CN115949833A - Internal detection device for petroleum pipeline sealing performance and use method thereof - Google Patents
Internal detection device for petroleum pipeline sealing performance and use method thereof Download PDFInfo
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- CN115949833A CN115949833A CN202310240484.6A CN202310240484A CN115949833A CN 115949833 A CN115949833 A CN 115949833A CN 202310240484 A CN202310240484 A CN 202310240484A CN 115949833 A CN115949833 A CN 115949833A
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Abstract
The invention relates to the technical field of petroleum pipeline detection, in particular to a petroleum pipeline tightness internal detection device and a use method thereof, wherein the petroleum pipeline tightness internal detection device comprises a central connecting seat, horizontal connecting rods are respectively connected and arranged at the front side and the rear side of the central connecting seat, and the petroleum pipeline tightness internal detection device also comprises: the horizontal advancing frames are arranged on the outer side of the central connecting seat, the plurality of horizontal advancing frames are uniformly arranged around the central connecting seat in a circumferential mode, and a driving advancing wheel is arranged in the middle of each horizontal advancing frame. The petroleum pipeline sealing device can automatically move to a position to be detected by driving the traveling wheel, block the inside of a petroleum pipeline by inflating and expanding the blocking air bags, form a closed detection environment by blocking the two blocking air bags, then inflate the inside of the closed detection environment, improve the internal air pressure to carry out detection work, detect the air pressure by the air pressure detector arranged in the middle of the central connecting seat to detect the sealing performance of the petroleum pipeline, and is more flexible and convenient to detect.
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 using method thereof.
Background
Petroleum pipelines are generally used for conveying petroleum and petroleum products, corrosion of the pipelines and how to prevent corrosion are one of important links of pipeline maintenance, and in the using process, the petroleum pipelines can be damaged due to corrosion and accidents, so that the oil conveying pressure is reduced, and meanwhile, the petroleum pipelines can be recovered to leak, so when leakage occurs or daily maintenance is carried out, the tightness of the petroleum pipelines needs to be detected.
The patent with the application number of CN201821880952.7 discloses a petroleum pipeline tightness detection device, and belongs to the technical field of petroleum pipe detection, the petroleum pipeline tightness detection device comprises a first connecting pipe and a second connecting pipe which are respectively connected to two axial ends of a petroleum pipeline, the first connecting pipe is connected with a fan, and the second connecting pipe is connected with a baffle; also comprises a detection component and a connecting component, the connecting component is rotationally connected with the fan, the oil pipeline can rotate relative to the fan by taking the axis of the oil pipeline as a shaft; the detection assembly comprises a sliding rod, one end of the sliding rod is connected to the connecting assembly in a sliding mode, and the sliding rod can slide relative to the connecting assembly along the length direction of the petroleum pipeline; one end of the slide bar, which is far away from the connecting component, is fixedly connected with a support ring sleeved on the outer wall of the petroleum pipeline, and the support ring can rotate around the petroleum pipeline and slide along the petroleum pipeline; the side of the sliding rod facing the petroleum pipeline is provided with the ribbon, the sealing performance of the petroleum pipeline can be visually judged by observing the drifting condition of the ribbon, and the fracture part of the petroleum pipeline is found out.
However, the petroleum pipeline needs to be moved and installed on the equipment for detection, the sealing performance of the installed petroleum pipeline cannot be detected, and a specific damaged position on the section of the installed petroleum pipeline is difficult to find.
Disclosure of Invention
In view of the above, the present invention is directed to an internal petroleum pipeline tightness detection device and a method for using the same, so as to solve the problem that the existing petroleum pipeline tightness detection device cannot detect the tightness of an installed petroleum pipeline.
Based on the above purpose, the invention provides an internal detection device for petroleum pipeline tightness, which comprises a central connecting seat, horizontal connecting rods and a detection device, wherein the front side and the rear side of the central connecting seat are respectively provided with a horizontal connecting rod in a connecting way, and the internal detection device further comprises:
the horizontal advancing frames are arranged on the outer side of the central connecting seat, a plurality of horizontal advancing frames are uniformly arranged around the central connecting seat in a circumferential shape, and a driving advancing wheel is arranged in the middle of each horizontal advancing frame;
the limiting baffle is fixedly arranged at one end, far away from the central connecting seat, of the horizontal connecting rod, a blocking air bag is arranged on one side, close to the central connecting seat, of the limiting baffle, a central sliding sleeve is arranged at the center of the blocking air bag, a first electromagnetic valve is arranged in the middle of the blocking air bag, and the blocking air bag is in sliding connection with the horizontal connecting rod 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 threaded sleeve is nested on the outer side of the horizontal screw rod, a fixing adjusting frame is rotatably connected to the outer side of the adjusting threaded sleeve, and the fixing adjusting frame is fixedly connected to the outer side of the horizontal connecting rod;
the storage gas tank is fixedly connected and arranged on one side, far away from the central connecting seat, of the limiting baffle, a second electromagnetic valve is arranged in the middle of the storage gas tank, a detection gas injection pipe is connected and arranged on the outer side of the second electromagnetic valve, an inflation hose is connected and arranged between the storage gas tank and the blocking airbag, and a third electromagnetic valve is arranged in the middle of the inflation hose;
and an air pressure detector is arranged in the middle of the central connecting seat.
Furthermore, a plurality of sliding embedded grooves are arranged around the outer side of the central connecting seat, the horizontal advancing frame is embedded inside the sliding embedded grooves and is connected with the central connecting seat in a sliding mode through the sliding embedded grooves, an advancing spring is arranged at the bottom of the horizontal advancing frame, a hub motor is arranged in the middle of the driving advancing wheel, and the driving advancing wheel is connected with the horizontal advancing frame through the hub motor.
Further, the outside of holding vessel is provided with around advancing the support frame, the outside of advancing the support frame is that the circumference form evenly encircles and is provided with a plurality of support rockers, the inner of supporting the rocker is provided with the support pivot, support the rocker pass through the support pivot with the support frame of advancing rotates and connects, the outer end of supporting the rocker rotates to be connected and is provided with supporting roller, the centre of supporting the rocker is provided with supporting spring.
Furthermore, all be provided with the connecting sliding sleeve in the middle of the front and back both ends of center connecting seat, the nested slip of horizontal connecting rod set up in the inboard of connecting sliding sleeve, the centre of connecting sliding sleeve is provided with adjusting gear, the centre of horizontal connecting rod is provided with the regulation rack, the regulation rack with adjusting gear intermeshing, the axle head of adjusting gear is provided with adjusting motor.
Further, the outside of connecting the sliding sleeve is provided with the connection pivot, the axial direction line of connecting the sliding sleeve with the axial direction line mutually perpendicular of connecting the pivot, the outside of connecting the pivot is provided with rotatory adapter sleeve, rotatory adapter sleeve with mutual rotation is connected between the central connecting seat, the axial direction line of rotatory adapter sleeve with the axial direction line mutually perpendicular of connecting the pivot, the outside ring of rotatory adapter sleeve is provided with rotatory ring gear, the outside meshing of rotatory ring gear is provided with rotary gear, rotary gear's axle head is provided with the rotating electrical machines.
Furthermore, one side that the linkage clamp plate is close to the central connecting seat rotate to connect and be provided with a plurality of horizontal screw rods, horizontal screw rod with mutual parallel arrangement between the horizontal connecting rod, the centre of fixed alignment jig is provided with a plurality of direction sliding sleeves, the direction sliding sleeve with horizontal screw rod corresponds the setting each other, horizontal screw rod pass through the direction sliding sleeve with fixed alignment jig sliding connection, the outside of adjusting the swivel nut is provided with the swivel nut gear, the outside meshing of swivel nut gear is provided with presses the gear, the axle head connection that presses the gear is provided with presses the motor.
Further, the support frame of marcing is kept away from one side of center connecting seat is rotated to connect and is provided with the connection carousel, the centre of connecting the carousel is that the circumference form evenly encircles and is provided with a plurality of telescope tube, the nested slip in centre of telescope tube is provided with telescopic link, telescopic link's centre is provided with expanding spring, telescopic link's outer end fixed connection is provided with clean scraper blade, the outside of connecting the carousel encircles and is provided with the carousel ring gear, the inboard meshing of carousel ring gear is provided with clean gear, the axle head connection of clean gear is provided with clean motor.
Further, the outside of support frame of marcing is surrounded and is provided with annular gas-supply pipe, the centre of the support frame of marcing is surrounded and is provided with annular gas-supply pipe, annular gas-supply pipe is kept away from one side of central connecting seat is that the circumference form evenly encircles and is provided with a plurality of air cock shower nozzles, annular gas-supply pipe with be provided with the fourth solenoid valve between the storage gas pitcher, annular gas-supply pipe with pass through between the storage gas pitcher fourth solenoid valve interconnect.
Furthermore, the outside of storage gas pitcher is connected and is provided with and aerifys the air pump, the outer end opening that detects the gas injection pipe is located between the jam gasbag of both sides around the central connecting seat.
The use method of the internal detection device for the sealing performance of the petroleum pipeline comprises the following steps:
the device is nested and installed inside a petroleum pipeline when in detection, the driving travelling wheel traction device on the horizontal travelling frame integrally travels inside the petroleum pipeline to move to a position to be detected, a third electromagnetic valve is opened when in detection, a storage gas tank charges gas into a blocking gas bag through an inflation hose, the blocking gas bag naturally expands after being inflated to block the petroleum pipeline, a horizontal screw rod is driven to move through rotating an adjusting screw sleeve, a linkage pressing plate is driven to move horizontally, the blocking gas bag is pushed through the linkage pressing plate to be clamped between a limiting baffle and the linkage pressing plate, the blocking gas bag is further compressed through extrusion, the blocking gas bag is more compact to block the petroleum pipeline, the blocking gas bags are arranged on the front side and the rear side of a central connecting seat, a closed detection environment can be formed through the blocking of the two blocking gas bags, then a second electromagnetic valve is opened, the storage gas tank inflates the inside the closed detection environment through a detection gas injection pipe, a gas pressure detector arranged in the middle of the central connecting seat is used for detecting gas pressure, if the gas pressure continuously increases to a required preset value, the petroleum pipeline in the section can not be damaged, and a leakage point can not exist in the petroleum pipeline.
The invention has the beneficial effects that: from the above, the internal petroleum pipeline tightness detection device provided by the invention can be nested and installed inside a petroleum pipeline during detection, the device can integrally advance along the inside of the petroleum pipeline through the driving advancing wheel in the horizontal advancing frame outside the central connecting seat so as to be automatically moved to a position to be detected, the front side and the rear side of the central connecting seat are respectively provided with the blocking air bags, the blocking air bags are inflated and expanded to block the inside of the petroleum pipeline during detection, a closed detection environment is formed through the blocking of the two blocking air bags, then the inside of the closed detection environment can be inflated, the internal air pressure is increased to carry out detection work, the air pressure is detected through the air pressure detector arranged in the middle of the central connecting seat, if the air pressure cannot reach a preset value, a leakage point exists in the petroleum pipeline, the detection on the petroleum pipeline tightness can be completed, a corresponding crack of the petroleum pipeline can be found, and the device can advance along the inside of the pipeline and form the closed detection environment through the blocking air bags, so that the detection work on any section of the petroleum pipeline is convenient and the detection work is more flexible and convenient.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a walking state according to an embodiment of the present invention;
FIG. 2 is a schematic front view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a center connecting seat according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the connecting sliding sleeve according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a horizontal connecting rod according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a fixing and adjusting bracket according to an embodiment of the present invention;
FIG. 7 is a schematic view of an occluding balloon of an embodiment of the present invention;
FIG. 8 is a schematic structural view of a traveling support according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a storage gas tank according to an embodiment of the invention;
fig. 10 is a schematic structural diagram of a connection turntable according to an embodiment of the present invention.
Labeled as:
1. a central connecting seat; 101. a slide fitting groove; 102. a travel spring; 103. a horizontal traveling frame; 104. driving a travel wheel; 105. a hub motor; 106. a barometric pressure detector; 2. connecting a sliding sleeve; 201. an adjusting gear; 202. adjusting the motor; 203. connecting the rotating shaft; 204. rotating the connecting sleeve; 205. rotating the gear ring; 206. a rotating 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 a threaded sleeve; 403. a threaded sleeve gear; 404. pressing the gear; 405. pressing the motor; 5. blocking the air bag; 501. a central sliding sleeve; 502. a linkage pressing plate; 503. a horizontal screw; 504. a first solenoid valve; 6. a storage tank; 601. a second solenoid valve; 602. detecting a gas injection pipe; 603. a third solenoid valve; 604. an inflation hose; 605. a fourth solenoid valve; 606. an inflation pump; 7. a traveling support frame; 701. a support rocker arm; 702. a support shaft; 703. supporting the rollers; 704. a support spring; 705. an annular gas delivery pipe; 706. an air nozzle spray head; 8. connecting the rotary table; 801. a telescopic sleeve; 802. a telescopic connecting rod; 803. a tension spring; 804. a cleaning blade; 805. a turntable gear ring; 806. cleaning the gear; 807. and cleaning the motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
It is to be noted that technical terms or scientific terms used herein should have the ordinary meaning as understood by those having ordinary skill in the art to which the present invention belongs, unless otherwise defined. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
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 petroleum pipeline tightness comprises a central connection base 1, wherein horizontal connection rods 3 are respectively connected to the front side and the rear side of the central connection base 1, and the internal detection device further comprises:
the horizontal advancing frames 103 are arranged on the outer side of the central connecting base 1, the plurality of horizontal advancing frames 103 are uniformly arranged around the central connecting base 1 in a circumferential shape, and the middle of each horizontal advancing frame 103 is provided with a driving advancing wheel 104;
the limiting baffle 302 is fixedly arranged at one end, far away from the central connecting seat 1, of the horizontal connecting rod 3, one side, close to the central connecting seat 1, of the limiting baffle 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 mode through the central sliding sleeve 501;
the linkage pressing plate 502 is fixedly connected and arranged on one side, close to the central connecting seat 1, of the blocking air bag 5, a horizontal screw 503 is rotatably connected and arranged on one side, close to the central connecting seat 1, of the linkage pressing plate 502, an adjusting screw sleeve 402 is nested on the outer side of the horizontal screw 503, a fixed adjusting frame 4 is rotatably connected and arranged on 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 gas storage tank 6 is fixedly connected and arranged on 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 gas storage tank 6, a detection gas 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 gas storage tank 6 and the blocking airbag 5, and a third electromagnetic valve 603 is arranged in the middle of the inflation hose 604;
the center of the center connecting seat 1 is provided with an air pressure detecting gauge 106.
In the embodiment, the device needs to be nested and installed inside a petroleum pipeline when detection is carried out, a plurality of horizontal traveling frames 103 arranged around the outer side of the central connecting seat 1 form a traveling structure, the device can be pulled to integrally travel inside the petroleum pipeline through driving traveling wheels 104 on the horizontal traveling frames 103 so as to move to a position needing detection, when detection is carried out, a third electromagnetic valve 603 is opened, a storage air tank 6 can fill air into a blocking air bag 5 through an air inflation hose 604, the blocking air bag 5 is made of a flexible material, the blocking air bag 5 can be naturally expanded to block the petroleum pipeline after being inflated, meanwhile, a horizontal screw 503 can be driven to move by rotating an adjusting screw sleeve 402 so as to drive a linkage pressing plate 502 to translate, so that the blocking air bag 5 is pushed through the linkage pressing plate 502, and the blocking air bag 5 is clamped between a limiting baffle plate 302 and the linkage pressing plate 502, the blocking air bags 5 are further compressed by extrusion, so that the blocking air bags 5 can more tightly block the petroleum pipeline 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 of the two blocking air bags 5, then the second electromagnetic valve 601 can be opened, the storage air tank 6 can be used for inflating the closed detection environment through the detection air injection pipe 602 to improve the internal air pressure for detection, the air pressure is detected through the air pressure detector 106 arranged in the middle of the central connecting seat 1, the petroleum pipeline can be intact when the air pressure is continuously increased to reach a required preset value, a leakage point exists when the air pressure cannot reach the preset value, the detection on the petroleum pipeline tightness can be completed, and a corresponding crack of the petroleum pipeline can be found out, because the device can be followed pipeline inside and advanced, and constitute confined detection environment through blockking up gasbag 5, thereby be convenient for detect operation to arbitrary one section pipeline, it is more nimble convenient when examining, and accomplish one section petroleum pipeline detection achievement back, first solenoid valve 504 can open and make and block up the inside gaseous natural release of gasbag 5, so that block up gasbag 5 natural shrinkage and resume, so that the device continues to advance next section pipeline and detects the work, release rate can be accelerated through linkage clamp plate 502's extrusion simultaneously, be favorable to resuming advancing more fast, 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 outside of the center connector base 1, a horizontal traveling rack 103 is engaged with the inner sides of the sliding engagement grooves 101, the horizontal traveling rack 103 is slidably connected to the center connector base 1 through the sliding engagement grooves 101, a traveling spring 102 is disposed at the bottom of the horizontal traveling rack 103, a hub motor 105 is disposed in the middle of a driving traveling wheel 104, the driving traveling wheel 104 is connected to the horizontal traveling rack 103 through the hub motor 105, a traveling support frame 7 is formed around the outside of the storage tank 6, a plurality of support rocker arms 701 are uniformly circumferentially provided around the outside of the traveling support frame 7, a support rotating shaft 702 is disposed at the inner end of each support rocker arm 701, the support rocker arms 701 are rotatably connected to the traveling support frame 7 through the support rotating shaft 702, support rollers 703 are rotatably connected to the support rocker arms 701, the middle of the supporting rocker arm 701 is provided with a supporting spring 704, the device can be pulled by a driving travelling wheel 104 on a horizontal travelling frame 103 to integrally travel in the petroleum pipeline, the driving travelling wheel 104 is driven to rotate by a hub motor 105, so that the device is moved to a position to be detected, the horizontal travelling frame 103 is in sliding connection with the central connecting seat 1 through a sliding embedding groove 101, so that the horizontal travelling frame 103 slides along the sliding embedding groove 101 to adjust the overall diameter, the petroleum pipeline with different sizes is convenient to adapt, the travelling spring 102 arranged at the bottom of the horizontal travelling frame 103 can push the horizontal travelling frame 103, so that the driving travelling wheel 104 is in close contact with the inner wall of the pipeline to avoid slipping, the front side and the rear side of the device are also provided with travelling supporting frames 7, the travelling supporting frames 7 can assist the front side and the rear side of the supporting device through a plurality of supporting rocker arms 701 and supporting rollers 703 which are arranged around the outer sides, the advancing stability of the device is improved, meanwhile, the supporting rocker arm 701 can swing along the supporting rotating shaft 702, the overall diameter of the device is adjusted to adapt to petroleum pipelines of different sizes, and the applicability of the whole device is stronger.
As shown in fig. 1, 2, 3, 4, 5 and 6, preferably, a connecting sliding sleeve 2 is disposed in the middle of the front end and the rear end of a central connecting seat 1, a horizontal connecting rod 3 is nested and slidably disposed inside the connecting sliding sleeve 2, an adjusting gear 201 is disposed in the middle of the connecting sliding sleeve 2, an adjusting rack 301 is disposed in the middle of the horizontal connecting rod 3, the adjusting rack 301 and the adjusting gear 201 are engaged with each other, an adjusting motor 202 is disposed at the shaft end of the adjusting gear 201, the device blocks a section of petroleum pipeline to form a closed detection environment by inflation and expansion of two blocking air bags 5 disposed on the horizontal connecting rods 3 on the front side and the rear side of the central connecting seat 1, the blocking air bags 5 are disposed on the horizontal connecting rod 3, the horizontal connecting rod 3 is slidably connected with the central connecting seat 1 by the connecting sliding sleeve 2, the adjusting motor 202 can pull the horizontal connecting rod 3 to slide along the connecting sliding sleeve 2 by the adjusting gear 201 and the adjusting rack 301, in order to drive and block up 5 synchronous motion of gasbag, thereby can the holistic length of adjusting device and the interval that gasbag 5 was blockked up to both sides around and, thereby can block up the detection to the one end petroleum pipeline of required length according to actual detection demand, can increase when needs detect on a large scale and block up 5 intervals in order to improve the length that detects petroleum pipeline, and when needing the accurate detection to judge the leakage point, then can reduce and block up 5 intervals in order to the petroleum pipeline of accurate detection correspondence segment, it is more nimble convenient during the use, the support frame 7 also fixed connection is on horizontal connecting rod 3 of marcing simultaneously, thereby can the holistic length of adjusting device, so that shorten the whole length of device when the device is marcing, be convenient for through pipeline bend, be favorable to improving the trafficability of device.
As shown in fig. 1, 2, 3, 4, 5 and 6, preferably, the connecting sliding sleeve 2 is provided with a connecting rotating shaft 203 at the outer side thereof, the axial center line of the connecting sliding sleeve 2 is perpendicular to the axial center line of the connecting rotating shaft 203, the connecting rotating shaft 203 is provided with a rotating connecting sleeve 204 at the outer side thereof, the rotating connecting sleeve 204 is rotatably connected with the central connecting base 1, the axial center line of the rotating connecting sleeve 204 is perpendicular to the axial center line of the connecting rotating shaft 203, a rotating gear ring 205 is provided around the outer side of the rotating connecting sleeve 204, a rotating gear 206 is engaged with the outer side of the rotating gear ring 205, the shaft end of the rotating gear 206 is provided with a rotating motor 207, the device can be pulled to integrally travel inside the petroleum pipeline by the driving travel wheel 104 on the horizontal travel frame 103, and through a plurality of support rocker arms 701 and the support rollers 703 that the support frame 7 outside of marcing encircles the setting with the front and back both sides of supplementary strutting arrangement, and the support frame 7 of marcing also fixed connection is on horizontal connecting rod 3, and horizontal connecting rod 3 can be through connecting the whole length of sliding adjustment device of sliding sleeve 2 and central connecting seat 1, connecting the sliding sleeve 2 simultaneously and can carrying out the rotation swing of certain range through connecting pivot 203, connecting pivot 203 and central connecting seat 1 through rotatory adapter sleeve 204 and rotating connection simultaneously, rotating electrical machines 207 can drive rotatory adapter sleeve 204 through rotatory gear 206 and rotatory ring gear 205 and rotate, with the angle of adjusting connection pivot 203, thereby adjust when being convenient for the device to march, make the device can carry out certain distortion in order to pass through the pipeline flexion, be favorable to improving the trafficability of device.
As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, preferably, a plurality of horizontal screws 503 are rotatably connected to one side of the central connecting seat 1 near the linkage pressing plate 502, the horizontal screws 503 and the horizontal connecting rods 3 are arranged in 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 arranged corresponding to each other, the horizontal screws 503 are slidably connected with the fixed adjusting frame 4 through the guide sliding sleeves 401, a screw gear 403 is arranged outside the adjusting screw sleeve 402, a pressing gear 404 is engaged with the outside of the screw gear 403, a pressing motor 405 is connected to the shaft end of the pressing gear 404, the device is inflated to block the petroleum pipeline by the blocking air bags 5, the blocking air bags 5 are arranged on both the front and rear sides of the central connecting seat 1, a closed detection environment can be formed by the blocking of the two blocking air bags 5, the pressing motor 405 can drive the adjusting screw 402 to rotate through the pressing gear 404 and the screw gear 403 to drive the horizontal screw 503 to move and slide along the guide sliding sleeve 401, further drive the linkage pressing plate 502 to move horizontally, push the blocking air bag 5 through the linkage pressing plate 502, clamp the blocking air bag 5 between the limit baffle 302 and the linkage pressing plate 502, further compress the blocking air bag 5 through extrusion, enable the blocking air bag 5 to more closely block the petroleum pipeline, avoid leakage, improve the tightness and speed of blocking, improve the detection accuracy and efficiency, and simultaneously improve the deflation speed through the extrusion of the linkage pressing plate 502 when the detection work is finished to deflate the blocking air bag 5, enable the blocking air bag 5 to shrink and recover faster, simultaneously enable the blocking air bag 5 to be filled with certain gas, push the blocking air bag 5 through the pushing of the linkage pressing plate 502, the blocking air bag 5 deforms to block a pipeline, or the blocking air bag 5 recovers the shape by reverse movement, and compared with the whole blocking adjustment by inflation and expansion, the rapid 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 traveling support frame 7 away from the central connecting seat 1 is rotatably connected with a connecting rotary disc 8, a plurality of telescopic sleeves 801 are uniformly and circumferentially arranged around the middle of the connecting rotary disc 8, telescopic connecting rods 802 are slidably arranged in the middle of the telescopic sleeves 801 in a nested manner, a telescopic spring 803 is arranged in the middle of the telescopic connecting rods 802, cleaning blades 804 are fixedly connected to the outer ends of the telescopic connecting rods 802, a rotary disc ring gear 805 is circumferentially arranged around the outer side of the connecting rotary disc 8, cleaning gears 806 are meshed with the inner sides of the rotary disc ring gear 805, cleaning motors 807 are connected to the shaft ends of the cleaning gears 806, the whole device travels to a position to be detected along the inside of a petroleum pipeline, then a closed detection environment is formed by the blockage of two blockage air bags 5 for detection work, cleaning structures formed by the connecting rotary discs 8 are further arranged at the front and rear ends of the device, the cleaning motors 807 can drive the connecting rotary discs 8 to rotate the connecting rods 802 through the cleaning gears 806 and the telescopic connecting rods 802 to drive the connecting rods to rotate, thereby further driving the telescopic connecting rods 802 to improve the sealing performance of the device, and the sealing performance of the device for detecting the corrosion of the integral telescopic sleeves 802, and improving the sealing performance of the device for the device, and the device for detecting the corrosion of the integral pipeline, and for the device.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, preferably, an annular gas pipe 705 is disposed around the outside of the traveling support frame 7, an annular gas pipe 705 is disposed around the middle of the traveling support frame 7, a plurality of gas nozzle sprayers 706 are circumferentially and uniformly disposed around one side of the annular gas pipe 705 away from the central connection base 1, a fourth electromagnetic valve 605 is disposed between the annular gas pipe 705 and the storage gas tank 6, the annular gas pipe 705 and the storage gas tank 6 are connected with each other through the fourth electromagnetic valve 605, an inflation pump 606 is connected to the outside of the storage gas tank 6, an outer end opening of the detection gas injection pipe 602 is located between the clogging gas bags 5 on the front and rear sides of the central connection base 1, the device drives the cleaning scraper 804 to rotate through the connection turntable 8 to clean the inside of the petroleum pipeline, the storage gas tank 6 can deliver high-pressure gas to the annular gas pipe 705 through the fourth electromagnetic valve 605, and the inflation pump 706 sprays out through the gas nozzle 706 to blow the cleaning scraper 804 to blow the cleaned debris toward the front side to avoid the debris collecting device, so as to facilitate the subsequent cleaning of the debris collecting device, while the debris is convenient for the subsequent cleaning, and the air tank, the air tank can also can be supplied to the storage gas tank 6, and the air can be supplied to the air stored, and the air can be supplied to the air tank 606, and the size of the storage gas tank 6, and the air tank is increased by the air pump 606.
When in use, corresponding pipelines of the device are firstly connected, the device is required to be connected with corresponding connecting cables when in operation 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 travelling wheel 104 is driven to rotate through the driving of the in-wheel motor 105, the traction device integrally travels in the petroleum pipeline, when the device moves, the cleaning motor 807 drives the connecting turntable 8 to rotate through the cleaning gear 806 and the turntable gear ring 805, and then drives the plurality of telescopic connecting rods 802 and the cleaning scraper 804 which are connected with the outer side of the turntable 8 to rotate so as to clean the inside of the petroleum pipeline, corrosive substances and accumulated substances in the petroleum pipeline are prevented from influencing the traveling of the device and blocking the sealing performance of the air bag 5, and simultaneously the storage air tank 6 conveys high-pressure air to the annular air conveying pipe 705 through the fourth electromagnetic valve 605, and is sprayed out by an air nozzle spray head 706 to blow sundries cleaned by a cleaning scraper 804 to the front side, so as to avoid the sundries from blocking the device, the device stops moving after moving to a position to be detected, an adjusting motor 202 pulls a horizontal connecting rod 3 to slide along a connecting sliding sleeve 2 through an adjusting gear 201 and an adjusting rack 301, so as to drive a blocking air bag 5 to synchronously move, the distance between the front side and the rear side of the whole device blocking the air bag 5 is adjusted according to actual detection requirements, after the adjustment is completed, a third electromagnetic valve 603 is opened, a storage air tank 6 charges air into the blocking air bag 5 through an inflating hose 604, the blocking air bag 5 can be naturally expanded to block a petroleum pipeline after being inflated, meanwhile, a pressing motor 405 can drive an adjusting threaded sleeve 402 to rotate through a pressing gear 404 and a threaded sleeve gear, so as to drive a horizontal screw 503 to move, and further drive a linkage pressing plate 502 to move horizontally, 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 by extrusion, the blocking air bag 5 blocks a petroleum pipeline more tightly to avoid leakage, a closed detection environment is formed by blocking the blocking air bags 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 of the device are all in the same structure, the elastic valve core is attracted and controlled to move by the electrified magnetic force of an electromagnet inside the valve body to open or close the valve, the storage air tank 6 is inflated to 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 improved to carry out detection work, the air pressure is detected through the air pressure detector 106 arranged in the middle of the central connecting seat 1, the petroleum pipeline can reach a required preset value if the air pressure is continuously increased, the petroleum pipeline can be undamaged, and the petroleum pipeline can not be damaged if the air pressure reaches the preset leakage value, the petroleum pipeline sealing performance of the petroleum pipeline can be detected, and the petroleum pipeline can be found out corresponding to the rupture of the petroleum pipeline.
The use method of the internal detection device for the sealing performance of the petroleum pipeline comprises the following steps:
when the device is used for detection, the device is embedded and installed inside a petroleum pipeline, the whole device is dragged to move inside the petroleum pipeline through the driving travelling wheel 104 on the horizontal travelling frame 103 so as to move to a position to be detected, when the detection is carried out, the third electromagnetic valve 603 is opened, the storage gas tank 6 charges gas into the blocking gas bag 5 through the inflating hose 604, the blocking gas bag 5 naturally expands to block the petroleum pipeline after being inflated, meanwhile, the horizontal screw 503 is driven to move through the rotating adjusting screw sleeve 402 so as to drive the linkage pressing plate 502 to move horizontally, the blocking gas bag 5 is pushed through the linkage pressing plate 502, the blocking gas bag 5 is clamped between the limiting baffle 302 and the linkage pressing plate 502, the blocking gas bag 5 is further compressed through extrusion, the blocking gas bag 5 is enabled to more tightly block the petroleum pipeline, the blocking gas 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 the blocking of the two blocking gas bags 5, then the second electromagnetic valve 601 is opened, the storage gas tank 6 inflates into the closed detection environment through the detection pipe 602, the gas detection environment, the gas pressure is detected through the gas pressure detector 106 arranged in the middle of the central connecting seat 1, if the gas pressure is not completely, the gas injection section, and the gas injection section can not reach a predetermined value, and the predetermined gas injection point, and the petroleum pipeline can not be detected, and the petroleum pipeline can not be damaged.
The device for detecting the inside of the petroleum pipeline can be nested and installed inside the petroleum pipeline during detection, the whole device can move along the inside of the petroleum pipeline through the driving travelling wheel 104 in the horizontal travelling frame 103 on the outer side of the central connecting seat 1 so as to enable the device to move to a position to be detected, the blocking air bags 5 are arranged on the front side and the rear side of the central connecting seat 1, when the detection is carried out, the blocking air bags 5 are inflated and expanded to block the inside of the petroleum pipeline, a closed detection environment is formed through the blocking of the two blocking air bags 5, then the inside of the closed detection environment can be inflated, the internal air pressure is increased to carry out the 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 cannot reach a preset value, a petroleum pipeline at the section, the detection on the sealing performance of the petroleum pipeline can be finished, a crack of the petroleum pipeline can be found correspondingly, and the device can move along the inside of the pipeline and form the closed detection environment through the blocking air bags 5, so that the detection work on any section of the petroleum pipeline can be detected conveniently, and the detection work can be detected more flexibly when the detection is carried out.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to those examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described 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 omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides an inside detection device of petroleum pipeline leakproofness, including central connecting seat (1), both sides are all connected around central connecting seat (1) and are provided with horizontal connecting rod (3), its characterized in that still includes:
the horizontal advancing frames (103) are arranged on the outer side of the central connecting seat (1), the plurality of horizontal advancing frames (103) are uniformly arranged around the central connecting seat (1) in a circumferential shape, and a driving advancing wheel (104) is arranged in the middle of each horizontal advancing frame (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 in sliding connection with the horizontal connecting rod (3) through the central sliding sleeve (501);
the linkage pressing plate (502) is fixedly connected and arranged on one side, close to the central connecting seat (1), of the blocking air bag (5), a horizontal screw rod (503) is rotatably connected and arranged on one side, close to the central connecting seat (1), of the linkage pressing plate (502), an adjusting threaded sleeve (402) is nested and arranged on the outer side of the horizontal screw rod (503), a fixed adjusting frame (4) is rotatably connected and arranged on the outer side of the adjusting threaded sleeve (402), and the fixed adjusting frame (4) is fixedly connected to the outer side of the horizontal connecting rod (3);
the storage gas tank (6) is fixedly connected and arranged on one side, away from the central connecting seat (1), of the limit baffle (302), a second electromagnetic valve (601) is arranged in the middle of the storage gas tank (6), a detection gas 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 storage gas tank (6) and the blockage airbag (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).
2. A petroleum pipeline tightness internal detection device according to claim 1, wherein a plurality of sliding fit grooves (101) are formed around the outer side of the central connection seat (1), the horizontal traveling rack (103) is fitted inside the sliding fit grooves (101), the horizontal traveling rack (103) is slidably connected with the central connection seat (1) through the sliding fit grooves (101), a traveling spring (102) is arranged at the bottom of the horizontal traveling rack (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 rack (103) through the hub motor (105).
3. The internal petroleum pipeline tightness detection device according to claim 1, wherein a traveling support frame (7) is arranged around the outer side of the storage gas tank (6), a plurality of support rocker arms (701) are uniformly arranged around the outer side of the traveling support frame (7) in a circumferential manner, a support rotating shaft (702) is arranged at the inner ends of the support rocker arms (701), the support rocker arms (701) are rotatably connected with the traveling support frame (7) through the support rotating shaft (702), support rollers (703) are rotatably connected at the outer ends of the support rocker arms (701), and a support spring (704) is arranged in the middle of each support rocker arm (701).
4. The internal petroleum pipeline tightness detection device according to claim 1, wherein a connecting sliding sleeve (2) is arranged in the middle of each of the front end and the rear end of the central connecting seat (1), the horizontal connecting rods (3) are nested and slidably arranged inside the connecting sliding sleeves (2), an adjusting gear (201) is arranged in the middle of each connecting sliding sleeve (2), an adjusting rack (301) is arranged in the middle of each horizontal connecting rod (3), the adjusting rack (301) is meshed with the adjusting gear (201), and an adjusting motor (202) is arranged at the shaft end of each adjusting gear (201).
5. The internal petroleum pipeline tightness detection device according to claim 4, wherein a connection rotating shaft (203) is arranged on the outer side of the connection sliding sleeve (2), the axial center line of the connection sliding sleeve (2) is perpendicular to the axial center line of the connection rotating shaft (203), a rotation connecting sleeve (204) is arranged on the outer side of the connection rotating shaft (203), the rotation connecting sleeve (204) is rotatably connected with the center connection base (1), the axial center line of the rotation connecting sleeve (204) is perpendicular to the axial center line of the connection rotating shaft (203), a rotation gear ring (205) is arranged around the outer side of the rotation connecting sleeve (204), a rotation gear (206) is arranged on the outer side of the rotation gear ring (205) in a meshed manner, and a rotation motor (207) is arranged on the shaft end of the rotation gear (206).
6. The internal petroleum pipeline tightness detection device according to claim 1, wherein a plurality of horizontal screws (503) are rotatably connected to one side of the linkage pressing plate (502) close to the central connection seat (1), the horizontal screws (503) and the horizontal connection rods (3) are arranged in 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 arranged correspondingly, the horizontal screws (503) are slidably connected with the fixed adjusting frame (4) through the guide sliding sleeves (401), a threaded sleeve gear (403) is arranged on the outer side of the adjusting threaded sleeve (402), a pressing gear (404) is meshed with the outer side of the threaded sleeve gear (403), and a pressing motor (405) is connected to the shaft end of the pressing gear (404).
7. The internal petroleum pipeline tightness detection device according to claim 3, wherein a connection turntable (8) is rotatably connected to one side of the traveling support frame (7) far away from the central connection seat (1), a plurality of telescopic sleeves (801) are uniformly and circumferentially arranged in the middle of the connection turntable (8), telescopic connection rods (802) are slidably arranged in the middle of the telescopic sleeves (801), telescopic springs (803) are arranged in the middle of the telescopic connection rods (802), cleaning scrapers (804) are fixedly connected to the outer ends of the telescopic connection rods (802), a turntable gear ring (805) is arranged around the outer side of the connection turntable (8), a cleaning gear (806) is meshed with the inner side of the turntable gear ring (805), and a cleaning motor (807) is connected to the shaft end of the cleaning gear (806).
8. The internal petroleum pipeline tightness detection device according to claim 3, wherein an annular gas pipe (705) is arranged around the outer side of the advancing support frame (7), an annular gas pipe (705) is arranged around the middle of the advancing support frame (7), a plurality of gas nozzle spray heads (706) are uniformly arranged around the side, away from the central connecting seat (1), of the annular gas pipe (705) in a circumferential manner, 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).
9. An internal petroleum pipeline tightness detection device according to claim 1, wherein an inflation pump (606) is connected and arranged on the outer side of the storage gas tank (6), and the outer end opening of the detection gas 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).
10. Use of the petroleum pipeline sealability internal detection apparatus of any of claims 1-9, characterized by comprising the steps of:
when the device is used for detection, the device is embedded and installed inside a petroleum pipeline, the whole device is pulled to move to a position to be detected through a driving traveling wheel (104) on a horizontal traveling frame (103), a third electromagnetic valve (603) is opened when the device is used for detection, a storage gas tank (6) is filled with gas into a blocking air bag (5) through an inflation hose (604), the blocking air bag (5) is inflated to naturally expand to block the petroleum pipeline, meanwhile, a horizontal screw rod (503) is driven to move through rotating an adjusting screw sleeve (402) so as to drive a linkage pressing plate (502) to translate, the blocking air bag (5) is pushed through the linkage pressing plate (502), the blocking air bag (5) is clamped between a limiting baffle plate (302) and the linkage pressing plate (502), the blocking air bag (5) is further compressed through extrusion, the blocking air bag (5) is more tightly blocked by the blocking air bag (5), the blocking air bag (5) is arranged on the front side and the back side of a central connecting seat (1), a closed detection environment can be formed through the blocking of the two blocking air bags (5), then a second electromagnetic valve (601) is opened, the gas tank (6) is stored, the gas pressure of the gas tank (6) is detected to reach a central detection section of the central gas injection detection section through a middle gas injection meter, and the gas injection detection section of the petroleum pipeline, if the gas injection pipe, the gas injection detection section, the gas injection connection seat (1, the gas injection detection is not broken gas injection detection section, and the gas injection detection is convenient for detection, and the gas injection detection section is set, and if the air pressure cannot reach the preset value, leakage points exist in the petroleum pipeline.
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| CN116428528A (en) * | 2023-06-14 | 2023-07-14 | 河北邢襄热力集团有限公司 | Heating pipeline damage detection device |
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| CN117287645A (en) * | 2023-09-25 | 2023-12-26 | 南天管道检测技术河北有限公司 | Detection equipment for petroleum pipeline |
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| CN117870992A (en) * | 2024-03-11 | 2024-04-12 | 中国水电基础局有限公司 | Pipeline tightness detection assembly and detection method for water pipeline construction |
| 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 |
| CN118129996A (en) * | 2024-05-08 | 2024-06-04 | 四川振鸿钢制品有限公司 | Galvanized steel pipe tightness detection device and detection method |
| CN118129996B (en) * | 2024-05-08 | 2024-07-09 | 四川振鸿钢制品有限公司 | Galvanized steel pipe tightness detection device and detection method |
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