Pressure pipeline leakage monitoring device and manufacturing method

Abstract

The present invention discloses a pressure pipeline leakage monitoring device and a manufacturing method, comprising a base, connecting rods are respectively provided in the walls on both sides of the base, a fixing mechanism is further provided on the wall in the middle of the base, the fixing mechanism comprises a fixing seat, a pressure cover and a limiting rod, a placement groove is further provided in the wall in the middle of the base, a first screw groove is provided in the wall below the placement groove, and the base further comprises slots in the walls in the middle of both sides. The pressure pipeline leakage monitoring device and the manufacturing method described in the present invention uses an online pressure monitoring device to promptly alarm when leakage occurs, accurately finds the leakage location with the help of a pressure sensor with an address coding function, and facilitates adjustment for pipes with different inner diameters through the provision of the base. At the same time, the provision of the fixing mechanism and the connecting rod facilitates the fixing of the pressure sensor and the connection of the base.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline monitoring equipment, and in particular to a pressure pipeline leakage monitoring device and a manufacturing method thereof. Background Art

[0002] Pressure pipelines (especially large-scale long-distance pipelines) may leak gas or liquid media due to corrosion or cracks caused by external impact during long-term use. However, there is currently no device on the market for online monitoring of pressure pipeline leakage. After operation and maintenance personnel discover leaks based on experience, they use leak detectors to check the pipelines one by one through acoustic detection. This has low inspection efficiency and poor accuracy. Summary of the Invention

[0003] The purpose of the present invention is to provide a pressure pipeline leakage monitoring device and a manufacturing method, which can effectively solve the problems in the background technology.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] A pressure pipeline leakage monitoring device and a manufacturing method include a base, connecting rods are respectively provided in the two side walls of the base, a fixing mechanism is also provided on the middle wall of the base, the fixing mechanism includes a fixing seat, a pressure cover and a limit rod, a placement groove is also provided in the middle wall of the base, a first screw groove is provided in the lower wall of the placement groove, the base also has slots respectively provided in the wall at the middle position on both sides, the base also has mounting holes respectively provided in the upper walls on both sides of the first mounting groove, and the mounting holes connect the cavity between the first mounting groove and the slot, and a second mounting groove is also provided in the side wall inside the mounting hole.

[0006] Preferably, a fixing ring is respectively provided on the outer wall of one side of the two limit rods, the fixing ring and the limit rod are integrally injection molded, the limit rod is inserted and installed in the corresponding mounting hole, and the fixing ring is inserted and installed in the second mounting groove on one side of the mounting hole, and a compression spring is also set on the outer wall of one side of the limit rod, and the compression spring is located between the right side wall of the fixing ring and the right side wall of the second mounting groove.

[0007] On the limiting rod between the side walls.

[0008] Preferably, an insertion rod is respectively provided on the upper wall on both sides of the connecting rod, and the two insertion rods and the connecting rod are injection molded as one piece. Clips are also fixedly installed on the two side walls of the top of the connecting rod, and limiting grooves are also respectively provided in the upper wall on one side of the two insertion rods, and the connecting rod is installed in the slot on one side of the base through the insertion rod on one side wall.

[0009] Preferably, a stud is provided on the bottom wall of the fixing seat, the stud and the fixing seat are injection molded as one piece, and the stud is screwed into a first screw groove in the first installation groove on the base, a placement groove is also provided in the wall at the middle position of the top of the fixing seat, and a second screw groove is also provided in the outer wall of the top of the fixing seat, a pressure sensor is embedded in the placement groove, and a connecting cable is fixedly installed on the top wall of the pressure sensor.

[0010] Preferably, a plurality of external thread blocks are provided on the outer wall of the bottom of the gland, the external thread blocks and the gland are integrally injection molded, and the external thread blocks are screwed into and installed in the second screw groove, and a through hole is also opened in the wall at the middle position of the gland.

[0011] A method for manufacturing a pressure pipeline leakage monitoring device includes the following steps:

[0012] S1, including the following steps: first, fix one end of the connecting cable and seal the pressure sensor and the connection between the pressure sensor and the connecting cable; then, insert the pressure sensor into the placement groove on the top of the fixing seat.

[0013] S2, including the following steps: then, pass the connecting cable through the perforation in the wall of the gland, and insert the external thread block on the bottom wall of the gland into the second screw groove on the top of the fixing seat, then, rotate the gland, so that the gland drives the external thread block on the bottom wall to rotate in the second screw groove, and then fix the gland on the fixing seat through the external thread block, and then install the pressure sensor in the placement groove by limiting the pressure sensor through the bottom wall of the gland.

[0014] S3, including the following steps: Then, first, insert the two connecting rods on one side into the slots on one side of the base respectively, then, screw the stud at the bottom of the fixing seat into the first screw groove in the first installation groove, so that the stud is gradually rotated downward in the first screw groove, and then the outer wall of the stud gradually squeezes the one end wall of the two limit rods located on one side of the first installation groove to one side respectively, so that the two limit rods are respectively moved to one side in the corresponding installation holes, and then the other side wall of the limit rod is stuck in the limit groove on the side of the corresponding inserting rod, and then when the pressure sensor is fixed on the base, the connecting rod is also fixed in the wall on one side of the base, and the connecting cable wall is clamped and fixed by the clip.

[0015] S4. Includes the following steps: In addition, depending on the material of the pressure pipe, the processed base is firmly fixed to the inner wall of the pressure pipe by welding (metal) or bonding (plastic). If it is a welding connection, the weld is polished smooth after welding. The connecting cable installed and debugged above is passed through a rubber protective tube with a diameter of 20-50 mm and a wall thickness of 0.5-1 mm. The length of the rubber protective tube should match the length of the connecting cable. An annular sealing gasket is provided at the end of the rubber protective tube. The pressure monitoring cable is sealed by pressing the annular sealing gasket through a flange at the pressure pipe exit. Subsequently, the installed connecting cable is connected to the external pressure monitoring alarm controller.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The pressure pipeline leakage monitoring device and manufacturing method described in the present invention use an online pressure monitoring device to promptly alarm in the event of leakage, accurately find the leakage location with the help of a pressure sensor with an address coding function, and facilitate adjustment for pipelines with different inner diameters through the provision of a base. At the same time, the provision of a fixing mechanism and a connecting rod facilitates the fixing of the pressure sensor and the connection of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0019] Figure 2 This is a diagram showing the main structure of the present invention;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a disassembled diagram of the connecting rod structure of the present invention;

[0022] Figure 5 This is a disassembled diagram of the fixing mechanism structure of the present invention.

[0023] In the figure: 1. Base; 2. Connecting rod; 3. Fixing mechanism; 4. Fixing seat; 5. Pressure cover; 6. Limiting rod; 7. First mounting slot; 8. First screw groove; 9. Mounting hole; 10. Second mounting slot; 11. Slot; 12. Fixing ring; 13. Compression spring; 14. Insert rod; 15. Limiting slot; 16. Stud; 17. Placement slot; 18. Second screw groove; 19. Pressure sensor; 20. Connecting cable; 21. External thread block; 22. Through hole; 24. Clip. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-5 As shown, the present invention provides a pressure pipeline leakage monitoring device and a manufacturing method, including a base 1, connecting rods 2 are respectively provided in the two side walls of the base 1, and a fixing mechanism 3 is also provided on the middle wall of the base 1, the fixing mechanism 3 includes a fixing seat 4, a pressure cover 5 and a limit rod 6, a placement groove 17 is also provided in the middle wall of the base 1, and a first screw groove 8 is provided in the upper wall of the placement groove 17. The base 1 also has slots 11 respectively provided in the wall at the middle position on both sides, and the base 1 also has mounting holes 9 respectively provided in the upper walls on both sides located in the first mounting groove 7, and the mounting holes 9 connect the cavity between the first mounting groove 7 and the slot 11, and a second mounting groove 10 is also provided in the side wall inside the mounting hole 9.

[0026] A fixing ring 12 is provided on the outer wall of one side of the two limit rods 6. The fixing ring 12 and the limit rod 6 are injection molded as one piece. The limit rod 6 is inserted and installed in the corresponding mounting hole 9, and the fixing ring 12 is inserted and installed in the second mounting groove 10 on one side of the mounting hole 9. A compression spring 13 is also mounted on the outer wall of one side of the limit rod 6. The compression spring 13 is located on the limit rod 6 between the right side wall of the fixing ring 12 and the right side wall inside the second mounting groove 10.

[0027] Insertion rods 14 are respectively provided on the upper walls on both sides of the connecting rod 2. The two insertion rods 14 and the connecting rod 2 are injection molded as one piece. Clips 23 are also fixedly installed on the two side walls of the top of the connecting rod 2. Limiting grooves 15 are also respectively provided in the upper wall on one side of the two insertion rods 14, and the connecting rod 2 is installed in the slot 11 on one side of the base 1 through the insertion rod 14 on one side wall.

[0028] A stud 16 is provided on the bottom wall of the fixing base 4. The stud 16 and the fixing base 4 are injection molded as one piece, and the stud 16 is screwed into the first screw groove 8 in the first mounting groove 7 installed on the base 1. A placement groove 17 is also provided in the wall at the middle position of the top of the fixing base 4, and a second screw groove 18 is also provided in the outer wall of the top of the fixing base 4. A pressure sensor 19 is embedded in the placement groove 17, and a connecting cable 20 is fixedly installed on the top wall of the pressure sensor 19.

[0029] A plurality of external thread blocks 21 are provided on the outer wall of the bottom of the gland 5. The external thread blocks 21 and the gland 5 are integrally injection molded and screwed into the second screw groove 18. A through hole 22 is also provided in the wall at the middle position of the gland 5.

[0030] A method for manufacturing a pressure pipeline leakage monitoring device includes the following steps:

[0031] S1, including the following steps: first fix one end of the connecting cable 20 and seal the pressure sensor 19 and the connection between the pressure sensor 19 and the connecting cable 20, then insert the pressure sensor 19 into the placement groove 17 on the top of the fixing seat 4.

[0032] S2, including the following steps: then, pass the gland 5 through the connecting cable 20 through the through-hole 22 in the wall, and insert the external thread block 21 on the bottom wall of the gland 5 into the second screw groove 18 at the top of the fixing seat 4, then, rotate the gland 5, so that the gland 5 drives the external thread block 21 on the bottom wall to rotate in the second screw groove 18, and then fix the gland 5 on the fixing seat 4 through the external thread block 21, and then install the pressure sensor 19 in the placement groove 17 through the limiting of the pressure sensor 19 by the bottom wall of the gland 5.

[0033] S3, including the following steps: Then, first, insert the insertion rods 14 on one side of the two connecting rods 2 into the slots 11 on one side of the base 1 respectively, and then, screw the stud 16 at the bottom of the fixing seat 4 into the first screw groove 8 in the first installation groove 7, so that the stud 16 is gradually rotated downward in the first screw groove 8, and then the outer wall of the stud 16 gradually squeezes the one end wall of the two limit rods 6 located on one side of the first installation groove 7 to one side, so that the two limit rods 6 are respectively moved to one side in the corresponding installation holes 9, and then the other side wall of the limit rod 6 is stuck in the limit groove 15 on the side of the corresponding insertion rod 14, and then when the pressure sensor 19 is fixed on the base 1, the connecting rod 2 is also fixed in the wall on one side of the base 1, and the wall of the connecting cable 20 is clamped and fixed by the clip 24.

[0034] S4, including the following steps: In addition, depending on the material of the pressure pipe, the processed base 1 is firmly fixed to the inner wall of the pressure pipe by welding metal or bonding plastic. If it is a welding connection, the weld is polished smooth after welding, and the connecting cable 20 that has been installed and debugged above is inserted into a rubber protective tube with a diameter of 20-50 mm and a wall thickness of 0.5-1 mm. The length of the rubber protective tube should match the length of the connecting cable 20. An annular sealing gasket is provided at the end of the rubber protective tube. The pressure monitoring cable is sealed by pressing the annular sealing gasket with a flange at the pressure pipe outlet. Subsequently, the installed connecting cable 20 is connected to the external pressure monitoring alarm controller.

[0035] It should be noted that the present invention is a pressure pipeline leakage monitoring device and a manufacturing method. When in use, first fix one end of the connecting cable 20 and seal the pressure sensor 19 and the connection between the pressure sensor 19 and the connecting cable 20. Then, insert the pressure sensor 19 into the placement groove 17 at the top of the fixing seat 4. Then, pass the gland 5 through the perforation 22 in the wall through the connecting cable 20, and insert the external thread block 21 on the bottom wall of the gland 5 into the second screw groove 18 at the top of the fixing seat 4. Then, screw the gland 5. The outer thread block 21 on the bottom wall of the gland 5 is rotated, thereby causing the gland 5 to drive the outer thread block 21 on the bottom wall to rotate in the second screw groove 18, and then the gland 5 is fixed on the fixing seat 4 through the outer thread block 21, and then the pressure sensor 19 is limited by the bottom wall of the gland 5 to install the pressure sensor 19 in the placement groove 17. Subsequently, the two connecting rods 2 are inserted into the slots 11 on one side of the base 1 respectively, and then the stud 16 at the bottom of the fixing seat 4 is screwed into the first screw groove 8 in the first mounting groove 7, so that the stud 16 is in the first screw groove 8. By gradually rotating downward, the outer wall of the stud 16 gradually squeezes the two limiting rods 6 located on one side of the first mounting groove 7 to one side, so that the two limiting rods 6 move to one side in the corresponding mounting holes 9, and the other side wall of the limiting rod 6 is inserted into the limiting groove 15 on the side of the corresponding plug rod 14. When the pressure sensor 19 is fixed to the base 1, the connecting rod 2 is also fixed to the wall on one side of the base 1, and the wall of the connecting cable 20 is clamped and fixed by the clip 24. In addition, according to the different materials of the pressure pipe, the processing The completed base 1 is firmly fixed to the pressure pipe by welding metal or bonding plastic. If it is a welding connection, the weld should be polished smooth after welding. The connecting cable 20 installed and debugged above is passed through a rubber protective tube with a diameter of 20-50 mm and a wall thickness of 0.5-1 mm. The length of the rubber protective tube should match the length of the connecting cable 20. An annular sealing gasket is provided at the end of the rubber protective tube. The pressure monitoring cable is sealed by pressing the annular sealing gasket with a flange at the exit of the pressure pipe. Subsequently, the installed connecting cable 20 is connected to the external pressure monitoring alarm controller.

[0036] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure pipeline leakage monitoring device, characterized by: The invention comprises a base (1), wherein connecting rods (2) are respectively provided in the two side walls of the base (1), a fixing mechanism (3) is further provided on the middle wall of the base (1), the fixing mechanism (3) comprises a fixing seat (4), a pressure cover (5) and a limiting rod (6), a first mounting groove (7) is further provided in the middle wall of the base (1), a first screw groove (8) is provided in the lower wall of the first mounting groove (7), the base (1) further comprises slots (11) respectively provided in the wall at the middle positions of both sides, the base (1) further comprises mounting holes (9) respectively provided in the upper walls of both sides in the first mounting groove (7), and the mounting holes (9) connect the cavity between the first mounting groove (7) and the slot (11), and a second mounting groove (10) is further provided in the wall of one side in the mounting hole (9); A fixing ring (12) is respectively provided on the outer wall of one side of the two limiting rods (6), and the fixing ring (12) and the limiting rod (6) are integrally injection-molded. The limiting rod (6) is inserted and installed in the corresponding mounting hole (9), and the fixing ring (12) is inserted and installed in the second mounting groove (10) on one side of the mounting hole (9). A compression spring (13) is also set on the outer wall of one side of the limiting rod (6), and the compression spring (13) is located on the limiting rod (6) between the right side wall of the fixing ring (12) and the right side wall of the second mounting groove (10); Insertion rods (14) are respectively provided on the upper walls on both sides of the connecting rod (2), and the two insertion rods (14) and the connecting rod (2) are integrally injection-molded. Clips (23) are also fixedly installed on the upper walls on both sides of the connecting rod (2), and limiting grooves (15) are respectively provided in the upper walls on one side of the two insertion rods (14), and the connecting rod (2) is inserted into the slot (11) on one side of the base (1) through the insertion rod (14) on one side of the wall. A stud (16) is provided on the bottom wall of the fixing seat (4), the stud (16) and the fixing seat (4) are integrally injection-molded, and the stud (16) is screwed into a first screw groove (8) installed in a first installation groove (7) on the base (1), a placement groove (17) is also provided in the top middle wall of the fixing seat (4), and a second screw groove (18) is also provided in the top outer wall of the fixing seat (4), a pressure sensor (19) is embedded in the placement groove (17), and a connecting cable (20) is fixedly installed on the top wall of the pressure sensor (19); A plurality of external thread blocks (21) are provided on the outer wall of the bottom of the pressure cover (5). The external thread blocks (21) and the pressure cover (5) are integrally injection-molded, and the external thread blocks (21) are screwed into and installed in the second screw groove (18). A through hole (22) is also provided in the wall at the middle position of the pressure cover (5).

2. A method for manufacturing a pressure pipeline leakage monitoring device according to claim 1, comprising the following steps: S1, comprising the following steps: First, fix one end of the connecting cable (20) and seal the pressure sensor (19) and the connection between the pressure sensor (19) and the connecting cable (20). Then, insert the pressure sensor (19) into the placement groove (17) at the top of the fixing seat (4). S2, comprising the following steps: subsequently, passing the gland (5) through the through-hole (22) in the wall through the connecting cable (20), and inserting the external thread block (21) on the bottom wall of the gland (5) into the second screw groove (18) at the top of the fixing seat (4), and then rotating the gland (5) so that the gland (5) drives the external thread block (21) on the bottom wall to rotate in the second screw groove (18), and then fixing the gland (5) on the fixing seat (4) through the external thread block (21), and then installing the pressure sensor (19) in the placement groove (17) by limiting the pressure sensor (19) by the bottom wall of the gland (5); S3, including the following steps: first, insert the two connecting rods (2) on one side of the insertion rod (14) into the slot (11) on one side of the base (1), and then screw the stud (16) at the bottom of the fixing seat (4) into the first screw groove (8) in the first installation groove (7), so that the stud (16) is gradually rotated downward in the first screw groove (8), and then the outer wall of the stud (16) gradually squeezes the one end wall of the two limiting rods (6) on one side of the first installation groove (7) to one side, so that the two limiting rods (6) are respectively moved to one side in the corresponding installation holes (9), and then the other side wall of the limiting rod (6) is inserted into the limiting groove (15) on the side of the corresponding insertion rod (14), and then when the pressure sensor (19) is fixed on the base (1), the connecting rod (2) is also fixed in the wall of one side of the base (1), and the wall of the connecting cable (20) is clamped and fixed by the clip (23); S4, including the following steps: In addition, according to the different materials of the pressure pipe, the processed base (1) is firmly fixed to the inner wall of the pressure pipe by welding or bonding. If it is a welding connection, the weld is polished smooth after welding. The installed and debugged connecting cable (20) is inserted into a rubber protective tube with a diameter of 20-50 mm and a wall thickness of 0.5-1 mm. The length of the rubber protective tube should match the length of the connecting cable (20). An annular sealing gasket is provided at the end of the rubber protective tube. The pressure monitoring cable is sealed by pressing the annular sealing gasket through a flange at the pressure pipe exit. Subsequently, the installed connecting cable (20) is connected to the external pressure monitoring alarm controller.

Images