CN115325449B - Monitoring device for natural gas pipeline replacement operation - Google Patents
Monitoring device for natural gas pipeline replacement operation Download PDFInfo
- Publication number
- CN115325449B CN115325449B CN202210752276.XA CN202210752276A CN115325449B CN 115325449 B CN115325449 B CN 115325449B CN 202210752276 A CN202210752276 A CN 202210752276A CN 115325449 B CN115325449 B CN 115325449B
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- Prior art keywords
- fixedly connected
- pipe
- ring
- box body
- plate
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003345 natural gas Substances 0.000 title claims abstract description 40
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 6
- 239000007789 gas Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004781 supercooling Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 12
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of natural gas construction, in particular to a monitoring device for natural gas pipeline replacement operation, which adopts the following scheme that the monitoring device comprises a box body, wherein the top of the box body is fixedly connected with two groups of side baffles, a connecting mechanism which is arranged between the two groups of side baffles and movably sleeved with the top of the box body, a detecting component which is connected with the top of the connecting mechanism, a partition board fixedly connected in the box body, heating components which are arranged on one side of the partition board and are distributed in sequence along the vertical direction, and connecting pipes are fixedly connected between the adjacent heating components. According to the invention, the connection position of the detection device can be adjusted according to the position of the natural gas replacement pipeline, the detection device can be quickly in butt joint with the natural gas flange, the flange can be sealed, pressed and locked, the connection installation efficiency is improved, the replacement gas can be heated and regulated, the temperature and pressure of the replacement gas are ensured to be kept within a certain range, the breakage of the replacement natural gas pipeline caused by gas supercooling is avoided, and the safe and stable replacement operation is ensured.
Description
Technical Field
The invention relates to the technical field of natural gas construction, in particular to a monitoring device for natural gas pipeline replacement operation.
Background
In the process of large-scale fire operation of the natural gas pipeline, nitrogen replacement operation is required to be carried out on the natural gas in the pipeline so as to ensure the safety of the pipeline during the fire operation; the gas in the pipeline is generally replaced by nitrogen, if the temperature and the air pressure of the replaced nitrogen are not controlled during replacement, natural gas replacement operation is unstable, and meanwhile, the gas is too low, so that the natural gas pipeline can be frozen and broken to cause replacement accidents, and therefore a monitoring device for the natural gas pipeline replacement operation is needed.
Disclosure of Invention
The monitoring device for the natural gas pipeline replacement operation solves the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The monitoring device for the natural gas pipeline replacement operation comprises a box body, wherein two groups of side baffles are fixedly connected to the top of the box body, a connecting mechanism which is movably sleeved with the top of the box body and is arranged between the two groups of side baffles, a detection assembly which is connected with the top of the connecting mechanism, a partition board fixedly connected in the box body, heating assemblies which are sequentially distributed on one side of the partition board along the vertical direction, and connecting pipes are fixedly connected between the adjacent heating assemblies;
The detection assembly comprises a main pipe connected with the connecting mechanism, a secondary pipe sleeved on the outer ring of the main pipe in a sliding manner, a blocking plate fixedly connected to the outer ring of the end part of the secondary pipe, an annular plate fixedly sleeved on the outer ring of the blocking plate and having a hollow structure, and a housing of an annular structure sleeved on the outer ring of the annular plate in a sliding manner and sleeved on the outer ring of the secondary pipe in a sliding manner, wherein locking units distributed along the axis of the annular plate are arranged in the annular plate.
Preferably, the locking unit comprises a pushing ring of an annular structure which is in sliding sleeve connection with the inside of the annular plate, a compressing block which is arranged on one side of the pushing ring and is in sliding connection with the annular plate, a guide plate which is fixedly connected with the pushing ring and is arranged on one side of the compressing block, a guide groove which is formed in the guide plate, a push plate which is fixedly connected with the pushing ring and is arranged on the other side of the compressing block, a pushing rod which is arranged on the push plate and is fixedly connected with the compressing block, a stirring rod which is fixedly connected with one end of the compressing block extending into the annular plate, and a locking block which is fixedly connected with one end of the stirring rod extending into the mounting groove, wherein one end of the compressing block extending into the inside of the annular plate is hinged with a first pull rod, the other end of the pull rod is movably sleeved with an adjusting shaft, a second pull rod which is hinged with the inner side wall of the annular plate is movably sleeved with the adjusting shaft, one side of the pushing ring, which is far away from the guide plate, is fixedly connected with a pushing rod which is fixedly connected with the annular plate, and the housing after the pushing rod extends out of the annular plate.
Preferably, the adjusting shaft is slidably connected with the guide groove, and the guide groove comprises an extrusion groove which is arranged on the guide plate in an inclined mode, a first retaining groove which is arranged at one end of the extrusion groove, and a second retaining groove which is arranged at the other end of the extrusion groove.
Preferably, the outer ring of the housing is fixedly connected with a first push rod motor connected with the outer ring of the annular plate, and the outer ring of the auxiliary pipe is fixedly connected with a second push rod motor connected with the outer ring of the main pipe.
Preferably, the inner ring of the annular plate is provided with an extending hole which is arranged along the length direction of the inner ring and is communicated with the inside of the annular plate, the extending hole is in sliding sleeve joint with the compression block, one side, far away from the locking block, of the poking rod is fixedly connected with a first spring fixedly connected with the inner side wall of the mounting groove, the main pipe is provided with a valve, and one side, close to the auxiliary pipe, of the valve is provided with an exhaust pipe.
Preferably, the connecting mechanism comprises an air supply pipe movably sleeved with the top of the box body, one end of the air supply pipe extending into the box body is movably sleeved with a topmost heating component, an outer ring of one end of the air supply pipe extending out of the top of the box body is fixedly sleeved with a gear ring I, the outer side of the gear ring I is meshed with a gear I, an inner ring of the gear I is fixedly sleeved with a rotating shaft I, the bottom of the rotating shaft I is fixedly connected with a motor I fixedly connected with the top of the box body, the top of the air supply pipe is rotationally connected with a swinging pipe which is communicated with a main pipe in an L-shaped structure, an outer ring of the swinging pipe is fixedly sleeved with a gear ring II, the outer side of the gear ring II is meshed with a gear II, an inner ring of the gear II is fixedly sleeved with a rotating shaft II, and the rotating shaft II is fixedly connected with a motor II fixedly connected with the air supply pipe.
Preferably, the heating element includes the insulation can of rectangular shape hollow structure with box rigid coupling, the internally mounted of insulation can has the heating pipe, insulation can and connecting pipe intercommunication, the outside of heating pipe outer lane and insulation can all rigid coupling has heat conduction fin, the box runs through has the discharge channel, discharge channel one side opening part installs the exhaust fan, temperature sensor and pressure sensor are all installed to the inside of insulation can and person in charge, the intake pipe with the baffle rigid coupling is installed to one side of bottommost insulation can, the air pipe joint that is used for the gas pitcher to connect is installed to the one end that the intake pipe stretches out the baffle.
Preferably, a sealing ring of an annular structure coaxially arranged with the blocking plate is fixedly connected to one side of the blocking plate, which is far away from the main pipe.
In the present invention,
Through box, side shield, coupling mechanism, detection subassembly, the baffle, heating element, the connecting pipe, be responsible for, the accessory tube, the barrier plate, the housing, the annular slab, the push ring, the push rod, the compact heap, the guide board, the push pedal, the guide slot, the interference piece, the mounting groove, the latch segment, the poking rod, pull rod one, the regulating spindle, pull rod two, the exhaust tube, hold-down slot one, extrusion groove and hold-down slot two, make this design can be according to the position of natural gas replacement pipeline, adjust detection device hookup location, dock with natural gas flange dish fast and install, can seal the locking of compressing tightly, improve connection installation effectiveness, can heat the pressure regulating to replacement gas, ensure that replacement gas temperature pressure keeps in certain scope, avoid gas supercooling to lead to the replacement to break with the natural gas pipeline, ensure that replacement operation safety and stability.
Drawings
FIG. 1 is a schematic diagram of a monitoring device for natural gas pipeline replacement according to the present invention;
FIG. 2 is a schematic diagram of a detection assembly of a monitoring device for natural gas pipeline replacement according to the present invention;
FIG. 3 is a schematic view of a partially enlarged structure of a monitoring device for natural gas pipeline replacement according to the present invention;
FIG. 4 is a schematic diagram of the push ring of the monitoring device for natural gas pipeline replacement according to the present invention;
Fig. 5 is a schematic structural diagram of a guide plate of a monitoring device for a natural gas pipeline replacement operation according to the present invention.
In the figure: the device comprises a box body 1, a side baffle plate 2, a connecting mechanism 3, a detecting component 4, a partition plate 5, a heating component 6, a connecting pipe 7, a main pipe 41, a subsidiary pipe 42, a blocking plate 43, a housing 44, an annular plate 45, a pushing ring 46, a pushing rod 47, a compressing block 48, a guiding plate 49, a pushing plate 410, a guiding groove 412, a pressing block 413, a mounting groove 414, a locking block 415, a poking rod 416, a pulling rod 417, a regulating shaft 418, a pulling rod 419, a suction pipe 420, a holding groove 4121, a pressing groove 4122 and a holding groove 4123.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a monitoring device for natural gas pipeline replacement operation comprises a box body 1, wherein two groups of side baffles 2 are fixedly connected to the top of the box body 1, a connecting mechanism 3 which is movably sleeved with the top of the box body 1 and is arranged between the two groups of side baffles 2, a detection assembly 4 which is connected with the top of the connecting mechanism 3, a partition board 5 which is fixedly connected inside the box body 1, heating assemblies 6 which are arranged on one side of the partition board 5 and are distributed in sequence along the vertical direction, and connecting pipes 7 which are fixedly connected between the adjacent heating assemblies 6;
Further, the detecting assembly 4 comprises a main pipe 41 connected with the connecting mechanism 3, a secondary pipe 42 sleeved on the outer ring of the main pipe 41 in a sliding manner, a blocking plate 43 fixedly connected to the outer ring of the end part of the secondary pipe 42 extending out of the main pipe 41, an annular plate 45 fixedly sleeved on the outer ring of the blocking plate 43, and a housing 44 sleeved on the outer ring of the annular plate 45 in a sliding manner and sleeved on the outer ring of the secondary pipe 42 in a sliding manner, wherein locking units distributed along the axis of the annular plate 45 are arranged in the annular plate.
Specifically, the locking unit includes a pushing ring 46 of an annular structure in sliding connection with the inside of the annular plate 45, a compressing block 48 arranged on one side of the pushing ring 46 and in sliding connection with the annular plate 45, a guide plate 49 fixedly connected with the pushing ring 46 and arranged on one side of the compressing block 48, a guide groove 412 arranged on the guide plate 49, a push plate 410 fixedly connected with the pushing ring 46 and arranged on the other side of the compressing block 48, a supporting block 413 arranged on the push plate 410, a mounting groove 414 arranged on one side of the compressing block 48 and extending into the annular plate 45, a poking rod 416 in sliding connection with the mounting groove 414, a locking block 415 fixedly connected with one end of the poking rod 416 extending into the mounting groove 414, a pull rod 417 is hinged to one end of the compressing block 48 extending into the annular plate 45, an adjusting shaft 418 is movably sleeved on the other end of the pull rod 417, a push rod 47 hinged to the inner side wall of the annular plate 45 is movably sleeved on the outer ring of the adjusting shaft 418, a push rod 47 fixedly connected with one side of the pushing ring 46 far away from the guide plate 49, and the push rod 47 fixedly connected with the annular plate 45 is fixedly connected with the housing 44.
In particular, the adjusting shaft 418 is slidably connected to the guide groove 412, and the guide groove 412 includes a pressing groove 4122 provided obliquely on the guide plate 49, a holding groove one 4121 provided at one end of the pressing groove 4122, and a holding groove two 4123 provided at the other end of the pressing groove 4122.
It should be noted that, the outer ring of the housing 44 is fixedly connected with a first push rod motor connected with the outer ring of the annular plate 45, and the outer ring of the secondary pipe 42 is fixedly connected with a second push rod motor connected with the outer ring of the main pipe 41.
In addition, the inner ring of the annular plate 45 is provided with an extending hole which is arranged along the length direction of the annular plate and is communicated with the inside of the annular plate 45, the extending hole is in sliding sleeve joint with the compression block 48, one side, away from the locking block 415, of the poking rod 416 is fixedly connected with a first spring fixedly connected with the inner side wall of the mounting groove 414, the main pipe 41 is provided with a valve, and one side, close to the auxiliary pipe 42, of the valve is provided with an exhaust pipe 420.
Besides, the connection mechanism 3 comprises an air supply pipe movably sleeved with the top of the box body 1, one end of the air supply pipe extending into the box body 1 is movably sleeved with a topmost heating component 6, an outer ring of one end of the air supply pipe extending out of the top of the box body 1 is fixedly sleeved with a gear ring I, a gear I is meshed with the outer side of the gear ring I, a rotating shaft I is fixedly sleeved with an inner ring of the gear I, a motor I fixedly connected with the top of the box body 1 is fixedly connected with the bottom of the rotating shaft I, the top of the air supply pipe is rotationally connected with a swinging pipe with an L-shaped structure and communicated with the main pipe 41, an outer ring of the swinging pipe is fixedly sleeved with a gear ring II, a gear II is meshed with the outer side of the gear ring II, a rotating shaft II is fixedly sleeved with a motor II fixedly connected with the air supply pipe.
Still further, heating element 6 includes the insulation can with the rectangular shape hollow structure of box 1 rigid coupling, the internally mounted of insulation can has the heating pipe, insulation can and connecting pipe 7 intercommunication, the outside of heating pipe outer lane and insulation can all rigid coupling has heat conduction fin, box 1 runs through has the discharge channel, discharge channel one side opening part installs the exhaust fan, temperature sensor and pressure sensor are all installed to the inside of insulation can and being responsible for 41, the intake pipe with baffle 5 rigid coupling is installed to one side of bottommost insulation can, the air pipe joint that is used for the gas pitcher to connect is installed to the one end that the intake pipe stretches out baffle 5.
Preferably, a sealing ring with an annular structure coaxially arranged with the blocking plate 43 is fixedly connected to one side of the blocking plate 43 away from the main pipe 41.
Working principle: when the natural gas pipeline is required to be replaced, the box body 1 is moved to the end part of the natural gas inlet pipe to be replaced, and the flange plate on the natural gas pipeline is firstly in butt joint with the detection assembly 4;
In the butt joint process, a motor I on the connecting mechanism 3 is started to drive the air supply pipe to rotate along the axis direction of the air supply pipe, so that the position of the detection assembly 4 is adjusted, then a motor II is started to drive the swinging pipe to rotate, the inclined position of the detection assembly 4 is adjusted, the positions of the detection assembly 4 and the natural gas inlet pipe are adjusted, and the whole detection assembly 4 and the natural gas inlet pipe are kept parallel;
Then a push rod motor II positioned on the auxiliary pipe 42 is started, at the moment, the auxiliary pipe 42 moves relative to the length direction of the main pipe 41, then a baffle plate 43 positioned on the auxiliary pipe 42 moves towards the direction of a flange plate on the natural gas pipeline, at the moment, the flange plate stretches into an opening of the annular plate 45 and is in contact with the end part of the baffle plate 43, a sealing ring seals the flange plate, meanwhile, the inner ring of the annular plate 45 is sleeved with the outer ring of the flange plate, a sealing ring for sealing is fixedly connected with the inner ring of the annular plate 45, in order to be clamped and locked with the flange plate, at the moment, a push rod motor I is started, a housing 44 moves relative to the annular plate 45, then a push rod 47 pushes a push ring 46, when the push ring 46 moves, a guide plate 49 and a push plate 410 move along with the push ring, at the moment, an adjusting shaft 418 moves towards the axial direction of the annular plate 45 under the action of a pressing groove 4122, at the moment, a pressing block 48 moves towards the axial direction of the annular plate 45 under the action of a pull rod I417 and a pull rod II 419, at the moment, the tail end of the flange plate is pressed, then the pressing block 48 and the push plate 410 continue to move, and the pressing block 413 on the push plate pushes the push plate 413 to move towards the stirring rod 416, then moves towards the direction of the flange plate 414 and stretches out of the mounting groove 415, and stretches out of the flange plate 415, and stretches out from the mounting groove;
When the pressing and locking operation of the flange plate is completed, the exhaust pipe 420 pumps the gas between the detection component 4 and the flange plate, then a valve on a tank body for storing the gas in the tank body 1 is opened, at the moment, the cooling gas enters the heating component 6 and is heated by a heating pipe on the heating component 6, the temperature of the cooling gas is increased, the cooling gas is finally input into the detection mechanism 4 along the connecting mechanism 3, and then is conveyed into a natural gas pipeline for replacement operation, at the moment, the temperature and the pressure of the heated gas are detected by using the temperature sensor and the pressure sensor, then the constant-pressure and constant-temperature gas conveying is performed by controlling the valve and the heating pipe on the tank body, the conveyed gas temperature and the pressure are ensured to be kept within a certain range, the design can adjust the connection position of the detection device according to the position of the natural gas replacement pipeline, the butt joint installation is performed with the natural gas flange plate quickly, the sealing, the pressing and locking of the flange plate are improved, the connection installation efficiency is improved, the heating and the pressure regulation of the replacement gas temperature and the pressure are ensured to be kept within a certain range, and the natural gas pipeline for replacement operation is prevented from being supercooled.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The monitoring device for the natural gas pipeline replacement operation comprises a box body (1), and is characterized in that two groups of side baffles (2) are fixedly connected to the top of the box body (1), a connecting mechanism (3) is arranged between the two groups of side baffles (2) and movably sleeved with the top of the box body (1), a detecting component (4) is connected with the top of the connecting mechanism (3), a partition board (5) is fixedly connected inside the box body (1), heating components (6) are sequentially distributed on one side of the partition board (5) along the vertical direction, and connecting pipes (7) are fixedly connected between the adjacent heating components (6);
The detection assembly (4) comprises a main pipe (41) connected with the connecting mechanism (3), a secondary pipe (42) sleeved on the outer ring of the main pipe (41) in a sliding manner, a blocking plate (43) fixedly connected to the outer ring of the end part of the secondary pipe (42) extending out of the main pipe (41), an annular plate (45) with a hollow structure fixedly sleeved on the outer ring of the blocking plate (43), and a housing (44) with an annular structure sleeved on the outer ring of the annular plate (45) in a sliding manner and sleeved on the outer ring of the secondary pipe (42), wherein locking units distributed along the axis of the annular plate (45) are installed inside the annular plate;
The locking unit comprises a pushing ring (46) with an annular structure which is in sliding sleeve connection with the inside of the annular plate (45), a pressing block (48) which is arranged on one side of the pushing ring (46) and is in sliding connection with the annular plate (45), a guide plate (49) which is arranged on one side of the pressing block (48) and is fixedly connected with the pushing ring (46), a guide groove (412) which is arranged on the guide plate (49), a push plate (410) which is arranged on the other side of the pressing block (48) and is fixedly connected with the pushing ring (46), a supporting block (413) which is arranged on the push plate (410), a mounting groove (414) which is arranged on the pressing block (48) and is stretched into one end of the annular plate (45), a stirring rod (416) which is in sliding connection with the mounting groove (414), a locking block (415) which is fixedly connected with one end of the stirring rod (416) which is stretched into the mounting groove (414), one end of the pressing block (48) which is stretched into the inside of the annular plate (45) is hinged with a pull rod one (417), an adjusting shaft (418) which is movably sleeved on the other end of the outer ring of the adjusting shaft (418) is movably sleeved with two hinged inner side walls of the pushing ring (419) which are hinged with the inside of the annular plate (45), one side of the pushing plate (47) which is far away from the annular plate (47), the pushing rod (47) extends out of the annular plate (45) and is fixedly connected with the housing (44);
the adjusting shaft (418) is in sliding connection with the guide groove (412), and the guide groove (412) comprises an obliquely arranged extrusion groove (4122) positioned on the guide plate (49), a first holding groove (4121) arranged at one end of the extrusion groove (4122) and a second holding groove (4123) arranged at the other end of the extrusion groove (4122);
The outer ring of the housing (44) is fixedly connected with a first push rod motor connected with the outer ring of the annular plate (45), and the outer ring of the auxiliary pipe (42) is fixedly connected with a second push rod motor connected with the outer ring of the main pipe (41).
2. The monitoring device for natural gas pipeline replacement operation according to claim 1, wherein the inner ring of the annular plate (45) is provided with an extending hole which is arranged along the length direction of the inner ring and is communicated with the inside of the annular plate (45), the extending hole is in sliding sleeve joint with the compression block (48), one side, far away from the locking block (415), of the poking rod (416) is fixedly connected with a spring I fixedly connected with the inner side wall of the mounting groove (414), a main pipe (41) is provided with a valve, and one side, close to the auxiliary pipe (42), of the valve is provided with an exhaust pipe (420).
3. The monitoring device for the natural gas pipeline replacement operation according to claim 1, wherein the connecting mechanism (3) comprises an air supply pipe movably sleeved with the top of the box body (1), one end of the air supply pipe extending into the box body (1) is movably sleeved with a topmost heating component (6), an outer ring of one end of the air supply pipe extending out of the top of the box body (1) is fixedly sleeved with a gear ring I, the outer side of the gear ring I is meshed with a gear I, an inner ring of the gear I is fixedly sleeved with a rotating shaft I, the bottom of the rotating shaft I is fixedly connected with a motor I fixedly connected with the top of the box body (1), the top of the air supply pipe is rotationally connected with a swinging pipe communicated with the main pipe (41), the outer ring of the swinging pipe is fixedly sleeved with a gear ring II, the outer side of the gear ring II is meshed with a gear II, the inner ring of the gear II is fixedly sleeved with a rotating shaft II, and the rotating shaft II is fixedly connected with a motor II fixedly connected with the air supply pipe.
4. The monitoring device for natural gas pipeline replacement operation according to claim 1, wherein the heating component (6) comprises an isolation box with a strip-shaped hollow structure fixedly connected with the box body (1), a heating pipe is installed in the isolation box, the isolation box is communicated with the connecting pipe (7), heat conducting fins are fixedly connected to the outer ring of the heating pipe and the outer side of the isolation box, the box body (1) penetrates through a discharge channel, an exhaust fan is installed at an opening of one side of the discharge channel, a temperature sensor and a pressure sensor are installed in the isolation box and a main pipe (41), an air inlet pipe fixedly connected with the partition board (5) is installed at one side of the bottommost isolation box, and an air pipe joint for connecting an air tank is installed at one end of the air inlet pipe extending out of the partition board (5).
5. The monitoring device for natural gas pipeline replacement operation according to claim 1, wherein a sealing ring of an annular structure coaxially arranged with the blocking plate (43) is fixedly connected to one side of the blocking plate (43) away from the main pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210752276.XA CN115325449B (en) | 2022-06-29 | 2022-06-29 | Monitoring device for natural gas pipeline replacement operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112833335A (en) * | 2021-02-03 | 2021-05-25 | 国家管网集团川气东送天然气管道有限公司 | Natural gas line liquid nitrogen gasification system |
| CN215831354U (en) * | 2021-03-30 | 2022-02-15 | 陕西天鸿实业有限公司 | Pipeline sealing device for oil exploitation |
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| US5027842A (en) * | 1990-09-11 | 1991-07-02 | Powers Marvin D | Process for commissioning pipelines |
| DE50001805D1 (en) * | 2000-09-04 | 2003-05-22 | Knipping Daniel | Device for producing an inseparable connection between the end region of a pipe and a connecting element |
| RU2531073C2 (en) * | 2012-12-14 | 2014-10-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технический университет им. А.Н. Туполева-КАИ" (КНИТУ-КАИ) | Repair works at sections of multi-line pipelines and system to this end |
| CN111911726A (en) * | 2020-08-31 | 2020-11-10 | 厦门中井科技有限公司 | Telescopic pipe fitting and connecting pipeline |
| CN213954635U (en) * | 2020-12-01 | 2021-08-13 | 夏道东 | Electric posture adjustment gas collecting hood |
| CN216666542U (en) * | 2021-11-17 | 2022-06-03 | 安徽宏远水务科技有限公司 | Internet of things intelligent valve for preventing frost cracks of water meter and water pipe based on emptying method |
| CN216307023U (en) * | 2021-12-08 | 2022-04-15 | 云南卡亿建设工程有限公司 | Hydraulic pipeline connecting device for hydraulic engineering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112833335A (en) * | 2021-02-03 | 2021-05-25 | 国家管网集团川气东送天然气管道有限公司 | Natural gas line liquid nitrogen gasification system |
| CN215831354U (en) * | 2021-03-30 | 2022-02-15 | 陕西天鸿实业有限公司 | Pipeline sealing device for oil exploitation |
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