Natural gas long-distance pipeline monitoring and alarming auxiliary equipment

By introducing an auxiliary mechanism into the long-distance natural gas pipeline and using a stepper motor to drive the sealing frame to seal the leakage point, the problem of the inability to close the leakage point in time in the existing technology is solved, and the safe leakage of gas and accident prevention are achieved.

CN223359959UActive Publication Date: 2025-09-19NATIONAL OIL & GAS PIPELINE NETWORK GROUP CO LTD HUBEI BRANCH
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Patent Information

Application Number
CN202422232401.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-09-19
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The existing long-distance natural gas pipeline monitoring and alarm equipment is unable to close the leak point in time after a leak, leading to further accidents.

Method used

An auxiliary mechanism was designed, including components such as a sealing frame, a rotating column, a sliding rotating frame and a stepper motor. The stepper motor was controlled by a monitoring alarm mechanism to drive the driving teeth to rotate, and the driving teeth drove the sliding rod to rotate. The sliding rotating frame rotated 90°, thereby driving the sealing frame to seal the leakage point and prevent excessive gas leakage.

Benefits of technology

It achieves timely sealing when the pipeline leaks, avoids excessive leakage of gas, reduces the risk of accidents and improves safety.

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Abstract

The utility model discloses a natural gas long-distance pipeline monitoring alarm auxiliary device, and belongs to the technical field of natural gas monitoring. A natural gas long-distance pipeline monitoring alarm auxiliary device comprises a pipeline body. And the auxiliary mechanism is fixedly installed at the inner ends of the two pipeline main bodies, the auxiliary mechanism comprises a matching frame fixedly connected with the pipeline main bodies, a sealing frame is rotationally connected into the matching frame, and a rotating column is fixedly connected to the upper portion of the sealing frame. Through the design that the auxiliary mechanism is matched with the pipeline main body, the monitoring alarm mechanism can control the sealing frame in the auxiliary mechanism to rotate and seal the matching frame when gas leakage and other situations occur in the pipeline, in this way, it can be guaranteed that gas cannot be excessively leaked, the danger caused by gas leakage is reduced, and further accidents cannot occur; the problem that in the prior art, further accidents can be avoided is solved.
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Description

Technical Field

[0001] The present application relates to the field of natural gas monitoring technology, and in particular to monitoring and alarm auxiliary equipment for long-distance natural gas pipelines. Background Art

[0002] Natural gas refers to a mixture of hydrocarbon and non-hydrocarbon gases naturally found in strata. In petroleum geology, it typically refers to oilfield gas and gasfield gas. Due to the flammable and explosive nature of natural gas, long-distance pipeline transportation requires enhanced pipeline monitoring and alarms.

[0003] The patent document with publication number CN219473440U in the prior art provides a natural gas long-distance pipeline monitoring and alarm auxiliary device. The device provides an auxiliary structural device through the entire monitoring system, and its installation cost is relatively low, while saving operating costs such as manpower, vehicles, and laying power lines; reducing labor costs, the installation design of this device can enable the entire monitoring system to enhance the real-time, accuracy and credibility of obtaining valve room, high consequence area, geological disaster data and image materials; allowing staff to understand the valve room status, high consequence area dynamics, geological disaster conditions, etc. in real time, and can monitor abnormalities in time and take corresponding measures, and grasp the safety dynamics of valve rooms, high consequence areas, and geological disasters in real time, enhance early warning capabilities, and to a certain extent improve the safety factor of operations.

[0004] Although the above-mentioned existing technical solutions can enhance the early warning capability through auxiliary structural devices and improve the safety factor of operations to a certain extent, they still have the following defects: the existing technology cannot assist in closing the leaking pipeline after the alarm, so further accidents cannot be avoided.

[0005] In view of this, we propose natural gas long-distance pipeline monitoring and alarm auxiliary equipment. Utility Model Content

[0006] 1. Technical problems to be solved

[0007] The purpose of this application is to provide a natural gas long-distance pipeline monitoring and alarm auxiliary device to solve the problem raised in the above background technology that further accidents cannot be avoided, thereby avoiding the occurrence of further accidents.

[0008] 2. Technical solution

[0009] Auxiliary equipment for monitoring and alarming of long-distance natural gas pipelines, including the pipeline body;

[0010] The auxiliary mechanism is installed and fixed on the inner ends of the two pipe bodies, and the auxiliary mechanism includes a matching frame connected and fixed to the pipe body, a sealing frame is rotatably connected inside the matching frame, a rotating column is connected and fixed on the upper part of the sealing frame, a sliding rotation frame is connected and fixed on the upper end of the rotating column, a sliding rod is slidably matched inside the sliding rotation frame, a matching tooth is connected and fixed on the top surface of the sliding rod, a driving tooth is meshed and connected on the matching tooth, a stepping motor is provided above the driving tooth, a plurality of limit frames are connected and fixed on the sliding rotation frame, a limit block is slidably connected inside the limit frame, the limit block slidably matches with the limit frame, the limit block is connected and fixed to the sliding rod, the sliding rod is L-shaped, and the sliding rotation frame is formed by connecting a plurality of sliding grooves.

[0011] By adopting the above technical solution, the auxiliary mechanism cooperates with the design of the pipeline body, so that when a gas leak occurs in the pipeline, the monitoring alarm mechanism controls the stepper motor to drive the driving teeth to cooperate with the reducer to drive the driving teeth to rotate, and then the driving teeth drive the end of the sliding rod to rotate through the cooperating teeth. At this time, the sliding rod will slide on the inner wall of the sliding frame and fluctuate the sliding frame to rotate. Then the limit block and the limit frame slide and cooperate. At this time, the sliding frame rotates 90°, so that the sealing frame can be driven to rotate the sealing cooperation frame through the rotating column, so that the gas will not leak excessively, the risk of gas leakage is reduced, and further accidents will not occur, avoiding the problem that the existing technology can avoid the occurrence of further accidents.

[0012] Preferably, a reducer is fixedly connected to the middle of the driving tooth, and the mating tooth is rotatably connected to the bottom surface of the reducer.

[0013] By adopting the above technical solution, the reducer can reduce the load of the stepper motor.

[0014] Preferably, a protection frame is connected and fixed to the stepping motor, and the reducer is connected and fixed to the protection frame.

[0015] Preferably, the top surface of the protective frame is plugged into a snap-in cover plate, the lower part of the snap-in cover plate is snap-in into a snap-in block, a spring is connected and fixed to the snap-in block, two grooves are provided on the bottom surface of the snap-in cover plate, the snap-in block is slidably connected to the protective frame, and the spring is connected and fixed to the inner wall of the protective frame.

[0016] By adopting the above technical solution, when regularly inspecting the equipment, the card cover can be pried open through the slot, and then the internal structure of the protective frame can be inspected and the battery can be replaced at the same time to ensure sufficient power supply. After the inspection is completed, just press the card cover to connect it. At this time, the spring will drive the card block to engage with the card cover, which makes it convenient for equipment inspection and maintenance, and also has a certain protection effect.

[0017] Preferably, a battery is connected and fixed inside the protective frame, and a wireless signal transmitter is connected and fixed inside the protective frame.

[0018] By adopting the above technical solution, the wireless signal transmitter can transmit control signals.

[0019] 3. Beneficial effects

[0020] Compared with the existing technology, the advantages of this application are:

[0021] 1. This application uses the design of an auxiliary mechanism in conjunction with the pipeline main body. When a gas leak occurs in the pipeline, the monitoring alarm mechanism controls the sealing frame in the auxiliary mechanism to rotate the sealing matching frame. This ensures that the gas will not leak excessively, reduces the risk of gas leakage, and prevents further accidents from occurring, thus avoiding the problems that the existing technology can prevent from occurring further accidents.

[0022] 2. When the device is regularly inspected and maintained, the user can pry open the card cover through the slot, and then inspect the internal structure of the protective frame and replace the battery at the same time to ensure sufficient power supply. After the inspection is completed, the user only needs to press the card cover to connect the card. At this time, the spring will drive the card block to connect with the card cover, which makes it convenient for equipment inspection and maintenance, and also has a certain protective effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the natural gas long-distance pipeline monitoring and alarm auxiliary equipment according to an embodiment of the present application;

[0024] Figure 2 This is a schematic cross-sectional diagram of a natural gas long-distance pipeline monitoring and alarm auxiliary device according to an embodiment of the present application;

[0025] Figure 3 This is a schematic diagram of a sliding frame of a natural gas long-distance pipeline monitoring and alarm auxiliary device according to an embodiment of the present application;

[0026] Figure 4 This is an enlarged schematic diagram of the structure of the natural gas long-distance pipeline monitoring and alarm auxiliary equipment at position A according to an embodiment of the present application;

[0027] Explanation of the numbers in the figure: 1. Pipe body; 2. Auxiliary mechanism; 3. Matching frame; 4. Sealing frame; 5. Rotating column; 6. Sliding rotating frame; 7. Sliding rod; 8. Matching teeth; 9. Driving teeth; 10. Stepper motor; 11. Limit frame; 12. Limit block; 13. Reducer; 14. Protective frame; 15. Snap-on cover; 16. Snap-on block; 17. Spring; 18. Battery; 19. Wireless signal transmitter; 20. Other slots. DETAILED DESCRIPTION

[0028] The present application is further described in detail below with reference to the accompanying drawings.

[0029] Reference Figure 1 and Figure 3 , the embodiment of the present application discloses a natural gas long-distance pipeline monitoring and alarm auxiliary equipment.

[0030] Pipeline body 1;

[0031] Auxiliary mechanism 2, the auxiliary mechanism 2 is installed and fixed on the inner ends of the two pipe bodies 1, and the auxiliary mechanism 2 includes a matching frame 3 connected and fixed to the pipe body 1, the matching frame 3 is internally rotatably connected with a sealing frame 4, the upper part of the sealing frame 4 is connected and fixed with a rotating column 5, the upper end of the rotating column 5 is connected and fixed with a sliding rotating frame 6, the sliding rotating frame 6 is internally slidably matched with a sliding rod 7, the top surface of the sliding rod 7 is connected and fixed with matching teeth 8, the matching teeth 8 are meshed with driving teeth 9, and a stepping motor 10 is provided above the driving teeth 9, a plurality of limit frames 11 are connected and fixed to the sliding rotating frame 6, the limit frame 11 is internally slidably connected with a limit block 12, the limit block 12 slides with the limit frame 11, the limit block 12 is connected and fixed to the sliding rod 7, the sliding rod 7 is an L-shaped structure, and the sliding rotating frame 6 is connected by a plurality of sliding grooves.

[0032] The auxiliary mechanism 2 cooperates with the design of the pipeline main body 1. When a gas leak occurs in the pipeline, the monitoring alarm mechanism controls the stepper motor 10 to drive the driving tooth 9 to cooperate with the reducer 13 to drive the driving tooth 9 to rotate. Then the driving tooth 9 drives the end of the sliding rod 7 to rotate through the cooperating tooth 8. At this time, the sliding rod 7 will slide on the inner wall of the sliding frame 6 and rotate the sliding frame 6. Then the limit block 12 slides and cooperates with the limit frame 11. At this time, the sliding frame 6 rotates 90°, so that the sealing frame 4 can be driven to rotate the sealing cooperation frame 3 through the rotating column 5. In this way, it can be ensured that the gas will not leak excessively, the risk of gas leakage is reduced, and further accidents will not occur, avoiding the problem that the existing technology can avoid the occurrence of further accidents.

[0033] Reference Figure 3 The middle part of the driving tooth 9 is connected and fixed with a reducer 13, and the matching tooth 8 is rotatably connected to the bottom surface of the reducer 13.

[0034] The speed reducer 13 can reduce the load of the stepping motor 10 .

[0035] Reference Figure 1 and Figure 2 A protection frame 14 is connected and fixed to the stepping motor 10 , and the speed reducer 13 is connected and fixed to the protection frame 14 .

[0036] The top surface of the protective frame 14 is plugged into a snap-fit ​​cover 15, and the lower part of the snap-fit ​​cover 15 is snap-fitted with a snap-fit ​​block 16. A spring 17 is connected and fixed to the snap-fit ​​block 16. Two grooves 20 are provided on the bottom surface of the snap-fit ​​cover 15. The snap-fit ​​block 16 is slidably connected to the protective frame 14, and the spring 17 is connected and fixed to the inner wall of the protective frame 14.

[0037] When the equipment is regularly inspected and maintained, the snap cover 15 can be pried open through the slot 20, and then the internal structure of the protection frame 14 can be inspected and maintained, and the battery 18 can be replaced at the same time to ensure sufficient power supply. After the inspection is completed, just press and connect the snap cover 15. At this time, the spring 17 will drive the snap block 16 to snap into the snap cover 15, which makes it convenient for equipment inspection and maintenance, and also has a certain protective effect.

[0038] Reference Figure 2 A battery 18 is connected and fixed inside the protective frame 14 , and a wireless signal transmitter 19 is connected and fixed inside the protective frame 14 .

[0039] The wireless signal transmitter 19 can transmit control signals.

[0040] The implementation principle of the natural gas long-distance pipeline monitoring and alarm auxiliary device of the embodiment of the present application is as follows: when the monitoring alarm device alarms, the control signal is transmitted to the stepper motor 10 through the wireless signal transmitter 19, and then the stepper motor 10 drives the driving gear 9 to cooperate with the reducer 13 to drive the driving gear 9 to rotate, and then the driving gear 9 drives the end of the sliding rod 7 to rotate through the matching gear 8. At this time, the sliding rod 7 will slide on the inner wall of the sliding rotating frame 6 and fluctuate the sliding rotating frame 6 to rotate, and then the limit block 12 slides and cooperates with the limit frame 11. At this time, the sliding rotating frame 6 rotates 90°, so that the sealing frame 4 can be driven to rotate the sealing matching frame 3 through the rotating column 5, so that the gas can be ensured not to leak excessively, thereby reducing the risk of gas leakage;

[0041] When the equipment is regularly inspected and maintained, the snap-on cover 15 is pried open through the slot 20, and then the internal structure of the protective frame 14 can be inspected and maintained, and the battery 18 can be replaced at the same time to ensure sufficient power supply. After the inspection is completed, just press and connect the snap-on cover 15, and the spring 17 will drive the snap-on block 16 to snap into the snap-on cover 15.

Claims

1. Natural gas long-distance pipeline monitoring and alarm auxiliary equipment, characterized by: include Pipeline body (1); The auxiliary mechanism (2) is installed and fixed on the inner ends of the two pipe bodies (1), and the auxiliary mechanism (2) includes a matching frame (3) connected and fixed to the pipe body (1), the matching frame (3) is internally connected to a sealing frame (4), the upper part of the sealing frame (4) is connected and fixed to a rotating column (5), the upper end of the rotating column (5) is connected and fixed to a sliding rotating frame (6), the sliding rotating frame (6) is internally slidably matched with a sliding rod (7), the top surface of the sliding rod (7) is connected and fixed to a matching The invention relates to a tooth (8), wherein the mating tooth (8) is meshed with a driving tooth (9), and a stepping motor (10) is provided above the driving tooth (9). A plurality of limit frames (11) are connected and fixed to the sliding rotating frame (6), and a limit block (12) is slidably connected inside the limit frame (11). The limit block (12) is slidably matched with the limit frame (11), and the limit block (12) is connected and fixed to the sliding rod (7). The sliding rod (7) is an L-shaped structure, and the sliding rotating frame (6) is formed by connecting a plurality of sliding grooves.

2. The natural gas long-distance pipeline monitoring and alarm auxiliary equipment according to claim 1 is characterized in that: A reducer (13) is fixedly connected to the middle of the driving tooth (9), and the matching tooth (8) is rotatably connected to the bottom surface of the reducer (13).

3. The natural gas long-distance pipeline monitoring and alarm auxiliary equipment according to claim 2 is characterized in that: A protection frame (14) is connected and fixed to the stepping motor (10), and the speed reducer (13) is connected and fixed to the protection frame (14).

4. The natural gas long-distance pipeline monitoring and alarm auxiliary equipment according to claim 3 is characterized by: The top surface of the protection frame (14) is plugged with a snap-fit ​​cover plate (15), the lower part of the snap-fit ​​cover plate (15) is snap-fitted with a snap-fit ​​block (16), a spring (17) is connected and fixed on the snap-fit ​​block (16), two grooves (20) are provided on the bottom surface of the snap-fit ​​cover plate (15), the snap-fit ​​block (16) is slidably connected to the protection frame (14), and the spring (17) is connected and fixed to the inner wall of the protection frame (14).

5. The natural gas long-distance pipeline monitoring and alarm auxiliary equipment according to claim 4 is characterized in that: A battery (18) is connected and fixed inside the protection frame (14), and a wireless signal transmitter (19) is connected and fixed inside the protection frame (14).

Citation Information

Patent Citations

  • Natural gas long-distance pipeline monitoring and alarming auxiliary equipment

    CN219473440U