), the blocking gas tank (5) is naturally inflated to block the petroleum pipeline after being inflated, meanwhile, a horizontal screw (503) is driven to move through a rotary adjusting screw sleeve (402), a linkage pressing plate (502) is driven to translate, the blocking gas tank (5) is pushed by the linkage pressing plate (502), the blocking gas tank (5) is clamped between a limit baffle plate (302) and the linkage pressing plate (502), the blocking gas tank (5) is further compressed by extrusion, the blocking gas tank (5) is tightly blocked by the pressing, the front side and the rear side of a center connecting seat (1) are both provided with the blocking gas tanks (5), a closed detection environment can be formed through the blocking of the two blocking gas tanks (5), then the second electromagnetic valve (601) is opened, the storage gas tank (6) is connected to the inside the petroleum pipeline through the detection gas injection pipe (602) through the detection, if the air pressure inside the detection pipeline (602) is not completely detected, the air pressure gauge is not completely detected, and if the air pressure gauge is completely detected, and the air pressure gauge is not completely reaches the middle detection section (106), if the air pressure cannot reach the preset value, a leakage point exists in the section of petroleum pipeline.
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| CN116428528B (en) * | 2023-06-14 | 2023-08-15 | 河北邢襄热力集团有限公司 | Heating pipeline damage detection device |
| CN116642959B (en) * | 2023-07-26 | 2023-09-26 | 山东泰阳特种设备检测科技有限公司 | Pipeline electromagnetic ultrasonic detection device |
| CN117287645B (en) * | 2023-09-25 | 2024-05-10 | 南天管道检测技术河北有限公司 | Detection equipment for petroleum pipeline |
| CN117470458B (en) * | 2023-12-28 | 2024-03-29 | 卡耐夫集团(山西)管道***有限公司 | Pipe fitting pressurization detection device and application method thereof |
| CN117870992B (en) * | 2024-03-11 | 2024-05-17 | 中国水电基础局有限公司 | Pipeline tightness detection assembly and detection method for water pipeline construction |
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| JP3204588B2 (en) * | 1994-06-29 | 2001-09-04 | 東京瓦斯株式会社 | Sealing device for airtight inspection |
| CN2344433Y (en) * | 1998-09-25 | 1999-10-20 | 尹学军 | Air bag for blocking leakage |
| AU2002951189A0 (en) * | 2002-09-04 | 2002-09-19 | Terence Dominic Gillam | An inflatable pipe test probe |
| US11662050B2 (en) * | 2018-04-02 | 2023-05-30 | Shuyong Paul Du | Self-adaptive inline inspection vehicle for pipelines |
| CN110206961B (en) * | 2019-07-08 | 2021-01-15 | 中北大学 | Plugging system in pipeline robot |
| CN212004780U (en) * | 2020-01-03 | 2020-11-24 | 中国石油天然气股份有限公司西南油气田分公司天然气净化总厂 | Online maintenance device for natural gas pipeline |
| CN211317655U (en) * | 2020-01-16 | 2020-08-21 | 陕西陕煤韩城矿业有限公司 | Water ring pump gas tightness detection device |
| CN214321203U (en) * | 2020-11-04 | 2021-10-01 | 陈志龙 | Natural gas conveying pipeline cleaning device |
| CN215951133U (en) * | 2021-05-10 | 2022-03-04 | 伍伟伦 | Natural gas line leakage detection device |
| CN215573635U (en) * | 2021-07-28 | 2022-01-18 | 山东义矩检验检测技术有限公司 | Nondestructive testing device for inner wall of pipe |
| CN113970414A (en) * | 2021-10-27 | 2022-01-25 | 上海派普诺管道检测科技发展有限公司 | Underground pipeline leakage point detection device and detection method thereof |
| CN217584096U (en) * | 2022-05-06 | 2022-10-14 | 森诺科技有限公司 | Airtightness detection device for long-distance pipeline |
| CN115162487A (en) * | 2022-08-09 | 2022-10-11 | 耿鹏彬 | Self-propelled municipal drainage pipeline maintenance device and use method thereof |
| CN115405802B (en) * | 2022-09-01 | 2024-05-24 | 中国电建集团贵阳勘测设计研究院有限公司 | CIPP lined pipe air tightness detection device and detection method thereof |
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