CN116877933A - Gas pipe network fault information monitoring and early warning system and method - Google Patents

Gas pipe network fault information monitoring and early warning system and method Download PDF

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Publication number
CN116877933A
CN116877933A CN202310930317.4A CN202310930317A CN116877933A CN 116877933 A CN116877933 A CN 116877933A CN 202310930317 A CN202310930317 A CN 202310930317A CN 116877933 A CN116877933 A CN 116877933A
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China
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pipe
piston
groups
wall
camera
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CN202310930317.4A
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CN116877933B (en
Inventor
杨军华
冶强
朱明恩
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Wuhan Gas Group Co ltd
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Wuhan Gas Group Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/005Protection or supervision of installations of gas pipelines, e.g. alarm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L43/00Bends; Siphons

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipeline Systems (AREA)

Abstract

The invention relates to the field of gas pipe networks, in particular to a gas pipe network fault information monitoring and early warning system and method, wherein the system comprises a pipeline module, an installation module, a monitoring module and a sealing module; the wall of the square hole is provided with a reinforcing sleeve; the outer pipe clamp and the inner pipe clamp are matched and clamped on the straight pipe a and the straight pipe b; the two ends of the connecting rod are respectively and rotatably connected with the outer tube clamp and the support column; the outer wall of the support column, which faces the bending pipe, is provided with a support rod, and the bottom of the support rod is provided with a connecting disc; the insertion pipe is matched and inserted into the reinforcing sleeve, and an elastic sealing element is arranged on the outer wall of the insertion pipe; the connecting rod is arranged on the outer wall of the insertion pipe, and the top of the connecting rod is connected with the connecting disc; the piston is arranged in the insertion pipe in a matching way, a lifting assembly for driving the piston to move is arranged on the connecting rod, and a camera is arranged on the piston; the sealing module is arranged in the cannula. The invention can rapidly and fixedly mount the cannula on the bent pipe. And the camera can be moved out to be overhauled under the condition that the gas is not stopped to be conveyed, so that the continuous conveying of the gas is ensured.

Description

Gas pipe network fault information monitoring and early warning system and method
Technical Field
The invention relates to the technical field of gas pipe networks, in particular to a gas pipe network fault information monitoring and early warning system and method.
Background
In order to adapt to the layout of a building and the trend of the pipeline, the pipeline is required to be bent in many places, and bending can be realized by using special pipeline processes such as hot bending, cold bending and the like. Scaling, i.e., the convex arc area of the inward bend, is likely to occur due to the slower flow velocity inside the bend. Gas bend fouling inspection typically requires a professional to periodically disassemble the removable components and then use tools such as endoscopes to evaluate the extent of fouling and determine whether cleaning or repair is required. The scale formation inspection of the inner wall of the bending part is complicated, the scale formation is difficult to discover and early warn in time, and if the scale formation is serious, the corrosion of the pipeline can be accelerated if the scale formation is not discovered and treated in time, so that the pipeline is damaged to cause gas leakage.
The Chinese patent with the publication number of CN215411423U discloses a smart gas engineering is with sensitive high-efficient wireless intelligent pressure monitor of monitoring, through the cooperation between pipeline subassembly, installation component and the monitor body, not only is convenient for install the monitor to provide very big facility for the staff, increased the leakproofness of being connected between monitor and the pipeline moreover, thereby avoided the gas leakage that appears when monitoring, and then guaranteed measuring sensitivity.
However, the above disclosed solution has the following disadvantages: can only be applicable to the installation of straight tube and use, be difficult to be applicable to the inner wall scale deposit monitoring of pipeline department of bending, and be located in the pipeline monitor body and use in a period of time in because its protrusion inserts the gas pipeline, monitor body surface scale deposit more easily, and the gas that must interrupt the gas pipe when carrying out the surface scale removal to the monitor body carries, influences the normal use of gas easily.
Disclosure of Invention
The invention aims to solve the problems that the existing monitoring equipment in the background technology is difficult to install at a pipeline bending position to realize monitoring and gas delivery needs to be stopped when the monitoring equipment is overhauled, and provides a gas pipe network fault information monitoring and early warning system and method.
On one hand, the invention provides a gas pipe network fault information monitoring and early warning system, which comprises a pipeline module, an installation module, a monitoring module and a sealing module; the pipeline module comprises a straight pipe a, a straight pipe b and a bent pipe; the mounting module comprises an outer pipe clamp, an inner pipe clamp, a connecting rod and a supporting column; the monitoring module comprises a cannula, a connecting rod, a connecting frame b and a piston;
the straight pipe a and the straight pipe b are connected through a bending pipe, a square hole is formed in the wall of the bending pipe facing to the outer side, and a reinforcing sleeve is arranged on the wall of the square hole; the outer pipe clamp and the inner pipe clamp are matched and clamped on the straight pipe a and the straight pipe b; two ends of the connecting rod are respectively and rotatably connected with the outer tube clamp and the support column, and the connecting rod is provided with two groups; the outer wall of the support column, which faces the bending pipe, is provided with a support rod, and the bottom of the support rod is provided with a connecting disc;
the insertion pipe is matched and inserted into the reinforcing sleeve, an elastic sealing piece is arranged on the outer wall of the insertion pipe, and the elastic sealing piece is extruded and attached with the reinforcing sleeve; the connecting rods are arranged on the outer wall of the insertion tube, a plurality of groups of connecting rods are arranged, the connecting rods are bending rods, and the top of each connecting rod is connected with the connecting disc; the piston is arranged in the insertion pipe in a matching way, a lifting assembly for driving the piston to move is arranged on the connecting rod, and a camera is arranged on the end face of the piston, facing the convex arc area of the bent pipe; the sealing module is arranged in the cannula and used for sealing the bottom of the cannula after the camera is moved out of the cannula.
Preferably, the outer tube clamp and the inner tube clamp are locked on the straight tube a and the straight tube b through a plurality of groups of bolts and nuts.
Preferably, the device further comprises a fixing plate and a screw; the fixed plate sets up two sets of, and two sets of fixed plates set up respectively on two sets of inner tube clamp outer walls, set up the screw hole on the fixed plate, screw rod and screw hole cooperation, screw rod one end and the inboard outer wall contact of pipe of bending, the screw rod other end sets up the knob.
Preferably, two groups of fixing blocks are arranged on the outer walls of the two groups of outer tube clamps, and a rotating shaft is rotatably arranged between the two groups of fixing blocks; the baffle is all set up at the support column both ends, rotates on the support column and sets up two sets of sleeves, and two sets of sleeves contact with the bracing piece both sides respectively, all set up link a on two sets of sleeves, and link both ends are connected with link a and pivot respectively.
Preferably, the lifting assembly comprises a lantern ring, a connecting frame b and a locking nut; the lantern rings are arranged in a plurality of groups, and the plurality of groups of lantern rings are respectively matched and sleeved on the straight sections of the plurality of groups of connecting rods; two ends of the connecting frame b are respectively connected with the lantern ring and the top of the piston, and the connecting frame b is provided with a plurality of groups; the straight section of one group of connecting rods is provided with threads, the locking nuts are sleeved on the threads in a matched mode, the locking nuts are provided with two groups, and the two groups of locking nuts are respectively contacted with two ends of the lantern ring.
Preferably, the sealing module comprises a U-shaped plate, a rotating rod, an air bag, a gear, a rack, an air pipe and an air charging and discharging device; the U-shaped plate is positioned in the insertion pipe, two opposite sides of the U-shaped plate are rotationally connected with the inner wall of the insertion pipe through rotating rods, and a U-shaped groove opening on the U-shaped plate faces to the inner wall of one side of the insertion pipe; the air bag is arranged on the outer wall of the U-shaped plate, the air bag is connected with an air pipe, the air pipe passes through the piston and is connected with the inflation and deflation device, and the inflation and deflation device is arranged on the outer wall of the cannula; the gear is arranged on the rotating rod, the rack is arranged at the bottom of the piston, and the rack is meshed with the gear.
Preferably, when the piston moves upwards, the U-shaped plate drives the air bag to rotate downwards, and when the camera moves to the highest point, the opening of the U-shaped groove on the U-shaped plate faces the piston.
On the other hand, the invention provides a monitoring and early warning method of a gas pipe network fault information monitoring and early warning system, which comprises the following steps:
s1, pre-fixing an outer pipe clamp and an inner pipe clamp on a straight pipe a and a straight pipe b, then inserting an insertion pipe into a reinforcing sleeve, and forcibly pressing down a support column to enable an elastic sealing element to press the reinforcing sleeve to realize sealing;
s2, locking the outer pipe clamp and the inner pipe clamp to be fixed, monitoring the scaling condition of the inner wall of the bent pipe in real time through a camera, and transmitting monitoring data to a remote terminal to realize fault monitoring and early warning;
s3, when the scaling influence of the camera lens is monitored, the locking nut is unscrewed, the piston and the camera are rapidly moved out of the insertion tube, then the air bag is rapidly inflated through the inflation and deflation device to realize the sealing of the bottom of the insertion tube, and only a small amount of fuel gas leaks out in the process;
s4, after the surface scaling of the camera is cleaned, the air bag is quickly and completely deflated, then the piston and the camera are quickly inserted into the insertion tube again, sealing is completed through the piston, and finally the connecting frame b is locked through two groups of locking nuts, so that the position of the piston can be fixed.
Compared with the prior art, the invention has the following beneficial technical effects: the intubation tube can be quickly and fixedly installed on the elbow through the installation module, and the inner wall of the elbow is monitored and early warned through the camera. And when the camera needs to be overhauled or cleaned on the surface, the gas can be continuously conveyed under the condition that the gas is not stopped to be conveyed, so that the continuous conveying of the gas is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is an isometric view of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is an enlarged schematic view of FIG. 2 at A;
fig. 5 is an enlarged schematic view at B in fig. 3.
Reference numerals: 1. a straight pipe a; 2. a straight pipe b; 3. bending the pipe; 4. an outer tube clamp; 5. an inner pipe clamp; 6. a fixing plate; 7. a screw; 8. a knob; 9. a fixed block; 10. a rotating shaft; 11. a connecting rod; 12. a support column; 13. a sleeve; 14. a baffle; 15. a connecting frame a; 16. a support rod; 17. reinforcing the sleeve; 18. a cannula; 19. an elastic seal; 20. a connecting disc; 21. a connecting rod; 22. a collar; 23. a connecting frame b; 24. a piston; 25. a lock nut; 26. a U-shaped plate; 27. a rotating lever; 28. an air bag; 29. a gear; 30. a rack; 31. an air pipe; 32. an air charging and discharging device; 33. a camera is provided.
Detailed Description
Example 1
The invention provides a gas pipe network fault information monitoring and early warning system which comprises a pipeline module, an installation module, a monitoring module and a sealing module; the pipeline module comprises a straight pipe a1, a straight pipe b2 and a bending pipe 3; the mounting module comprises an outer pipe clamp 4, an inner pipe clamp 5, a fixing plate 6, a screw rod 7, a connecting rod 11 and a supporting column 12; the monitoring module comprises a cannula 18, a connecting rod 21, a connecting frame b23 and a piston 24;
as shown in fig. 1 and 3, a straight pipe a1 and a straight pipe b2 are connected through a bent pipe 3, a square hole is formed in the pipe wall of the bent pipe 3 facing to the outer side, a reinforcing sleeve 17 is arranged on the wall of the square hole, strength of the bent pipe 3 after the square hole is formed is reduced, and strength is improved through the reinforcing sleeve 17; the outer pipe clamp 4 and the inner pipe clamp 5 are matched and clamped on the straight pipe a1 and the straight pipe b2, and the outer pipe clamp 4 and the inner pipe clamp 5 are locked on the straight pipe a1 and the straight pipe b2 through a plurality of groups of bolts and nuts; the fixing plates 6 are provided with two groups, the two groups of fixing plates 6 are respectively arranged on the outer walls of the two groups of inner pipe clamps 5, the fixing plates 6 are provided with threaded holes, the screw rod 7 is matched with the threaded holes, one end of the screw rod 7 is contacted with the outer wall of the inner side of the bending pipe 3, and the other end of the screw rod 7 is provided with a knob 8; the two ends of the connecting rod 11 are respectively connected with the outer tube clamp 4 and the support column 12 in a rotating way, and the connecting rod 11 is provided with two groups.
As shown in fig. 4 and 5, a support rod 16 is arranged on the outer wall of the support column 12 facing the elbow pipe 3, and a connecting disc 20 is arranged at the bottom of the support rod 16. The insertion tube 18 is inserted into the reinforcing sleeve 17 in a matched manner, an elastic sealing piece 19 is arranged on the outer wall of the insertion tube 18, and the elastic sealing piece 19 is pressed and jointed with the reinforcing sleeve 17; the connecting rods 21 are arranged on the outer wall of the insertion tube 18, a plurality of groups of connecting rods 21 are arranged, the connecting rods 21 are bending rods, and the top of each connecting rod 21 is connected with the connecting disc 20; the piston 24 is arranged in the insertion tube 18 in a matching way, a lifting assembly for driving the piston 24 to move is arranged on the connecting rod 21, and a camera 33 is arranged on the end surface of the piston 24 facing the convex arc area of the bent tube 3; a sealing module is provided within cannula 18 for sealing the bottom of cannula 18 after camera 33 is moved out of cannula 18.
The camera 33 is a high-temperature explosion-proof camera.
Working principle: the outer tube clamp 4 and the inner tube clamp 5 are sleeved on the straight tube a1 and the straight tube b2 to be pre-fixed, then the insertion tube 18 is inserted into the reinforcing sleeve 17, the support column 12 is pressed down with force, the elastic sealing piece 19 is pressed against the reinforcing sleeve 17 to achieve sealing, then the outer tube clamp 4 and the inner tube clamp 5 are locked to be fixed, the scaling condition of the inner wall of the bent tube 3 is monitored in real time through the camera 33, and monitoring data are transmitted to a remote terminal to achieve fault monitoring and early warning. When the scaling of the lens of the camera 33 affects monitoring, the camera 33 is moved out of the cannula 18 through the lifting assembly, and then the bottom of the cannula 18 is sealed through the sealing assembly, so that gas leakage is prevented. After the surface scaling of the camera 33 is cleaned, the sealing assembly is used for removing the sealing of the bottom of the cannula 18, and then the camera 33 and the piston 24 are moved into the cannula 18 through the lifting assembly.
In this embodiment, the cannula 18 can be quickly and fixedly mounted on the elbow through the mounting module, and the inner wall of the elbow is monitored and pre-warned through the camera 33. And when the camera 33 needs to be overhauled or cleaned on the surface, the gas can be continuously conveyed under the condition that the gas is not stopped to be conveyed, so that the continuous conveying of the gas is ensured.
Example two
As shown in fig. 1-2, in the gas pipe network fault information monitoring and early warning system provided by the invention, compared with the first embodiment, two groups of fixing blocks 9 are arranged on the outer walls of two groups of outer pipe clamps 4, and a rotating shaft 10 is rotatably arranged between the two groups of fixing blocks 9; baffle plates 14 are arranged at two ends of the support column 12, two groups of sleeves 13 are rotatably arranged on the support column 12, the two groups of sleeves 13 are respectively contacted with two sides of the support rod 16, connecting frames a15 are arranged on the two groups of sleeves 13, and two ends of the connecting rod 11 are respectively connected with the connecting frames a15 and the rotating shaft 10.
Example III
As shown in fig. 4, in the gas pipe network fault information monitoring and early warning system provided by the invention, compared with the first embodiment, the lifting assembly comprises a collar 22, a connecting frame b23 and a locking nut 25; the lantern rings 22 are provided with a plurality of groups, and the plurality of groups of lantern rings 22 are respectively matched and sleeved on the straight sections of the plurality of groups of connecting rods 21; two ends of the connecting frame b23 are respectively connected with the lantern ring 22 and the top of the piston 24, and a plurality of groups of connecting frames b23 are arranged; the straight section of one group of connecting rods 21 is provided with threads, the lock nuts 25 are sleeved on the threads in a matched mode, the lock nuts 25 are provided with two groups, and the two groups of lock nuts 25 are respectively contacted with two ends of the lantern ring 22.
In this embodiment, the position of the collar 22 can be adjusted up and down by unscrewing the lock nut 25, so that the positions of the piston 24 and the camera 33 are changed through the connecting frame b23, and the camera 33 is moved out or in, thereby facilitating the maintenance of the camera 33.
Example IV
As shown in fig. 4 and fig. 5, compared with the first embodiment, the gas pipe network fault information monitoring and early warning system provided by the present invention, the sealing module includes a U-shaped plate 26, a rotating rod 27, an air bag 28, a gear 29, a rack 30, an air pipe 31 and an air charging and discharging device 32; the U-shaped plate 26 is positioned in the insertion tube 18, two opposite sides of the U-shaped plate 26 are rotatably connected with the inner wall of the insertion tube 18 through rotating rods 27, and a U-shaped groove opening on the U-shaped plate 26 faces to the inner wall of one side of the insertion tube 18; the air bag 28 is arranged on the outer wall of the U-shaped plate 26, the air bag 28 is connected with the air pipe 31, the air pipe 31 passes through the piston 24 to be connected with the air charging and discharging device 32, and the air charging and discharging device 32 is arranged on the outer wall of the cannula 18; a gear 29 is provided on the rotating rod 27, a rack 30 is provided at the bottom of the piston 24, and the rack 30 is engaged with the gear 29. The U-shaped plate 26 drives the air bag 28 to rotate downwards when the piston 24 moves upwards, and the U-shaped groove opening on the U-shaped plate 26 faces the piston 24 when the camera 33 moves to the highest point.
In this embodiment, when the piston 24 and the camera 33 move out of the cannula 18 upwards, the opening of the U-shaped groove on the U-shaped plate 26 faces the piston 24, the air bag 28 is located at the lowest position, the air bag 28 is in a flat oval shape, and the bottom of the cannula 18 can be closed by inflating the air bag 28, so that gas leakage is prevented.
Example five
The monitoring and early warning method based on the embodiment of the gas pipe network fault information monitoring and early warning system comprises the following steps:
s1, sleeving an outer tube clamp 4 and an inner tube clamp 5 on a straight tube a1 and a straight tube b2 for pre-fixing, then inserting a cannula 18 into a reinforcing sleeve 17, and pressing a support column 12 with force to enable an elastic sealing piece 19 to press the reinforcing sleeve 17 to realize sealing;
s2, locking the outer tube clamp 4 and the inner tube clamp 5 to be fixed, monitoring the scaling condition of the inner wall of the bent tube 3 in real time through the camera 33, and transmitting monitoring data to a remote terminal to realize fault monitoring and early warning;
s3, when the scaling influence of the lens of the camera 33 is monitored, the locking nut 25 is unscrewed, the piston 24 and the camera 33 are quickly moved out of the insertion tube 18 upwards, then the air bag 28 is quickly inflated through the inflation and deflation device 32 to realize the sealing of the bottom of the insertion tube 18, and only a small amount of fuel gas leaks out in the process;
s4, after the surface scaling cleaning of the camera 33 is finished, the air bag 28 is quickly and completely deflated, then the piston 24 and the camera 33 are quickly inserted into the insertion tube 18 again, sealing is finished through the piston 24, and finally the connecting frame b23 is locked through two groups of locking nuts 25, so that the position of the piston 24 can be fixed.
In this embodiment, the cannula 18 can be quickly and fixedly mounted on the elbow through the mounting module, and the inner wall of the elbow is monitored and pre-warned through the camera 33. And when the camera 33 needs to be overhauled or cleaned on the surface, the gas can be continuously conveyed under the condition that the gas is not stopped to be conveyed, so that the continuous conveying of the gas is ensured.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (8)

1. The gas pipe network fault information monitoring and early warning system is characterized by comprising a pipeline module, an installation module, a monitoring module and a sealing module; the pipeline module comprises a straight pipe a (1), a straight pipe b (2) and a bending pipe (3); the mounting module comprises an outer pipe clamp (4), an inner pipe clamp (5), a connecting rod (11) and a support column (12); the monitoring module comprises a cannula (18), a connecting rod (21), a connecting frame b (23) and a piston (24);
the straight pipe a (1) and the straight pipe b (2) are connected through a bent pipe (3), a square hole is formed in the wall of the bent pipe (3) facing the outer side, and a reinforcing sleeve (17) is arranged on the wall of the square hole; the outer pipe clamp (4) and the inner pipe clamp (5) are matched and clamped on the straight pipe a (1) and the straight pipe b (2); two ends of the connecting rod (11) are respectively connected with the outer pipe clamp (4) and the support column (12) in a rotating way, and the connecting rod (11) is provided with two groups; a supporting rod (16) is arranged on the outer wall of the supporting column (12) facing the bending pipe (3), and a connecting disc (20) is arranged at the bottom of the supporting rod (16);
the insertion pipe (18) is matched and inserted into the reinforcing sleeve (17), an elastic sealing piece (19) is arranged on the outer wall of the insertion pipe (18), and the elastic sealing piece (19) is extruded and jointed with the reinforcing sleeve (17); the connecting rods (21) are arranged on the outer wall of the insertion tube (18), a plurality of groups of connecting rods (21) are arranged, the connecting rods (21) are bending rods, and the top of each connecting rod (21) is connected with the connecting disc (20); the piston (24) is arranged in the insertion pipe (18) in a matching way, a lifting assembly for driving the piston (24) to move is arranged on the connecting rod (21), and a camera (33) is arranged on the end face of the piston (24) facing the convex arc area of the bent pipe (3); the sealing module is arranged in the insertion tube (18) and is used for sealing the bottom of the insertion tube (18) after the camera (33) moves out of the insertion tube (18).
2. The gas pipe network fault information monitoring and early warning system according to claim 1 is characterized in that the outer pipe clamp (4) and the inner pipe clamp (5) are locked on the straight pipe a (1) and the straight pipe b (2) through a plurality of groups of bolts and nuts.
3. The gas pipe network fault information monitoring and early warning system according to claim 1, further comprising a fixing plate (6) and a screw (7); the fixed plate (6) sets up two sets of, and two sets of fixed plates (6) set up respectively on two sets of interior pipe clamp (5) outer walls, set up the screw hole on fixed plate (6), screw rod (7) and screw hole cooperation, screw rod (7) one end and the inboard outer wall contact of pipe (3) of bending, the screw rod (7) other end sets up knob (8).
4. The gas pipe network fault information monitoring and early warning system according to claim 1 is characterized in that two groups of fixing blocks (9) are arranged on the outer walls of the two groups of outer pipe clamps (4), and a rotating shaft (10) is rotatably arranged between the two groups of fixing blocks (9); baffle plates (14) are arranged at two ends of the supporting column (12), two groups of sleeves (13) are rotatably arranged on the supporting column (12), the two groups of sleeves (13) are respectively contacted with two sides of the supporting rod (16), connecting frames a (15) are arranged on the two groups of sleeves (13), and two ends of the connecting rod (11) are respectively connected with the connecting frames a (15) and the rotating shaft (10).
5. The gas pipe network fault information monitoring and early warning system according to claim 1, wherein the lifting assembly comprises a collar (22), a connecting frame b (23) and a locking nut (25); the lantern rings (22) are provided with a plurality of groups, and the plurality of groups of lantern rings (22) are respectively matched and sleeved on the straight sections of the plurality of groups of connecting rods (21); two ends of the connecting frame b (23) are respectively connected with the lantern ring (22) and the top of the piston (24), and a plurality of groups of connecting frames b (23) are arranged; the straight section of one group of connecting rods (21) is provided with threads, locking nuts (25) are sleeved on the threads in a matched mode, two groups of locking nuts (25) are arranged, and the two groups of locking nuts (25) are respectively contacted with two ends of the lantern ring (22).
6. The gas pipe network fault information monitoring and early warning system according to claim 5, wherein the sealing module comprises a U-shaped plate (26), a rotating rod (27), an air bag (28), a gear (29), a rack (30), an air pipe (31) and an air charging and discharging device (32); the U-shaped plate (26) is positioned in the insertion tube (18), two opposite sides of the U-shaped plate (26) are rotationally connected with the inner wall of the insertion tube (18) through rotating rods (27), and the opening of the U-shaped groove on the U-shaped plate (26) faces to the inner wall of one side of the insertion tube (18); the air bag (28) is arranged on the outer wall of the U-shaped plate (26), the air bag (28) is connected with the air pipe (31), the air pipe (31) passes through the piston (24) to be connected with the air charging and discharging device (32), and the air charging and discharging device (32) is arranged on the outer wall of the cannula (18); the gear (29) is arranged on the rotating rod (27), the rack (30) is arranged at the bottom of the piston (24), and the rack (30) is meshed with the gear (29).
7. The gas pipe network fault information monitoring and early warning system according to claim 6, characterized in that when the piston (24) moves upwards, the U-shaped plate (26) drives the air bag (28) to rotate downwards, and when the camera (33) moves to the highest point, the U-shaped groove opening on the U-shaped plate (26) faces the piston (24).
8. The monitoring and early warning method of the gas pipe network fault information monitoring and early warning system according to claim 7, characterized by comprising the following steps:
s1, sleeving an outer pipe clamp (4) and an inner pipe clamp (5) on a straight pipe a (1) and a straight pipe b (2) for pre-fixing, then inserting an insertion pipe (18) into a reinforcing sleeve (17), and forcibly pressing down a support column (12) to enable an elastic sealing piece (19) to press the reinforcing sleeve (17) to realize sealing;
s2, locking the outer pipe clamp (4) and the inner pipe clamp (5) to be fixed, monitoring the scaling condition of the inner wall of the bent pipe (3) in real time through a camera (33), and transmitting monitoring data to a remote terminal to realize fault monitoring and early warning;
s3, when the influence of the scaling of a camera (33) lens is monitored, the lock nut (25) is unscrewed, the piston (24) and the camera (33) are rapidly moved out of the insertion tube (18), then the air bag (28) is rapidly inflated through the inflation and deflation device (32) to realize the sealing of the bottom of the insertion tube (18), and only a small amount of fuel gas leaks out in the process;
s4, after the surface scaling of the camera (33) is cleaned, the air bag (28) is quickly and completely deflated, then the piston (24) and the camera (33) are quickly inserted into the insertion tube (18) again, sealing is completed through the piston (24), and finally the connecting frame b (23) is locked through two groups of locking nuts (25), so that the position of the piston (24) can be fixed.
CN202310930317.4A 2023-07-25 2023-07-25 Gas pipe network fault information monitoring and early warning system and method Active CN116877933B (en)

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