CN115264400A - Underground gas pipeline internal repair detection device and detection method thereof - Google Patents
Underground gas pipeline internal repair detection device and detection method thereof Download PDFInfo
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- CN115264400A CN115264400A CN202210804580.4A CN202210804580A CN115264400A CN 115264400 A CN115264400 A CN 115264400A CN 202210804580 A CN202210804580 A CN 202210804580A CN 115264400 A CN115264400 A CN 115264400A
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 230000008439 repair process Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 112
- 230000007246 mechanism Effects 0.000 claims description 79
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000008786 sensory perception of smell Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/04—Preventing, monitoring, or locating loss by means of a signalling fluid enclosed in a double wall
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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Abstract
The invention discloses a repair detection device and a detection method in an underground gas pipeline, and relates to the related technical field of gas pipeline maintenance.
Description
Technical Field
The invention relates to the technical field related to gas pipeline maintenance, in particular to a device and a method for detecting repair in an underground gas pipeline.
Background
When cracks and holes appear on the inner wall of the underground gas pipeline, the underground gas pipeline can be repaired by adopting a turnover lining method, the limiting reinforced hose or the woven hose soaked with thermosetting resin is used as a lining material of the pipeline, the limiting reinforced hose or the woven hose is attached to the cracks or the holes on the inner wall of the pipeline through a repairing device, a pipe-in-pipe is generated inside the pipeline, and the cracks or the holes are filled.
Disclosure of Invention
The invention aims to provide a device and a method for detecting repair in an underground gas pipeline, which are used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a restoration detection device in underground gas pipeline, include the direction head of leading detection device to in the gas pipeline, the one end fixedly connected with sealing mechanism of direction head, sealing mechanism sets up to two, fixedly connected with connecting rod between two sealing mechanism, sealing mechanism includes the sliding tray, sealing washer and fixed disk, the sealing washer is fixed the one side of fixed cup at the sliding tray, fixed disk fixed connection is in the one side of sliding tray, the sealing mechanism one end fixedly connected with who keeps away from the direction head is used for toward the inflatable mechanism of aerifing between sealing washer and two sealing mechanism, inflatable mechanism includes gas storage tank and piston, piston slidable mounting is in the inside of gas storage tank, the connecting rod, fixedly mounted has first pipe and second pipe in sliding tray and the fixed disk, the one end fixed connection of first pipe and second pipe is in the one end of gas storage tank, and communicate each other with the gas storage tank, first pipe and sealing washer communicate each other, the hole of leading out second pipe exhaust gas is seted up to the connecting rod, the one end fixed mounting of gas storage tank has the detector that is used for detecting the atmospheric pressure between two sealing mechanism, the one end fixedly connected with the detection pipe that the connecting rod communicates with the connecting rod, and then repair the space between two sealing mechanism, the internal pressure detection mechanism confirms the detection mechanism between two sealing mechanism, the internal pressure detection mechanism.
In further embodiment, the one end fixedly connected with of piston is used for controlling the rack that the piston removed, the gas receiver is seted up the hole that matches with the rack, the driven helical gear that is used for controlling rack removal is installed to the gas receiver internal rotation, the control helical gear with driven helical gear meshing is installed to the gas receiver internal rotation, the one end fixedly connected with of control helical gear is used for rotating the first driving piece of control helical gear, drive control helical gear through first driving piece and rotate, and then drive driven helical gear and rotate, it removes to drive the rack through helical gear rotation, rack removal drives the piston and slides in the gas receiver.
In a further embodiment, a control mechanism for controlling the inflation position is fixedly connected between the sealing mechanism and the inflation mechanism, the control mechanism comprises a control panel and a sealing rotary disc, the control panel is provided with two through holes matched with the first guide pipe and the second guide pipe respectively, the sealing rotary disc is rotatably installed in the control panel and is covered on the two through holes in a sealing manner, the sealing rotary disc is provided with a hole matched with one through hole, and the hole of the sealing rotary disc is aligned with the through hole different from the through hole of the control panel by rotating the sealing rotary disc, so that the air flow direction is controlled.
In a further embodiment, a driven gear for controlling the rotation of the sealing turntable is rotatably mounted in the control panel, the driven gear is fixedly connected with the sealing turntable, a driving gear meshed with the driven gear is rotatably mounted in the control panel, a second driving member for rotating the driving gear is fixedly connected to one end of the driving gear, the driving gear is driven to rotate through the second driving member, and then the driven gear is driven to rotate, and the sealing turntable is driven to rotate through the rotation of the driven gear.
In a further embodiment, one end of the driven gear is fixedly connected with a fixing rod for connecting the sealing turntable, the other end of the driven gear is fixedly connected with a fixing frame for fixing the driven gear, the sealing turntable is connected with the driven gear through the fixing rod, and the driven gear is fixed through the fixing frame and rotates in the control panel.
In a further embodiment, fixedly connected with is used for rotating sealed carousel and carries out spacing dog in the control panel, and the lateral wall fixedly connected with of sealed carousel is used for contacting the stopper of dog, contacts the stopper and then rotates sealed carousel and carries on spacingly through the stopper.
In a further embodiment, sealing mechanism includes fixed disk, two slip dishes and two sealing washers, and the sealing washer is fixed to cup joint the one end at the slip dish, and fixed disk fixed connection is between two slip dishes, and the connecting rod includes two dwangs, and fixed mounting has the hinge that is used for making two dwangs rotate to connect between two dwangs, and the dwang sets up to the telescopic link, drives doing of grabbing of two dwangs through the hinge, and then makes the connecting rod can buckle.
In further embodiment, the lateral wall fixedly connected with of sliding tray makes things convenient for the gliding movable pulley of sliding tray in the gas pipeline and the guide block that is used for guiding the sliding tray to penetrate in the gas pipeline, and movable pulley and guide block all set up to a plurality ofly, make things convenient for the sliding tray to get into the gas pipeline through the guide block in, make things convenient for the sliding tray to remove at the gas pipeline through the movable pulley.
Preferably, the detection method based on the underground gas pipeline repairing detection device comprises the following steps:
a1, through direction head guide sliding disc get into in the gas pipeline, it is located between two sealing mechanism with the inside department of repairing of gas pipeline, move to direction head department in the gas storage tank through the piston, and then with the gas in the gas storage tank through first pipe and second pipe guide to in sealing washer and the connecting rod, the sealing washer is aerifyd the back inflation, space between two sealing mechanism is sealed, aerify the pressurization toward the space between the sealing mechanism through the connecting rod, the piston stops moving the back, detect the inside atmospheric pressure of sealing mechanism through the detector, continuously drop when inside atmospheric pressure, then show that the inside department of repairing of gas pipeline does not restore completely.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a device and a method for detecting the repair in an underground gas pipeline.
Drawings
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a guide head according to an embodiment of the present invention;
FIG. 3 is an exploded view of a sealing mechanism according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a schematic view of the first and second conduits of an embodiment of the present invention;
FIG. 6 is a schematic structural view of an inflation mechanism according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of an air reservoir of an embodiment of the present invention;
FIG. 8 is a schematic view of the structure of a driven bevel gear and a control bevel gear according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a control mechanism according to an embodiment of the present invention;
FIG. 10 is an exploded view of a control mechanism according to an embodiment of the present invention;
FIG. 11 is an enlarged view at B of FIG. 10 according to an embodiment of the present invention;
FIG. 12 is a schematic view of a part of a control panel according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of a connecting rod according to an embodiment of the present invention;
fig. 14 is an exploded view of a connecting rod in accordance with an embodiment of the present invention.
In the figure: 1. a guide head; 11. cleaning brushes; 12. a first conduit; 13. a second conduit; 2. a sealing mechanism; 21. a sliding disk; 211. a sliding wheel; 212. a guide block; 22. a seal ring; 23. fixing the disc; 24. a detector; 241. detecting the catheter; 3. a connecting rod; 31. rotating the rod; 32. a hinge; 4. an inflation mechanism; 41. a gas storage tank; 411. a fixed block; 42. a piston; 43. a rack; 44. a driven helical gear; 45. controlling the bevel gear; 451. a first driving member; 5. a control mechanism; 51. a control panel; 511. a stopper; 52. sealing the turntable; 521. a limiting block; 53. a driven gear; 531. a fixed mount; 532. a fixing rod; 54. a driving gear; 541. a second driving member.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 8, the present embodiment provides a device for detecting repair in an underground gas pipeline and a detection method thereof, including a guiding head 1, where the guiding head 1 is used to guide the detecting device into the underground gas pipeline.
One end of the guide head 1 is fixedly connected with two sealing mechanisms 2, and a connecting rod 3 is fixedly connected between the two sealing mechanisms 2.
The sealing mechanism 2 comprises a sliding disc 21, a sealing ring 22 and a fixed disc 23, the sealing ring 22 is preferably made of rubber, the sealing ring 22 is fixedly sleeved at one end of the sliding disc 21, the fixed disc 23 is fixed at one end of the sliding disc 21, and the sealing ring 22 is clamped and fixed through the sliding disc 21 and the fixed disc 23.
Because the inside wall of the underground gas pipeline is smooth and flat, when the two sealing rings 22 are inflated and expanded and are attached to the inside, a closed space is formed between the two sealing mechanisms 2.
In order to prevent the inner wall of the underground gas pipeline from being adhered with sundries, which causes that the space formed between the two sealing mechanisms 2 cannot be closed after the sealing ring 22 is inflated and expanded, the outer side wall of the guide head 1 is fixedly connected with a cleaning brush 11.
Wherein, the preferred nylon material that adopts of cleaning brush 11 makes cleaning brush 11 contact underground gas pipeline's inner wall through the removal of direction head 1, clears up underground gas pipeline's inner wall.
The fixed disc 23 and the sliding disc 21 are internally provided with a chamber communicated with the inside of the sealing ring 22, a first conduit 12 and a second conduit 13 are fixedly arranged in the chamber, the first conduit 12 is communicated with the sealing ring 22, the second conduit 13 penetrates into the connecting rod 3 and is communicated with the connecting rod 3, and the side wall of the connecting rod 3 is provided with a hole for facilitating the air flow to pass through.
Keep away from 2 one end fixedly connected with air inflation mechanism 4 of guide head 1's sealing mechanism, wherein, air inflation mechanism 4 includes gas storage tank 41 and piston 42, and piston 42 slidable mounting has been seted up to the one end of gas storage tank 41 in gas storage tank 41, and gas storage tank 41 fixed connection is in sealing mechanism 2 one end of keeping away from guide head 1, and the venthole communicates each other with first pipe 12 and second pipe 13.
When the piston 42 slides in the gas storage tank 41 toward the guide head 1, the gas in the gas storage tank 41 is compressed, the gas is introduced into the space formed between the seal ring 22 and the two seal mechanisms 2 through the first guide pipe 12 and the second guide pipe 13, and when the gas is compressed and introduced into the seal ring 22, the interior of the seal ring 22 is inflated, and the gas pressure in the space between the two seal mechanisms 2 rises.
One end fixedly connected with detector 24 of gas storage tank 41, detector 24 sets up to the atmospheric pressure detector, this detection device is prior art, be used for detecting atmospheric pressure, one side fixedly connected with detection pipe 241 of detector 24, it pegs graft in fixed disk 23 and sliding plate 21 to detect pipe 241 seals, and one end inserts in the connecting rod 3, hole seted up through connecting rod 3, detect the inside atmospheric pressure in space between two sealing mechanism 2, when atmospheric pressure is stable, indicate the inside perfect restoration of underground gas pipeline promptly, there is not the space, when atmospheric pressure descends, then indicate still to have the gap in the pipeline, the phenomenon of leaking gas takes place.
The existing method for detecting the internal repair state of the gas pipeline is mainly used for checking through a gas concentration detector or artificial olfaction after gas is introduced, the pipeline is required to be continuously detached after problems are found, the device can be used for directly detecting the internal repair state of the gas pipeline after the internal wall of the gas pipeline is repaired, the detection efficiency is greatly improved, and the accuracy of the internal repair state of the detection pipeline is higher.
To facilitate movement of the piston 42 within the air reservoir 41, a rack 43 is fixedly attached to one end of the piston 42.
Wherein, the gas storage tank 41 is provided with a slotted hole matched with the rack 43, one surface of the gas storage tank 41 far away from the guide head 1 is internally rotatably provided with the driven helical gear 44, the outer side wall of the driven helical gear 44 is provided with teeth meshed with the rack 43, the control helical gear 45 is rotatably arranged in the gas storage tank 41, the inclined surface of the driven helical gear 44 is mutually meshed with the inclined surface of the control helical gear 45, the control helical gear 45 rotates to drive the driven helical gear 44 to rotate, the rack 43 is driven to move by the teeth on the outer side wall of the driven helical gear 44, and then the piston 42 is driven to move, and moves through the piston 42, so that the first conduit 12 is compressed, the second conduit 13, the gas in the airtight space between the sealing ring 22 and the two sealing mechanisms 2 is compressed, and further the effect of increasing the air pressure is achieved.
In order to facilitate the driving of the control bevel gear 45 to rotate, one end of the control bevel gear 45 is fixedly connected with a first driving member 451.
The control bevel gear 45 is fixedly connected to an output shaft of the first driving member 451, and the first driving member 451 is preferably a motor, but is not limited to a motor, and may be a knob, a rocker, or the like as long as the control bevel gear 45 can be driven to rotate.
In order to facilitate the sliding of the sliding plate 21 in the underground gas pipeline, a sliding wheel 211 is fixedly connected to the outer side of the sliding plate 21.
The sliding wheels 211 are preferably provided in a plurality, and the plurality of sliding wheels 211 are uniformly arranged in an annular array with the center of the sliding disk 21 as the center of the circle.
In order to guide the sliding disk 21 into the underground gas pipeline, a guide block 212 is also fixedly connected to the outer side wall of the sliding disk 21.
The guide block 212 is preferably a triangular block, the inclined surface faces the inlet of the underground gas pipeline, and the sliding disc 21 can be guided into the underground gas pipeline through the inclined surface of the guide block 212.
Example two
Referring to fig. 1 and fig. 9-12, a further improvement is made on the basis of embodiment 1:
in order to conveniently control the position of the inflating mechanism 4, the sealing ring 22 is inflated or the space between the two sealing mechanisms 2 is pressurized, and the control mechanism 5 is fixedly arranged between the inflating mechanism 4 and the sealing mechanisms 2.
Wherein, control mechanism 5 includes control panel 51 and sealed carousel 52, has seted up two through-holes in the control panel 51, two through-holes communicate each other with first pipe 12 and second pipe 13 respectively, and sealed carousel 52 rotates and installs in the control panel 51, and covers on two through-holes, and the one side of sealed carousel 52 laminating control panel 51 is provided with gluey face, glues the preferred rubber material that adopts of face, and then the accessible glues the sealed through-hole of face.
The hole that matches with a control panel 51 through-hole is seted up to sealed carousel 52, control panel 51 and gas storage tank 41 interconnect, and communicate each other, and then after inflating mechanism 4 gas injection, the air current passes through control panel 51 and reentries in first pipe 12 or the second pipe 13, after sealed carousel 52's hole aligns with a control panel 51's through-hole, can select the direction of applying atmospheric pressure.
In order to facilitate the rotation of the seal dial 52, a driven gear 53 is fixedly connected to one surface of the seal dial 52.
In order to prevent the driven gear 53 from shielding the hole of the sealing dial 52, a fixing rod 532 is fixedly connected between the driven gear 53 and the sealing dial 52.
In order to facilitate the fixing rod 532 to be rotatably installed in the control disc 51, the other surface of the sealing rotary disc 52 is fixedly connected with a fixing frame 531.
Wherein, the sealing turntable 52 is rotatably mounted on the fixing frame 531, and the sealing turntable 52 is supported by the fixing frame 531.
In order to control the rotation angle of the sealing dial 52 conveniently, the rotation of the sealing dial 52 is limited, and a limiting block 521 is fixedly connected to the outer side wall of the sealing dial 52.
Wherein, stopper 521 sets up to two, and is located the both sides of sealed carousel 52, and the stopper 511 that fixedly connected with contacted with stopper 521 in the control panel 51 limits the removal of stopper 521 through stopper 511, and then carries on spacingly to the rotation of sealed carousel 52.
To facilitate the control of the rotation of the sealing dial 52, a drive gear 54 is rotatably mounted in the control dial 51.
The driving gear 54 and the driven gear 53 are engaged with each other, and the driven gear 53 is driven to rotate by rotating the driving gear 54.
To facilitate rotation of the drive gear 54, a second drive member 541 is rotatably mounted in the control disk 51.
One surface of the driving gear 54 is fixedly connected to an output shaft of the second driving element 541, and the second driving element 541 preferably uses a motor, but is not limited to a motor, and may also use a rocker, a knob, etc., as long as the driving gear 54 can be driven to rotate.
In order to facilitate the operation of the second driving member 541, the second driving member 541 is fixedly installed at one side of the gas storage tank 41.
Wherein, the output shaft of the second driving element 541 extends into the control disc 51 to be connected with the driving gear 54.
In order to stabilize the second driving member 541 on the side of the air tank 41, a fixing block 411 is fixedly mounted on a sidewall of the air tank 41.
Wherein, the output shaft of the second driving member 541 rotates to be inserted into the fixed block 411, when the second driving member 541 is set as a motor, the second driving member 541 is fixedly connected to one end of the fixed block 411, and when the second driving member 541 is set as a rocker or a knob, the second driving member 541 is rotatably installed at one end of the fixed block 411.
When in use, the second driving member 541 is driven to align the hole of the sealing dial 52 with the through hole of the control dial 51 connected to the first conduit 12, the sealing ring 22 is pressurized and expanded through the first conduit 12, after the underground gas pipeline is sealed by the sealing ring 22, the second driving member 541 is driven to align the hole of the sealing dial 52 with the through hole of the control dial 51 connected to the second conduit 13, and the space between the two sealing mechanisms 2 is pressurized through the second conduit 13.
EXAMPLE III
Please refer to fig. 1 and fig. 13-14, which are further improved based on the embodiment 2:
connecting rod 3 includes two dwang 31, is provided with hinge 32 between two dwang 31, makes two dwang 31 rotate through hinge 32 and connects, and then makes two sealing mechanism 2 place the detection in crooked underground gas pipeline, and hinge 32 is provided with the space, inflates mechanism 4 and pressurizes the back to the inside atmospheric pressure of dwang 31, can pressurize airtight space between two sealing mechanism 2 through the space.
In order to prevent the repairing surface from being too long and exceeding the distance between the two sealing mechanisms 2, which results in that the sealed space of the two sealing mechanisms 2 cannot cover the whole repairing surface, the rotating rod 31 is set as a telescopic rod.
Wherein the telescopic rod is preferably provided hollow to facilitate the passage of the first conduit 12 and the second conduit 13.
In order that the sealing mechanism 2 still can seal the underground bent gas pipeline after the detection device is positioned in the underground bent gas pipeline, the sealing mechanism 2 is provided with two sliding discs 21 and two sealing rings 22.
The two sealing rings 22 are respectively sleeved on one surface of the two sliding discs 21, the fixed disc 23 is fixedly connected between the two sliding discs 21 and used for fixing the sealing rings 22, the first guide pipe 12 is communicated with all the sealing rings 22, and the inflating mechanism 4 pressurizes and inflates all the sealing rings 22 through the first guide pipe 12 so as to enable the sealing rings to expand to seal the space between the two sealing mechanisms 2.
Through setting up two sealing washer 22, make sealing mechanism 2 and underground gas pipeline inner wall pipeline remain the vertical state all the time, and then the better airtight space between two sealing mechanism 2 after sealing washer 22 inflation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a restoration detection device in underground gas pipeline, includes first (1) of direction in leading detection device to gas pipeline, its characterized in that: one end of the guide head (1) is fixedly connected with two sealing mechanisms (2), a connecting rod (3) is fixedly connected between the two sealing mechanisms (2), each sealing mechanism (2) comprises a sliding disc (21), a sealing ring (22) and a fixed disc (23), the sealing ring (22) is fixedly sleeved on one surface of the sliding disc (21), and the fixed disc (23) is fixedly connected on one surface of the sliding disc (21);
one end of the sealing mechanism (2) far away from the guide head (1) is fixedly connected with an inflation mechanism (4) used for inflating between the sealing ring (22) and the two sealing mechanisms (2), the inflation mechanism (4) comprises an air storage box (41) and a piston (42), and the piston (42) is slidably mounted in the air storage box (41);
connecting rod (3), sliding disk (21) and fixed disk (23) internal fixed mounting have first pipe (12) and second pipe (13), the one end fixed connection of first pipe (12) and second pipe (13) is in the one end of gas storage tank (41), and communicate each other with gas storage tank (41), first pipe (12) communicate each other with sealing washer (22), the hole of exporting second pipe (13) exhaust gas is seted up in connecting rod (3), the one end fixed mounting of gas storage tank (41) has detector (24) that are used for detecting atmospheric pressure between two sealing mechanism (2), the one end fixedly connected with of detector (24) and detection pipe (241) of connecting rod (3) intercommunication.
2. The underground gas pipeline internal repair detection device according to claim 1, characterized in that: the one end fixedly connected with of piston (42) is used for controlling rack (43) that piston (42) removed, the hole that matches with rack (43) is seted up in gas storage box (41), driven helical gear (44) that are used for controlling rack (43) removal are installed to gas storage box (41) internal rotation, control helical gear (45) with driven helical gear (44) meshing are installed to gas storage box (41) internal rotation, the one end fixedly connected with of control helical gear (45) is used for rotating first driving piece (451) of control helical gear (45).
3. The underground gas pipeline internal repair detection device according to claim 1, characterized in that: sealing mechanism (2) and aerify between mechanism (4) fixedly connected with be used for controlling control mechanism (5) of aerifing the position, control mechanism (5) are including control panel (51) and sealed carousel (52), control panel (51) are seted up two through-holes that match respectively with first pipe (12) and second pipe (13), sealed carousel (52) rotate and are installed in control panel (51), and sealed the covering on two through-holes, sealed carousel (52) are seted up the hole that matches with a through-hole.
4. The underground gas pipeline internal repair detection device according to claim 3, characterized in that: be used for controlling sealed carousel (52) pivoted driven gear (53) is installed to control panel (51) internal rotation, driven gear (53) and sealed carousel (52) fixed connection, control panel (51) internal rotation install with driven gear (53) engaged driving gear (54), the one end fixedly connected with of driving gear (54) is used for rotating second driving piece (541) of driving gear (54).
5. The underground gas pipeline internal repair detection device according to claim 4, wherein: one end of the driven gear (53) is fixedly connected with a fixing rod (532) used for connecting the sealing rotary disc (52), and the other end of the driven gear (53) is fixedly connected with a fixing frame (531) used for fixing the driven gear (53).
6. The underground gas pipeline internal repair detection device according to claim 5, wherein: the inner fixed connection of the control panel (51) is used for limiting the rotation of the sealing turntable (52), and the outer side wall of the sealing turntable (52) is fixedly connected with a limiting block (521) used for contacting the limiting block (511).
7. The underground gas pipeline internal repair detection device according to claim 3, characterized in that: sealing mechanism (2) are including fixed disk (23), two slip dishes (21) and two sealing washer (22), the one end at slip dish (21) is fixed to sealing washer (22), fixed disk (23) fixed connection is between two slip dishes (21), connecting rod (3) are including two dwang (31), two fixed mounting has between dwang (31) to be used for making two dwang (31) rotate hinge (32) of connecting, and dwang (31) set up to the telescopic link.
8. The underground gas pipeline internal repair detection device according to claim 7, wherein: the outer side wall of the sliding disc (21) is fixedly connected with a sliding wheel (211) which facilitates the sliding disc (21) to slide in the gas pipeline and a guide block (212) which is used for guiding the sliding disc (21) to penetrate into the gas pipeline, and the sliding wheel (211) and the guide block (212) are both arranged in a plurality.
9. The detection method of the underground gas pipeline internal repair detection device adopts the underground gas pipeline internal repair detection device as claimed in claim 1, and is characterized by comprising the following steps:
a1, a sliding disc (21) is guided to enter a gas pipeline to slide through a guide head (1), so that the repaired part in the gas pipeline is located between two sealing mechanisms (2), a piston (42) moves towards the guide head (1) in a gas storage box (41), further, gas in the gas storage box (41) is guided into a sealing ring (22) and a connecting rod (3) through a first guide pipe (12) and a second guide pipe (13), the sealing ring (22) expands after being inflated, the space between the two sealing mechanisms (2) is sealed, the space between the sealing mechanisms (2) is inflated and pressurized through the connecting rod (3), after the piston (42) stops moving, the internal air pressure of the sealing mechanisms (2) is detected through a detector (24), and when the internal air pressure continuously drops, the repaired part in the gas pipeline is not completely repaired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804580.4A CN115264400A (en) | 2022-07-08 | 2022-07-08 | Underground gas pipeline internal repair detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804580.4A CN115264400A (en) | 2022-07-08 | 2022-07-08 | Underground gas pipeline internal repair detection device and detection method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115264400A true CN115264400A (en) | 2022-11-01 |
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