CN116379355A - Natural gas conveying pipeline detection device - Google Patents
Natural gas conveying pipeline detection device Download PDFInfo
- Publication number
- CN116379355A CN116379355A CN202310283134.8A CN202310283134A CN116379355A CN 116379355 A CN116379355 A CN 116379355A CN 202310283134 A CN202310283134 A CN 202310283134A CN 116379355 A CN116379355 A CN 116379355A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- conveying pipeline
- gas conveying
- box body
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 230
- 239000003345 natural gas Substances 0.000 title claims abstract description 115
- 238000001514 detection method Methods 0.000 title claims abstract description 83
- 239000007789 gas Substances 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 9
- 238000009423 ventilation Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 12
- 238000005192 partition Methods 0.000 description 9
- 241000252254 Catostomidae Species 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention belongs to the technical field of natural gas conveying, in particular to a natural gas conveying pipeline detection device which comprises a protective box body, a combustible gas detector, a shell, a first large arm, a second large arm, a first oil cylinder, a second oil cylinder and an electric push rod, wherein the protective box body is arranged on the shell; the first oil cylinder and the second oil cylinder drive the first large arm and the second large arm to loosen and clamp the natural gas conveying pipeline, so that the walking unit is used for loosening and clamping the natural gas conveying pipeline; the electric push rods at the two ends extend to push the loosened walking unit and the detection unit to move along the natural gas conveying pipeline; thereby realizing that the detection device moves along the natural gas conveying pipeline; when the detection device moves, the combustible gas detector detects the air around the natural gas conveying pipeline, and the detected result is transmitted to the terminal of the ground staff in real time, so that the detection work of the staff is facilitated, and the detection accuracy is improved.
Description
Technical Field
The invention belongs to the technical field of natural gas conveying, and particularly relates to a natural gas conveying pipeline detection device.
Background
Natural gas transport pipelines refer to pipelines that transport natural gas from a production site or process plant to a municipal gas distribution center or industrial enterprise user; the natural gas conveying pipeline has the advantages of low conveying cost, small occupied area, quick construction, large conveying capacity, high safety performance, less conveying loss, less leakage danger, less pollution and the like; is the main way to transport natural gas today.
The natural gas conveying pipeline is mainly buried below the ground surface, and the natural gas conveying pipeline can be erected at high altitude in areas unsuitable for burying; the natural gas conveying pipeline is mostly in the field, and in the severe environment of wind, rain and showering, the natural gas conveying pipeline is often damaged and leaked; therefore, regular maintenance is required for the natural gas transmission pipeline, and the existing maintenance mode mainly comprises the steps of detecting the pressure of the pipeline, detecting by using a leak detector through drilling along a pipeline embedded path, and detecting by exposing the pipeline through pit digging.
However, for the natural gas conveying pipeline erected at the high position, the natural gas conveying pipeline erected at the high position is difficult to detect, and when slight leakage occurs, the natural gas conveying pipeline erected at the high position is open due to the fact that the environment is clear and air flows quickly at the high position, so that the concentration of combustible gas in the air is low, and detection results of detection personnel on the ground are greatly different by using the combustible gas detector.
To this end, the invention provides a natural gas conveying pipeline detection device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a natural gas conveying pipeline detection device, which comprises a detection unit and a traveling unit, wherein the detection unit is used for detecting the position of a pipeline; the two ends of the detection unit are provided with walking units; the detection unit comprises a protective box body; a combustible gas detector is arranged in the protective box body; the walking unit comprises a shell; the two sides of the shell are hinged with a first big arm, one end, far away from the shell, of the first big arm is hinged with a second big arm, the inner walls of the first big arm and the second big arm are in contact fit with the outer wall of a natural gas conveying pipeline, two sides of the shell are hinged with a pair of first oil cylinders, the pair of first oil cylinders are positioned on the two sides of the first big arm, the end part of a piston rod of each first oil cylinder is hinged with the middle part of the corresponding first big arm, the top surface of the middle part of the corresponding first big arm is hinged with a second oil cylinder, the top end of the corresponding second big arm is hinged with the end part of the piston rod of the corresponding second oil cylinder, an electric push rod is arranged in the shell, and the end part of a sliding rod of the electric push rod is hinged with the outer wall of the protective box body; the first oil cylinder and the second oil cylinder drive the first large arm and the second large arm to loosen and clamp the natural gas conveying pipeline, so that the walking unit is used for loosening and clamping the natural gas conveying pipeline; the electric push rods at the two ends stretch to push the loosened walking unit and the detection unit to move along the natural gas conveying pipeline; thereby realizing that the detection device moves along the natural gas conveying pipeline; when the detection device moves, the combustible gas detector detects the air around the natural gas conveying pipeline, and the detected result is transmitted to the terminal of the ground staff in real time, so that the detection work of the staff is facilitated, and the detection accuracy is improved.
Preferably, the inner walls of the first large arm and the second large arm are uniformly fixedly connected with a plurality of trapezoid rubber blocks, and the outer walls of the trapezoid rubber blocks are provided with anti-skid lines; thereby improved walking unit centre gripping natural gas pipeline's stability and firmness, reduced the probability that takes place to drop when detection device removes along natural gas pipeline.
Preferably, the electric push rod is rotationally connected with one side of the protective box body far away from the protective box body, and a first spring is fixedly connected between the two sides of the electric push rod and the inner wall of the protective box body; thereby being convenient for the detection device to pass through the bent natural gas conveying pipeline and improving the application range of the detection device.
Preferably, the inner wall of the shell is uniformly provided with a plurality of mounting grooves, the inside of the mounting grooves is rotatably provided with rollers, and the outer rings of the rollers are in sliding fit with the outer wall of the natural gas conveying pipeline; the rollers are attached to the natural gas conveying pipeline to roll, so that the efficiency of the traveling unit in moving is improved.
Preferably, adjusting grooves are formed in two sides of the mounting groove, a sliding block is slidably arranged in the adjusting groove, the middle of the sliding block is rotationally connected with a rotating shaft of the roller, and a second spring is fixedly connected between the top surface of the sliding block and the top surface of the adjusting groove; the influence of the rollers on the process of tightly holding the natural gas conveying pipeline by the walking unit is reduced; not only improves the efficiency of the traveling unit during movement, but also improves the stability of the traveling unit during movement.
Preferably, the bottom surface of the protection box body is uniformly fixedly connected with a plurality of strip-shaped suckers, the bottom surface of the strip-shaped suckers is in contact fit with the outer wall of the natural gas conveying pipeline, a gas tank is formed in the bottom wall of the protection box body, the bottom of the gas tank is communicated with the inside of the strip-shaped suckers, an air pump is fixedly connected to the bottom surface of the inside of the protection box body, and an air inlet of the air pump is connected with the gas tank; thereby improving the firmness of the protective box body fixed on the natural gas conveying pipeline.
Preferably, the middle part rigid coupling of protection box has the air tank, the both sides of air tank all rigid coupling has the intake pipe, and the inside of intake pipe intercommunication air tank, the one end that the air tank was kept away from to the intake pipe communicates the both sides through-hole of protection box, the top surface rigid coupling of protection box has the outlet duct, and the inside of outlet duct intercommunication air tank, the roof of protection box is run through at the top of outlet duct, the inside rigid coupling of outlet duct has the air fan, a plurality of detection holes have evenly been seted up to the one side of air tank, the inside and the probe sliding connection of combustible gas detector of one of them detect the hole, the other inside slidable mounting of detection hole has the rubber sealing plug; thereby improving the detection efficiency and accuracy of the combustible gas detector.
Preferably, one side of the protective box body, which is far away from the air pump, is fixedly connected with a plurality of vertical screws, the outer rings of the vertical screws are slidably provided with pressing plates, the outer rings of the tops of the vertical screws are provided with nuts in a threaded manner, and the bottom surfaces of the pressing plates are in extrusion fit with the top wall of the combustible gas detector; the pressing plate is fixedly locked on the vertical screw rod through the nut, and the combustible gas detector is pressed and fixed at the bottom of the protective box body, so that the firmness and the safety of the combustible gas detector are improved; meanwhile, the layered fixed installation of various detectors is convenient for workers, so that the application range of the detection device is improved.
Preferably, a chute is formed in the middle of the pressing plate, a plurality of partition plates are slidably arranged in the chute, the side walls of the partition plates are in contact with the side surfaces of the combustible gas detector, and locking screws are arranged on protruding threads on two sides of the partition plates; the installation firmness of the flammable gas detector is improved, and meanwhile, workers can conveniently install various detectors.
Preferably, one side of the shell far away from the protective box body is provided with a panoramic camera; thereby facilitating the potential danger of the natural gas conveying pipeline for the staff in time.
The beneficial effects of the invention are as follows:
1. according to the natural gas conveying pipeline detection device, the protection box body, the combustible gas detector, the shell, the first large arm, the second large arm, the first oil cylinder, the second oil cylinder and the electric push rod are arranged; the first oil cylinder and the second oil cylinder drive the first large arm and the second large arm to loosen and clamp the natural gas conveying pipeline, so that the walking unit is used for loosening and clamping the natural gas conveying pipeline; the electric push rods at the two ends stretch to push the loosened walking unit and the detection unit to move along the natural gas conveying pipeline; thereby realizing that the detection device moves along the natural gas conveying pipeline; when the detection device moves, the combustible gas detector detects the air around the natural gas conveying pipeline, and the detected result is transmitted to the terminal of the ground staff in real time, so that the detection work of the staff is facilitated, and the detection accuracy is improved.
2. According to the natural gas conveying pipeline detection device, the air box, the air inlet pipe and the exhaust fan are arranged; when the detection device moves along the natural gas conveying pipeline, the exhaust fan discharges air in the air box, so that negative pressure is generated in the air box, outside air is rapidly pumped into the air box from the air inlet pipes on two sides, and flowing air passes through the probe of the combustible gas detector, so that the detection efficiency and accuracy of the combustible gas detector are improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a bottom perspective view of the detection unit and the walking unit in accordance with the first embodiment of the present invention;
FIG. 3 is a perspective view of a detecting unit according to a first embodiment of the present invention;
FIG. 4 is a perspective view of a walking unit according to a first embodiment of the present invention;
FIG. 5 is an exploded view of a travel unit according to a first embodiment of the present invention;
FIG. 6 is a bottom view of the housing in accordance with the first embodiment of the invention;
FIG. 7 is a perspective view of a roller in accordance with one embodiment of the present invention;
FIG. 8 is a cross-sectional view of a detection unit in accordance with a first embodiment of the present invention;
FIG. 9 is an exploded view of a detection unit according to a first embodiment of the present invention;
FIG. 10 is a perspective view of an air tank according to an embodiment of the present invention;
FIG. 11 is a perspective view of a platen and a spacer plate in accordance with an embodiment of the present invention;
FIG. 12 is a perspective view of a second embodiment of the present invention;
in the figure: 1. a protective box body; 2. a flammable gas detector; 3. a housing; 4. a first large arm; 5. a second large arm; 6. a first oil cylinder; 7. a second oil cylinder; 8. an electric push rod; 9. a trapezoid rubber block; 10. a first spring; 11. a mounting groove; 12. a roller; 13. an adjustment tank; 14. a slide block; 15. a second spring; 16. a strip-shaped sucker; 17. an air tank; 18. an air extracting pump; 19. an air box; 20. an air inlet pipe; 21. an air outlet pipe; 22. an exhaust fan; 23. a detection hole; 24. a rubber sealing plug; 25. a vertical screw; 26. a pressing plate; 27. a chute; 28. a partition plate; 29. panoramic camera.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Example 1
As shown in fig. 1 to 5, a natural gas conveying pipeline detection device according to an embodiment of the present invention includes a detection unit and a traveling unit; the two ends of the detection unit are provided with walking units; the detection unit comprises a protection box body 1; the inside of the protective box body 1 is provided with a combustible gas detector 2; the walking unit comprises a housing 3; the two sides of the shell 3 are hinged with a first big arm 4, one end of the first big arm 4 far away from the shell 3 is hinged with a second big arm 5, the inner walls of the first big arm 4 and the second big arm 5 are in contact fit with the outer wall of a natural gas conveying pipeline, the two sides of the shell 3 are hinged with a pair of first oil cylinders 6, the pair of first oil cylinders 6 are positioned at the two sides of the first big arm 4, the end part of a piston rod of the first oil cylinder 6 is hinged with the middle part of the first big arm 4, the top surface of the middle part of the first big arm 4 is hinged with a second oil cylinder 7, the top end of the second big arm 5 at the end part of the piston rod of the second oil cylinder 7 is hinged, an electric push rod 8 is arranged in the shell 3, and the end part of a sliding rod of the electric push rod 8 is hinged with the outer wall of the protective box 1; during operation, a detection person places the detection device on the outer wall of the natural gas conveying pipeline, so that the shell 3 of the walking unit is attached to the top outer wall of the natural gas conveying pipeline, the first oil cylinders 6 at two ends push the first large arm 4 to rotate downwards, meanwhile, the second oil cylinders 7 push the second large arm 5 to rotate downwards, so that the first large arm 4 and the second large arm 5 are extruded to be attached to the outer wall of the natural gas conveying pipeline, the walking units at two ends are tightly attached to the natural gas conveying pipeline to be fixed, and the detection device is fixed on the outer side of the natural gas conveying pipeline; when the detection is carried out, the walking unit at one end of the natural gas conveying pipeline in the direction to be detected loosens the natural gas conveying pipeline, the first oil cylinder 6 pulls the first large arm 4 to rotate upwards, the second oil cylinder 7 drives the second large arm 5 to rotate upwards, so that the first large arm 4 and the second large arm 5 loosen the natural gas conveying pipeline, and the walking unit at the end loosens the natural gas conveying pipeline; the electric push rods 8 at the two ends extend to push the loosened walking unit and the detection unit to move along the natural gas conveying pipeline; after the electric push rod 8 extends to a set stroke, the loosened walking unit is used for tightly holding and fixing the natural gas conveying pipeline, then the walking unit at the other end is used for loosening the natural gas conveying pipeline, meanwhile, the electric push rod 8 at the two ends is contracted, and the walking unit at the tail end and the detection unit are pulled to move, so that the detection device is moved along the natural gas conveying pipeline; when the detection device moves, the combustible gas detector 2 detects the air around the natural gas conveying pipeline, and the detected result is transmitted to the terminal of the ground staff in real time, so that the detection work of the staff is facilitated, and the detection accuracy is improved.
As shown in fig. 2, 4 and 5, the inner walls of the first large arm 4 and the second large arm 5 are uniformly and fixedly connected with a plurality of trapezoid rubber blocks 9, and the outer walls of the trapezoid rubber blocks 9 are provided with anti-skid lines; through the trapezoidal rubber piece 9 that sets up, when the big arm 4 of No. one and the big arm 5 of No. two contact natural gas pipeline's outer wall, extrusion trapezoidal rubber piece 9 for trapezoidal rubber piece 9 flattens the outer wall of laminating natural gas pipeline, has improved the area of contact with natural gas pipeline, has increased frictional force, thereby has improved the stability and the firmness of walking unit centre gripping natural gas pipeline, has reduced the probability that takes place to drop when detection device removes along natural gas pipeline.
As shown in fig. 4 to 5, the electric push rod 8 is rotatably connected with one side of the protective box body 1 far away from the protective box body 1, and a first spring 10 is fixedly connected between two sides of the electric push rod 8 and the inner wall of the protective box body 1; when the detection device moves to a bending position along a natural gas conveying pipeline, the traveling unit of the head part rotates along the bending position, the electric push rod 8 rotates at the moment, the spring 10 on one side is compressed, the spring 10 on the other side is stretched, when the detection device moves to the straight natural gas conveying pipeline, the spring 10 is reset, the electric push rod 8 is pushed to reset, and therefore the detection device is convenient to pass through the bent natural gas conveying pipeline, and the application range of the detection device is improved.
As shown in fig. 2, 5, 6 and 7, the inner wall of the housing 3 is uniformly provided with a plurality of mounting grooves 11, rollers 12 are rotatably mounted in the mounting grooves 11, and the outer rings of the rollers 12 are in sliding fit with the outer wall of the natural gas conveying pipeline; when the walking unit moves along the natural gas conveying pipeline in operation, the rollers 12 are attached to the natural gas conveying pipeline to roll, and efficiency of the walking unit during movement is improved.
As shown in fig. 6 to 7, adjusting grooves 13 are formed on two sides of the mounting groove 11, a sliding block 14 is slidably mounted in the adjusting groove 13, the middle of the sliding block 14 is rotatably connected with a rotating shaft of the roller 12, and a second spring 15 is fixedly connected between the top surface of the sliding block 14 and the top surface of the adjusting groove 13; when the walking unit is tightly held by the natural gas conveying pipeline in operation, the shell 3 is driven to be attached to the outer wall of the natural gas conveying pipeline, the roller 12 slides into the mounting groove 11, the slide block 14 is driven to slide upwards at the temporal part of the adjusting groove 13, the second spring 15 is compressed, and therefore the influence of the roller 12 on the tightly held natural gas conveying pipeline of the walking unit is reduced; when the travelling unit moves along the natural gas conveying pipeline, the travelling unit loosens the natural gas conveying pipeline, the second spring 15 resets, the sliding block 14 is pushed to slide downwards, the rollers 12 are driven to slide from the inside of the mounting groove 11, the rollers 12 are attached to the outer wall of the natural gas conveying pipeline, the efficiency of the travelling unit during movement is improved, and the stability of the travelling unit during movement is improved.
As shown in fig. 2, 8 and 9, the bottom surface of the protection box body 1 is uniformly and fixedly connected with a plurality of strip-shaped suckers 16, the bottom surface of the strip-shaped suckers 16 is in contact fit with the outer wall of the natural gas conveying pipeline, an air groove 17 is formed in the bottom wall of the protection box body 1, the bottom of the air groove 17 is communicated with the inside of the strip-shaped suckers 16, an air pump 18 is fixedly connected to the bottom surface of the inside of the protection box body 1, and an air inlet of the air pump 18 is connected with the air groove 17; when the detection device is fixed on a natural gas conveying pipeline in operation, the protective box body 1 is attached to the outer wall of the natural gas conveying pipeline, the long-strip-shaped sucker 16 adsorbs the outer wall of the natural gas conveying pipeline, and meanwhile, the air pump 18 pumps out air inside the long-strip-shaped sucker 16 through the air groove 17, so that the firmness of the protective box body 1 fixed on the natural gas conveying pipeline is improved.
As shown in fig. 8 to 9, the middle part of the protection box 1 is fixedly connected with an air box 19, both sides of the air box 19 are fixedly connected with an air inlet pipe 20, the air inlet pipe 20 is communicated with the inside of the air box 19, one end of the air inlet pipe 20, which is far away from the air box 19, is communicated with through holes on both sides of the protection box 1, the top surface of the protection box 1 is fixedly connected with an air outlet pipe 21, the air outlet pipe 21 is communicated with the inside of the air box 19, the top of the air outlet pipe 21 penetrates through the top wall of the protection box 1, the inside of the air outlet pipe 21 is fixedly connected with an exhaust fan 22, one surface of the air box 19 is uniformly provided with a plurality of detection holes 23, the inside of one detection hole 23 is in sliding connection with a probe of the combustible gas detector 2, and the inside of the rest detection holes 23 is in sliding fit with a rubber sealing plug 24; when the detecting device moves along the natural gas conveying pipeline, the exhaust fan 22 discharges air in the air box 19, negative pressure is generated in the air box 19, outside air is rapidly pumped into the air box 19 from the air inlet pipes 20 on two sides, and flowing air passes through the probe of the combustible gas detector 2, so that the detecting efficiency and accuracy of the combustible gas detector 2 are improved.
As shown in fig. 8, 9 and 11, a plurality of vertical screws 25 are fixedly connected to one side, far away from the air pump 18, of the protective box body 1, a pressing plate 26 is slidably arranged on the outer ring of each vertical screw 25, a nut is arranged on the outer ring of the top of each vertical screw 25 in a threaded manner, and the bottom surface of each pressing plate 26 is in extrusion fit with the top wall of the flammable gas detector 2; the pressing plate 26 is fixedly locked on the vertical screw rod 25 through the nut, and the combustible gas detector 2 is tightly fixed at the bottom of the protective box body 1, so that the firmness and the safety of the combustible gas detector 2 are improved; meanwhile, the layered fixed installation of various detectors is convenient for workers, so that the application range of the detection device is improved.
As shown in fig. 11, a chute 27 is formed in the middle of the pressing plate 26, a plurality of partition plates 28 are slidably mounted in the chute 27, the side walls of the partition plates 28 are in contact with the side surfaces of the flammable gas detector 2, and locking screws are mounted on protruding threads on two sides of the partition plates 28; the baffle 28 of both sides slides along spout 27, with flammable gas detector 2 centre gripping, utilizes locking screw to lock baffle 28 fixedly, has improved flammable gas detector 2's installation firm degree, the staff of being convenient for installs multiple detector simultaneously.
Example two
As shown in fig. 12, a comparative example one, in which another embodiment of the present invention is: one side of the shell 3, which is far away from the protective box body 1, is provided with a panoramic camera 29; the staff observes the external actual condition of natural gas transfer pipeline through panoramic camera 29 to the staff of being convenient for in time takes place natural gas transfer pipeline's potential danger.
Working principle: the method comprises the steps of installing a combustible gas detector 2 into the protective shell 1, inserting a probe of the combustible gas detector 2 into one detection hole 23 of an air box 19, sleeving a pressing plate 26 on the outer side of a vertical screw 25, fixedly locking the pressing plate 26 on the vertical screw 25 by using a nut, and tightly pressing and fixing the combustible gas detector 2 at the bottom of the protective shell 1; pushing the partition plates 28 on two sides to slide along the sliding grooves 27, clamping the flammable gas detector 2, and locking and fixing the partition plates 28 by using locking screws;
the detection personnel place the detection device on the outer wall of the natural gas conveying pipeline, so that the shell 3 of the walking unit is attached to the outer wall of the top of the natural gas conveying pipeline, the first oil cylinders 6 at the two ends push the first large arm 4 to rotate downwards, meanwhile, the second oil cylinders 7 push the second large arm 5 to rotate downwards, so that the first large arm 4 and the second large arm 5 are extruded to be attached to the outer wall of the natural gas conveying pipeline, the walking units at the two ends are tightly held by the natural gas conveying pipeline to be fixed, and the detection device is fixed on the outer side of the natural gas conveying pipeline;
when the detection is carried out, the walking unit at one end of the natural gas conveying pipeline in the direction to be detected loosens the natural gas conveying pipeline, the first oil cylinder 6 pulls the first large arm 4 to rotate upwards, the second oil cylinder 7 drives the second large arm 5 to rotate upwards, so that the first large arm 4 and the second large arm 5 loosen the natural gas conveying pipeline, and the walking unit at the end loosens the natural gas conveying pipeline; the electric push rods 8 at the two ends extend to push the loosened walking unit and the detection unit to move along the natural gas conveying pipeline; after the electric push rod 8 extends to a set stroke, the loosened walking unit is used for tightly holding and fixing the natural gas conveying pipeline, then the walking unit at the other end is used for loosening the natural gas conveying pipeline, meanwhile, the electric push rod 8 at the two ends is contracted, and the walking unit at the tail end and the detection unit are pulled to move, so that the detection device is moved along the natural gas conveying pipeline; simultaneously, air in the air tank 19 is discharged by the exhaust fan 22, so that negative pressure is generated in the air tank 19, outside air is rapidly pumped into the air tank 19 from the air inlet pipes 20 at two sides, flowing air passes through the probes of the combustible gas detector 2, the combustible gas detector 2 detects the air, and the detected result is transmitted to the terminal of a ground worker in real time, so that the detection work of the worker is facilitated, and the detection accuracy is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a natural gas conveying pipeline detection device which characterized in that: comprises a detection unit and a walking unit; the two ends of the detection unit are provided with walking units; the detection unit comprises a protective box body (1); a combustible gas detector (2) is arranged in the protective box body (1);
the walking unit comprises a housing (3); the utility model discloses a big arm (4) of shell (3), the one end that shell (3) was kept away from to big arm (4) is articulated to have No. two big arms (5), the inner wall and the outer wall contact cooperation of natural gas delivery pipeline of big arm (5) No. one big arm (4), the both sides of shell (3) all articulate have No. one hydro-cylinder (6), a pair of No. one hydro-cylinder (6) are located the both sides of big arm (4), the piston rod tip of No. one hydro-cylinder (6) is articulated with the middle part of big arm (4), the middle part top surface of big arm (4) articulates there is No. two hydro-cylinders (7), the top of big arm (5) of piston rod tip No. two of No. hydro-cylinder (7), the inside of shell (3) is provided with electric putter (8), the slide bar tip of electric putter (8) is articulated with the outer wall of protection box (1).
2. A natural gas transportation pipeline inspection device according to claim 1, wherein: a plurality of trapezoid rubber blocks (9) are uniformly and fixedly connected to the inner walls of the first large arm (4) and the second large arm (5), and anti-skid lines are formed in the outer walls of the trapezoid rubber blocks (9).
3. A natural gas transportation pipeline inspection device according to claim 1, wherein: the electric push rod (8) is rotationally connected with one side, far away from the protective box body (1), of the protective box body (1), and a number one spring (10) is fixedly connected between the two sides of the electric push rod (8) and the inner wall of the protective box body (1).
4. A natural gas transportation pipeline inspection device according to claim 1, wherein: a plurality of mounting grooves (11) are uniformly formed in the inner wall of the shell (3), rollers (12) are rotatably mounted in the mounting grooves (11), and the outer rings of the rollers (12) are in sliding fit with the outer wall of the natural gas conveying pipeline.
5. The natural gas delivery pipeline inspection device of claim 4, wherein: the utility model discloses a motor vehicle, including mounting groove (11), adjusting groove (13) have all been seted up to both sides of mounting groove (11), the inside slidable mounting of adjusting groove (13) has slider (14), the middle part of slider (14) is connected with the pivot rotation of gyro wheel (12), rigid coupling has No. two springs (15) between the top surface of slider (14) and the top surface of adjusting groove (13).
6. A natural gas transportation pipeline inspection device according to claim 1, wherein: the bottom surface of protection box (1) evenly rigid coupling has a plurality of rectangular shape sucking discs (16), the bottom surface of rectangular shape sucking disc (16) and natural gas pipeline's outer wall contact cooperation, air groove (17) have been seted up to the diapire inside of protection box (1), the bottom of air groove (17) and the inside intercommunication of rectangular shape sucking disc (16), the inside bottom surface rigid coupling of protection box (1) has aspiration pump (18), the air inlet of aspiration pump (18) links ventilation groove (17).
7. A natural gas transportation pipeline inspection device according to claim 1, wherein: the middle part rigid coupling of protection box (1) has air tank (19), the both sides of air tank (19) all rigid coupling has intake pipe (20), and the inside of intake pipe (20) intercommunication air tank (19), the one end intercommunication protection box (1) of air tank (19) is kept away from to intake pipe (20), the top surface rigid coupling of protection box (1) has outlet duct (21), and the inside of outlet duct (21) intercommunication air tank (19), the roof of protection box (1) is run through at the top of outlet duct (21), the inside rigid coupling of outlet duct (21) has air fan (22), a plurality of detection holes (23) have evenly been seted up to the one side of air tank (19), the inside of one of them detection hole (23) and the probe sliding connection of combustible gas physical examination appearance (2), the rest the inside slidable mounting of detection hole (23) has rubber sealing plug (24).
8. The natural gas delivery pipeline inspection device of claim 7, wherein: one side rigid coupling that aspiration pump (18) was kept away from to protective housing (1) has a plurality of vertical screw rods (25), a plurality of outer lane slidable mounting of vertical screw rods (25) has clamp plate (26), nut is installed to the top outer lane screw thread of vertical screw rods (25), the bottom surface of clamp plate (26) and the roof extrusion cooperation of combustible gas detector (2).
9. The natural gas delivery pipeline inspection device of claim 8, wherein: the middle part of clamp plate (26) has seted up spout (27), the inside slidable mounting of spout (27) has a plurality of baffles (28), the lateral wall of baffle (28) and the side contact of combustible gas detector (2), locking screw is installed to the protruding screw thread in both sides of baffle (28).
10. A natural gas transportation pipeline inspection device according to claim 1, wherein: one side of the shell (3) far away from the protective box body (1) is provided with a panoramic camera (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310283134.8A CN116379355A (en) | 2023-03-21 | 2023-03-21 | Natural gas conveying pipeline detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310283134.8A CN116379355A (en) | 2023-03-21 | 2023-03-21 | Natural gas conveying pipeline detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116379355A true CN116379355A (en) | 2023-07-04 |
Family
ID=86972427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310283134.8A Pending CN116379355A (en) | 2023-03-21 | 2023-03-21 | Natural gas conveying pipeline detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116379355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570379A (en) * | 2023-11-29 | 2024-02-20 | 蠡县虓志燃气有限公司 | Tightness detection device for natural gas pipeline |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101259494B1 (en) * | 2012-11-09 | 2013-05-06 | 주식회사 엔티리서치 | Travelling robot moving along outer surface of pipe and control method thereof |
| WO2020154619A2 (en) * | 2019-01-25 | 2020-07-30 | MultiSensor Scientific, Inc. | Systems and methods for leak monitoring via measurement of optical absorption using tailored reflector installments |
| CN112178466A (en) * | 2020-09-30 | 2021-01-05 | 安徽赛安安全设备有限责任公司 | Pipeline outside gas leakage detection device |
| CN212646576U (en) * | 2020-05-18 | 2021-03-02 | 南京华宝工程检测有限公司 | Phased array ultrasonic imaging detector for nondestructive testing of natural gas pipeline |
| CN113358740A (en) * | 2021-06-07 | 2021-09-07 | 徐州工程学院 | Pulse eddy current detection device and method for corrosion defects of outer wall of pipeline |
| CN214893181U (en) * | 2021-06-25 | 2021-11-26 | 南通正特检测服务有限公司 | Pressure pipeline wall thickness detection device of detecting a flaw |
| CN216383638U (en) * | 2021-12-23 | 2022-04-26 | 杨金梅 | Gas pipeline monitoring early warning valve |
| US20220176736A1 (en) * | 2020-12-03 | 2022-06-09 | Saudi Arabian Oil Company | Two-wheel compact inspection crawler with automatic probe normalization |
| CN216715595U (en) * | 2021-11-12 | 2022-06-10 | 安徽宝顺市政工程有限公司 | Municipal drainage pipeline detects prosthetic devices |
| CN114857505A (en) * | 2022-04-01 | 2022-08-05 | 康敬沅 | Natural gas pipeline carries gas leakage detection device |
| CN217901708U (en) * | 2022-08-15 | 2022-11-25 | 西安石油大学 | Oil gas pipeline girth weld detects probe strutting arrangement |
| CN115539833A (en) * | 2022-08-02 | 2022-12-30 | 四川君逸数联科技有限公司 | Underground pipe gallery intelligent detection alarm system based on artificial intelligence |
-
2023
- 2023-03-21 CN CN202310283134.8A patent/CN116379355A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101259494B1 (en) * | 2012-11-09 | 2013-05-06 | 주식회사 엔티리서치 | Travelling robot moving along outer surface of pipe and control method thereof |
| WO2020154619A2 (en) * | 2019-01-25 | 2020-07-30 | MultiSensor Scientific, Inc. | Systems and methods for leak monitoring via measurement of optical absorption using tailored reflector installments |
| CN212646576U (en) * | 2020-05-18 | 2021-03-02 | 南京华宝工程检测有限公司 | Phased array ultrasonic imaging detector for nondestructive testing of natural gas pipeline |
| CN112178466A (en) * | 2020-09-30 | 2021-01-05 | 安徽赛安安全设备有限责任公司 | Pipeline outside gas leakage detection device |
| US20220176736A1 (en) * | 2020-12-03 | 2022-06-09 | Saudi Arabian Oil Company | Two-wheel compact inspection crawler with automatic probe normalization |
| CN113358740A (en) * | 2021-06-07 | 2021-09-07 | 徐州工程学院 | Pulse eddy current detection device and method for corrosion defects of outer wall of pipeline |
| CN214893181U (en) * | 2021-06-25 | 2021-11-26 | 南通正特检测服务有限公司 | Pressure pipeline wall thickness detection device of detecting a flaw |
| CN216715595U (en) * | 2021-11-12 | 2022-06-10 | 安徽宝顺市政工程有限公司 | Municipal drainage pipeline detects prosthetic devices |
| CN216383638U (en) * | 2021-12-23 | 2022-04-26 | 杨金梅 | Gas pipeline monitoring early warning valve |
| CN114857505A (en) * | 2022-04-01 | 2022-08-05 | 康敬沅 | Natural gas pipeline carries gas leakage detection device |
| CN115539833A (en) * | 2022-08-02 | 2022-12-30 | 四川君逸数联科技有限公司 | Underground pipe gallery intelligent detection alarm system based on artificial intelligence |
| CN217901708U (en) * | 2022-08-15 | 2022-11-25 | 西安石油大学 | Oil gas pipeline girth weld detects probe strutting arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 林俊明等: "电磁无损检测集成技术及云检测/监测", 31 July 2021, 机械工业出版社, pages: 127 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117570379A (en) * | 2023-11-29 | 2024-02-20 | 蠡县虓志燃气有限公司 | Tightness detection device for natural gas pipeline |
| CN117570379B (en) * | 2023-11-29 | 2024-03-12 | 蠡县虓志燃气有限公司 | Tightness detection device for natural gas pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116379355A (en) | Natural gas conveying pipeline detection device | |
| CN108532732B (en) | Anti-blocking inspection well cover | |
| CN107884540A (en) | Sampling of water quality detection means is used in a kind of environmental protection | |
| CN213749651U (en) | Pipeline outer wall inspection robot | |
| CN208743274U (en) | A kind of pipeline cleaning device | |
| CN112483767A (en) | Urban underground drainage pipe network detection device and detection method thereof | |
| CN112502976A (en) | Vacuum system for high-end photovoltaic module production and vacuumizing process thereof | |
| CN115808111B (en) | Communication cable length measuring instrument | |
| CN215166275U (en) | Drainage device for highway pavement engineering | |
| CN206905409U (en) | It is dried in vacuo cooling device | |
| CN112161202B (en) | Walking type large-scale pipeline detection device | |
| CN213954696U (en) | Pipeline inner wall inspection robot | |
| CN210597510U (en) | Garbage cleaning device convenient for dredging sewer | |
| CN112283438B (en) | Multifunctional valve of petroleum equipment | |
| CN110412031B (en) | Snake type pipeline sludge detection robot | |
| CN206537852U (en) | A kind of sludge lifting apparatus | |
| CN208545826U (en) | A kind of rotation Accrete clearing device applied to municipal drainage pipeline | |
| CN209654030U (en) | A kind of booster-type path drifting machine of the replaceable jack rabbit device of band | |
| CN112974426A (en) | Crack detection device in high-pressure high-temperature pipeline | |
| CN219914771U (en) | Compressed air pipeline leakage detection device | |
| CN217830537U (en) | Oil gas warehousing and transportation pipeline anticorrosion structure | |
| CN216715666U (en) | Municipal administration road water supply and drainage pipeline antiseep detection device | |
| CN219975694U (en) | Corrosion-resistant high-tightness exhaust air pipe | |
| CN115452175B (en) | Pipeline temperature detection device for natural gas sub-station | |
| CN219532708U (en) | Pressure pipeline's detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |