A collision alarm device for overhead natural gas pipelines

Abstract

This disclosure relates to the technical field of gas pipeline condition monitoring devices. It provides a collision alarm device for overhead natural gas pipelines, used to monitor the columns supporting overhead natural gas pipeline sections. The device includes a swing arm, a sliding member, a pressure sensor, and an elastic member. The swing arm is oscillatingly mounted on the column. The sliding member is slidably mounted on the column and contacts the swing arm, configured such that after the swing arm oscillates, the swing arm pushes the sliding member to slide. The pressure sensor is mounted on the column and is used to transmit data to an external controller. The two ends of the elastic member act on the sliding member and the pressure sensor, respectively, to absorb the force between the swing arm and the sliding member and transmit the force to the pressure sensor. This technical solution solves the problem in related technologies where collisions or scrapes between external objects cause pipeline leaks in overhead sections of natural gas pipelines or columns, leading to untimely detection, natural gas loss, and increased on-site safety hazards.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the technical field of gas pipeline condition monitoring devices, and more specifically, to a collision alarm device for an overhead natural gas pipeline. Background Technology

[0002] Natural gas, as an important energy source, is widely used in people's daily lives and industrial production, and is mainly transported through pipelines. In rural areas, due to geographical environment and layout characteristics, a large number of natural gas pipelines are laid overhead, exposed above the ground and outside houses, running through streets and alleys. These overhead pipeline sections are supported by pillars above the roads.

[0003] However, in real-world applications, these overhead pipelines pose numerous safety hazards. Vehicles passing beneath them, especially at corners, are prone to scraping against the supporting pillars due to blind spots. Scratching these pillars can cause them to sway and tilt, leading to pipeline swaying and deformation. Excessive deformation can cause twisting and gaps in the pipeline, resulting in natural gas leaks. Furthermore, vehicles carrying excessively tall loads are also highly susceptible to colliding with the overhead sections, causing them to arch, bend, deform, or even crack. This can lead to natural gas leaks. If leaks are not detected and addressed promptly, the affected area will face significant safety risks, potentially triggering fires, explosions, and other serious accidents, threatening the lives of those nearby. Therefore, there is an urgent need to improve and optimize existing technology to provide a device that can promptly detect and alert to prevent large-scale natural gas pipeline leaks. Utility Model Content

[0004] To overcome the above-mentioned defects, the embodiments of this disclosure provide a collision alarm device for overhead natural gas pipelines, which solves the problem in the related art that natural gas pipelines or columns in the overhead section are damaged by collisions or scrapes from external objects, resulting in pipeline leakage, which leads to natural gas loss and increased on-site safety hazards due to untimely detection.

[0005] According to one aspect, at least one embodiment of this disclosure provides a collision alarm device for a natural gas overhead pipeline, used to monitor the columns supporting a section of a natural gas overhead pipeline, the natural gas overhead pipeline collision alarm device comprising:

[0006] A swing arm, used for swinging, is mounted on the column;

[0007] Sliding component one is slidably disposed on the column and located on one side of the swing arm and in contact with the swing arm, and is configured such that after the swing arm swings, the swing arm pushes the sliding component one to slide;

[0008] Pressure sensor 1 is mounted on the column and located on the side of the slider 1 away from the rocker arm. Pressure sensor 1 is used to transmit data to an external controller.

[0009] The elastic element has one end acting on the sliding element and the other end acting on the pressure sensor, and is used to absorb the force between the swing arm and the sliding element and to transmit the force to the pressure sensor.

[0010] For example, in a collision alarm device for an overhead natural gas pipeline provided in at least one embodiment of this disclosure, the number of the first sliding member, the first pressure sensor, and the first elastic member are all two, and they are symmetrically distributed on both sides of the swing arm. After the swing arm swings, it is configured to abut against one of the first sliding members.

[0011] For example, in at least one embodiment of the natural gas overhead pipeline collision alarm device provided in this disclosure, the natural gas overhead pipeline collision alarm device further includes:

[0012] A ring sleeve, rotatably mounted on the overhead natural gas pipeline section, has an annular cavity surrounding the outer circumference of the overhead natural gas pipeline section;

[0013] Sliding component two is slidably disposed in the annular cavity and abuts against the outer circumferential surface of the natural gas overhead pipeline section, and slides along the radial direction of the cross-section of the natural gas overhead pipeline section;

[0014] Pressure sensor two is disposed within the annular cavity;

[0015] The second elastic element, with one end acting on the second sliding element and the other end acting on the second pressure sensor, is configured to absorb the second force between the natural gas overhead pipeline section and the second sliding element, and to transmit the second force to the second pressure sensor.

[0016] For example, in a collision alarm device for a natural gas overhead pipeline provided in at least one embodiment of this disclosure, the number of the sliding member, the pressure sensor, and the elastic member are all two or more, and they are distributed in a circle around the axis of the natural gas overhead pipeline section.

[0017] For example, in a collision alarm device for a natural gas overhead pipeline provided in at least one embodiment of this disclosure, the ring includes two symmetrically distributed and connected semi-ring components, and the natural gas overhead pipeline collision alarm device further includes:

[0018] A counterweight is mounted on the semi-ring located below the overhead natural gas pipeline section.

[0019] For example, in at least one embodiment of the natural gas overhead pipeline collision alarm device provided in this disclosure, the natural gas overhead pipeline collision alarm device further includes:

[0020] A support frame is used to slide and lift on the column and to fix the overhead natural gas pipeline section.

[0021] The elastic element three has one end acting on the column and the other end acting on the support frame, and is used to apply a force close to the column to the support frame.

[0022] For example, in a collision alarm device for a natural gas overhead pipeline provided in at least one embodiment of this disclosure, the support frame has a plurality of sets of mounting holes for fixing the natural gas overhead pipeline section, and each set of mounting holes includes a plurality of mounting holes that are linearly distributed.

[0023] For example, in a collision alarm device for a natural gas overhead pipeline provided in at least one embodiment of this disclosure, the number of rings is two, and they are symmetrically distributed at both ends of the natural gas overhead pipeline section.

[0024] For example, in a collision alarm device for an overhead natural gas pipeline provided in at least one embodiment of this disclosure, the sliding member 2 has a guide rod portion, the ring sleeve has a guide sleeve portion, and the guide rod portion is slidably disposed on the guide sleeve portion.

[0025] For example, in at least one embodiment of the natural gas overhead pipeline collision alarm device provided in this disclosure, the natural gas overhead pipeline collision alarm device further includes:

[0026] An audible and visual alarm light is installed on the column and electrically connected to the external controller. It is used to receive instructions from the controller and release an audible and visual alarm to remind the user to check.

[0027] The beneficial effects of the embodiments disclosed herein are as follows:

[0028] In this disclosure, under normal circumstances, the pendulum is in a relatively stationary state, and the sliding element, pressure sensor, and elastic element are not subjected to any additional force. When the column or overhead section is impacted by an external force, causing the column to sway, the pendulum will swing due to inertia. The swinging pendulum pushes the sliding element to slide on the column. During the sliding process, the sliding element compresses the elastic element, which absorbs the force between the pendulum and the sliding element and transmits this force to the pressure sensor. After sensing the pressure change, the pressure sensor converts the pressure value data into an electrical signal and transmits it to an external controller. The controller determines whether a collision has occurred and the intensity of the collision based on a preset threshold. If the pressure value exceeds the threshold, the controller triggers an alarm system to notify relevant personnel to handle the situation promptly and prevent large-scale leaks in the natural gas pipeline due to further damage.

[0029] By coordinating the various components of this natural gas overhead pipeline collision alarm device, the problem of monitoring collisions with natural gas overhead pipeline columns is effectively solved. This device can promptly and accurately detect collisions with the columns and alert relevant personnel to take appropriate measures through the alarm system, reducing the risk of natural gas leaks and ensuring the safety of natural gas transportation. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure in one embodiment of the present disclosure;

[0032] Figure 2 for Figure 1 A partial structural diagram of the swing arm in the embodiment;

[0033] Figure 3 for Figure 1 A partial structural diagram of the support frame in the embodiment;

[0034] Figure 4 for Figure 1 A partial structural diagram of the loop in the embodiment;

[0035] In the diagram: 11. Natural gas overhead pipeline section; 12. Column; 13. Controller; 21. Swing rod; 22. Sliding component one; 23. Pressure sensor one; 24. Elastic component one; 31. Ring sleeve; 311. Annular chamber; 312. Semi-ring component; 313. Guide sleeve; 32. Sliding component two; 321. Guide rod; 33. Pressure sensor two; 34. Elastic component two; 35. Counterweight; 41. Support frame; 411. Mounting hole; 42. Elastic component three; 51. Audible and visual alarm light. Detailed Implementation

[0036] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0037] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0038] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0039] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0040] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0041] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0042] like Figures 1-4As shown, this is an embodiment of a natural gas overhead pipeline collision alarm device. This device aims to monitor the support column 12 of the natural gas overhead pipeline section 11 in real time. Once the column 12 is subjected to collision interference, it can quickly detect the disturbance and transmit the signal to an external controller 13 via a pressure sensor, so that timely measures can be taken to prevent natural gas leakage accidents. The device mainly consists of a swing arm 21, a sliding element 22, a pressure sensor 23, and an elastic element 24, which work together to achieve collision monitoring and alarm functions.

[0043] Structure of the pendulum 21: The pendulum 21 is typically made of a robust and durable metal material to ensure long-term stable operation in outdoor environments. In this example, there is a groove on the column 12, and the pendulum 21 is oscillating within the groove. One end of the pendulum 21 is connected to the column 12 via a hinge structure, which can be a hinge with ball bearings. This allows the pendulum 21 to swing flexibly on the column 12 with minimal friction during oscillation, improving its sensitivity to small changes in external force. The length of the pendulum 21 is adjusted according to the actual application scenario. Generally, it should be long enough to produce a noticeable swing when subjected to a small external force, but not so long as to affect the overall stability of the device.

[0044] Principle Explanation: The function of the swing arm 21 is to sense the swaying of the column 12. When the column 12 is subjected to a vehicle collision or other external forces and sways, a relative oscillation occurs between the swing arm 21 and the column 12 due to inertia and the hinge structure. This oscillation is the initial signal for the device to sense a collision. The swing arm 21 acts like the device's "antennae," sensitively detecting even the slightest changes in the column 12. This allows the device to quickly and accurately sense the swaying of the column 12, providing a reliable trigger signal for subsequent alarm procedures, thus improving the device's sensitivity and reliability.

[0045] Structure of Slider 22: Slider 22 is typically designed as a block-shaped structure with good sliding performance. It is made of wear-resistant material to ensure it will not be damaged by friction with the column 12 during long-term use. The shape of slider 22 should be adapted to the surface of the column 12. For example, if the column 12 is circular, the inner surface of slider 22 can be designed as an arc that fits the outer circle of the column 12 to ensure that slider 22 can slide smoothly along the surface of the column 12. In this example, slider 22 is a long, plate-like structure placed vertically; it has a matching groove or rail on the column 12. To reduce sliding resistance, a lubricating coating can be added to the surface of slider 22 in contact with the column 12, or a small rolling bearing can be installed.

[0046] Working Principle: The main function of slider 22 is to convert the oscillation of the pendulum 21 into linear sliding. When the pendulum 21 oscillates due to the shaking of the column 12, it contacts slider 22 and applies a pushing force, causing slider 22 to slide along a specific direction on the column 12. This provides a more direct and effective way for the subsequent signal acquisition by pressure sensor 23. Through the effective cooperation between slider 22 and pendulum 21, and the smooth sliding on the column 12, the oscillation of pendulum 21 can be transmitted as linear motion of slider 22, improving the efficiency and accuracy of signal transmission within the device.

[0047] Structure of pressure sensor 23: Pressure sensor 23 can be any existing sensor capable of detecting pressure changes transmitted from slider 22. Pressure sensor 23 is fixed to column 12 by a mounting bracket. The installation position should be ensured to be on the sliding path of slider 22 and located on the side of slider 22 away from rocker arm 21.

[0048] Working Principle: Pressure sensor 23 is the core signal acquisition component of the entire device. When the slider 22 slides under the push of the rocker arm 21, the pressure between the rocker arm 21 and the slider 22 is transmitted to the pressure sensor 23. The pressure sensor 23 senses this pressure and converts it into an electrical signal. This electrical signal is transmitted to the external controller 13. The controller 13 determines whether a collision has occurred and its severity based on a preset threshold. This allows for timely detection and investigation of potential leaks, enabling the timely cutoff of natural gas supply and preventing large-scale natural gas leaks.

[0049] Structure of elastic element 24: Elastic element 24 can be a spring from existing technology. One end of elastic element 24 is connected to sliding element 22, and the other end is in close contact with the pressure receiving surface of pressure sensor 23. The elastic coefficient of elastic element 24 is selected according to actual needs. For example, in general applications, a compression spring with a moderate elastic coefficient can be selected. Its length and diameter are designed according to the overall spatial layout of the device to ensure that the spring will not twist or deform excessively during operation.

[0050] Working Principle: The elastic element 24 serves a dual function in the device: buffering and force transmission. When the rocker arm 21 pushes the sliding element 22, the elastic element 24 first absorbs the large instantaneous force generated between the rocker arm 21 and the sliding element 22, preventing this force from directly impacting the pressure sensor 23 and potentially causing damage. Simultaneously, the elastic element 24 slowly and stably transmits the absorbed force to the pressure sensor 23, enabling it to accurately detect the magnitude of the force. The use of the elastic element 24 not only protects the pressure sensor 23 and extends its service life but also ensures the stability and accuracy of pressure transmission, further improving the reliability and stability of the device.

[0051] Under normal circumstances, the swing arm 21 is relatively stationary, and the sliding member 22, pressure sensor 23, and elastic member 24 are not subjected to additional forces. When the column 12 or the overhead section is impacted by an external force, causing the column 12 to sway, the swing arm 21 will swing due to inertia. The swinging swing arm 21 pushes the sliding member 22 to slide on the column 12. During the sliding process, the sliding member 22 compresses the elastic member 24. The elastic member 24 absorbs the force between the swing arm 21 and the sliding member 22 and transmits this force to the pressure sensor 23. After sensing the pressure change, the pressure sensor 23 converts the pressure value data into an electrical signal and transmits it to the external controller 13. The controller 13 determines whether a collision has occurred based on a preset threshold. If the pressure value exceeds the threshold, the controller 13 triggers the alarm system to notify relevant personnel to handle the situation promptly and prevent large-scale leaks in the natural gas pipeline due to further damage.

[0052] Through the coordinated operation of its components, this natural gas overhead pipeline collision alarm device effectively solves the problem of collision monitoring for the natural gas overhead pipeline support column 12. The device can promptly and accurately detect collisions to column 12 and alert relevant personnel to take appropriate measures via an alarm system, thereby reducing the risk of natural gas leaks and ensuring the safety of natural gas transportation.

[0053] In some examples, a monitoring unit consisting of a set of sliders 22, a pressure sensor 23, and an elastic element 24 is provided on both sides of the swing arm 21. The two monitoring units are symmetrically distributed, and the swing arm 21 is always in contact with at least one of the sliders 22 when it swings.

[0054] For example, such as Figures 1-4As shown, under normal conditions, the swing arm 21 remains stationary, and the two sliding members 22, two pressure sensors 23, and two elastic members 24 are not subjected to any additional external force. The swing arm 21 and the two sliding members 22 are in contact. When the column 12 or the overhead section is impacted by an external force, such as a vehicle scraping against the column 12 or a vehicle carrying an excessively high load hitting the overhead section, the column 12 will shake, and the swing arm 21 will swing due to inertia. The swing arm 21 will swing to one side and push the sliding member 22 to slide along the surface of the column 12. During the sliding process, the sliding member 22 will compress the elastic member 24 connected to it. The elastic member 24 absorbs the instantaneous force generated between the swing arm 21 and the sliding member 22 and stably transmits the force to the corresponding pressure sensor 23. After sensing the pressure change, the pressure sensor 23 converts the pressure value into an electrical signal and transmits it to the external controller 13. The external controller 13 determines whether a collision has occurred based on a preset threshold. If the pressure value exceeds the threshold, the controller 13 will trigger the alarm system to notify relevant personnel to handle the situation promptly. The symmetrically distributed monitoring units ensure that the swing arm 21 will swing promptly regardless of which side of the column 12 or the overhead section is impacted, improving the timeliness of the device's monitoring.

[0055] In some examples, a monitoring structure for the natural gas overhead pipeline section 11 is further added, including a ring 31, a second sliding member 32, a second pressure sensor 33, and a second elastic member 34. The ring 31 has an annular chamber 311. At the same time, the arrangement of the first sliding member 22, the first pressure sensor 23, and the first elastic member 24 is optimized so that they are distributed in a circle around the axis of the natural gas overhead pipeline section 11, thereby achieving more comprehensive collision monitoring.

[0056] like Figures 1-4 As shown, during operation, when the natural gas overhead pipeline section 11 is impacted by an external force, causing vibration and displacement, the natural gas overhead pipeline section 11 will drive the sliding member 32 to slide along the radial direction of the annular chamber 311, converting the deformation of the pipeline into linear motion of the sliding member 32. The sliding of the sliding member 32 will cause the elastic member 34 to deform. The elastic member 34 can be a spring from the existing technology. The elastic member 34 transmits the force between the sliding member 32 and the natural gas overhead pipeline section 11 to the pressure sensor 33, thereby triggering the subsequent signal acquisition of the pressure sensor 33. The pressure sensor 33 converts the pressure transmitted by the sliding member 32 into an electrical signal, providing accurate data support for the external controller 13. This allows for timely detection of collisions to the pipeline, realizing collision monitoring at various points along the natural gas pipeline.

[0057] The elastic element 34 effectively protects the pressure sensor 33, extending its service life; it also ensures the stability and accuracy of pressure transmission. By buffering instantaneous impact forces, it avoids measurement errors or damage to the pressure sensor 33 caused by excessive impact, further improving the reliability and stability of the device's collision monitoring of the natural gas overhead pipeline section 11.

[0058] By increasing the number of sensors and adopting a circumferential distribution, the comprehensiveness and accuracy of the device's collision monitoring of the column 12 are improved. Regardless of the direction of the collision between the column 12 and the natural gas overhead pipeline section 11, the corresponding sensors can be triggered in a timely manner, thus improving the reliability of the device during use.

[0059] In some examples, such as Figures 1-4 As shown, the structure of the ring sleeve 31 is refined. The ring sleeve 31 includes symmetrically distributed and connected semi-ring parts 312. The two semi-ring parts 312 facilitate the installation of the ring sleeve 31. At the same time, a counterweight 35 is added to one of the semi-ring parts 312. The counterweight 35 helps the ring sleeve 31 to rotate stably, ensuring the stability of the overall state of the ring sleeve 31. This helps to ensure the consistency of the position of the pressure sensor 33 in the annular chamber 311, which is convenient for the pressure sensor 33 to acquire data.

[0060] In some examples, the collision alarm device for overhead natural gas pipelines is further refined, for example, such as Figures 1-4 As shown, a support frame 41 and an elastic element 42 are added. Several mounting holes 411 are provided on the support frame 41. The natural gas pipeline is fixed to the support frame 41 using fastening bolts and semi-circular fasteners. The bolts pass through the mounting holes 411. The combination of multiple sets of mounting holes 411 allows for the application of natural gas pipelines of various diameters, expanding the applicability of the support frame 41. Simultaneously, if the natural gas overhead pipeline section 11 is subjected to an upward impact force, the support frame 41 slides upward along the column 12, while the support frame 41 pulls the elastic element 42. The elastic element 42 can be a spring from existing technology. The elastic element 42 extends under force, mitigating the impact force on the natural gas overhead pipeline section 11. When the external force is removed, the extended elastic element 42 releases the stored force, causing the support frame 41 to slide downward, preventing significant deformation of the natural gas overhead pipeline section 11 after impact and ensuring the stability and safety of the natural gas overhead pipeline section 11 installation.

[0061] In some examples, the number of loops 31 has been optimized, preferably two loops 31, distributed at both ends of the natural gas overhead pipeline section 11, such as... Figures 1-4As shown, when the natural gas overhead pipeline section 11 is impacted by an external force, the two rings 31 at both ends of the natural gas overhead pipeline section 11 transmit the acquired pressure data to the external controller 13, which can then make a local inference of the collision location, which is beneficial for quickly finding the collision point on site and conducting risk assessment and handling.

[0062] In some examples, the structure between the slider and the sleeve is refined. A guide rod portion 321 is added to the second slider 32, the second elastic member 34 is sleeved on the outer ring of the guide rod portion 321, and a guide sleeve portion 313 is added to the ring sleeve 31, such as... Figures 1-4 As shown, the guide rod part 321 and guide sleeve part 313 cooperate with each other to guide the expansion and contraction of the elastic element 34, preventing the elastic element 34 from twisting and deforming, causing the pressure sensor 33 to distort the monitoring data and reduce the accuracy of the device.

[0063] In some examples, an audible and visual alarm light 51 is added. When the column 12 or the natural gas overhead pipeline section 11 is subjected to force, causing the column 12 to shake and deform significantly, the pressure sensor 23 will detect a pressure value that exceeds a preset threshold. The controller 13 will issue a command to activate the audible and visual alarm light 51, prompting passing vehicles or personnel to promptly inspect the natural gas pipeline to avoid secondary damage.

[0064] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A natural gas overhead pipeline collision warning device, characterized by, The natural gas overhead pipeline collision alarm device includes a column (12) for monitoring and supporting the section (11) of the natural gas overhead pipeline. A swing arm (21) is used to swing on the column (12); Sliding member 1 (22) is slidably disposed on the column (12) and located on one side of the swing rod (21) and in contact with the swing rod (21). It is configured such that after the swing rod (21) swings, the swing rod (21) pushes the sliding member 1 (22) to slide. Pressure sensor 1 (23) is disposed on the column (12) and located on the side of the slider 1 (22) away from the rocker arm (21). Pressure sensor 1 (23) is used to transmit data to the external controller (13). The elastic element (24) acts on the sliding element (22) at one end and on the pressure sensor (23) at the other end, and is used to absorb the force between the swing rod (21) and the sliding element (22) and transmit the force to the pressure sensor (23).

2. A natural gas overhead pipeline collision warning device according to claim 1, wherein The number of each of the first sliding member (22), the first pressure sensor (23), and the first elastic member (24) is two, and they are symmetrically distributed on both sides of the swing arm (21). After the swing arm (21) swings, it is configured to abut against one of the first sliding members (22).

3. A natural gas overhead pipeline collision warning device according to claim 1, wherein The aforementioned natural gas overhead pipeline collision alarm device also includes: The ring (31) is rotatably mounted on the natural gas overhead pipeline section (11) and has an annular chamber (311) surrounding the outer circumference of the natural gas overhead pipeline section (11). Sliding component 2 (32) is slidably disposed in the annular chamber (311) and abuts against the outer circumferential surface of the natural gas overhead pipeline section (11), and slides along the radial direction of the cross section of the natural gas overhead pipeline section (11); Pressure sensor 2 (33) is disposed in the annular chamber (311); The second elastic element (34), with one end acting on the second sliding element (32) and the other end acting on the second pressure sensor (33), is configured to absorb the second force between the natural gas overhead pipeline section (11) and the second sliding element (32) and transmit the second force to the second pressure sensor (33).

4. A natural gas overhead pipeline collision warning device according to claim 3, wherein The number of each of the sliding element (22), the pressure sensor (23), and the elastic element (24) is two or more, and they are distributed in a circle with the axis of the natural gas overhead pipeline section (11) as the center.

5. A collision warning device for overhead natural gas pipelines as defined in claim 3 wherein, The ring (31) includes two symmetrically distributed and connected semi-rings (312), and the natural gas overhead pipeline collision alarm device further includes: A counterweight (35) is disposed on the semi-ring (312) located on the lower side of the natural gas overhead pipeline section (11).

6. A collision warning device for overhead natural gas pipelines as defined in claim 3 wherein, The aforementioned natural gas overhead pipeline collision alarm device also includes: The support frame (41) is used to slide and lift on the column (12) and to fix the natural gas overhead pipeline section (11). The elastic member three (42) is arranged on the support frame (41) and the stand (12), and one end of the elastic member three (42) is arranged on the stand (12), and the other end of the elastic member three (42) is arranged on the support frame (41), and the elastic member three (42) is used for applying force to the support frame (41) to make the support frame (41) close to the stand (12).

7. A natural gas overhead pipeline collision warning device according to claim 6, wherein The support frame (41) has a plurality of groups of mounting holes (411) for fixing the natural gas overhead pipeline section (11), and each group of the mounting holes (411) comprises a plurality of the mounting holes (411) arranged in a linear distribution.

8. A natural gas overhead pipeline collision warning device according to claim 3, wherein The number of the ring sleeves (31) is two, and the ring sleeves (31) are symmetrically arranged at two ends of the natural gas overhead pipeline section (11).

9. A natural gas overhead pipeline collision warning device according to claim 3, wherein The sliding member two (32) is provided with a guide rod portion (321), the ring sleeve (31) is provided with a guide sleeve portion (313), and the guide rod portion (321) is slidably arranged on the guide sleeve portion (313).

10. The natural gas overhead pipeline collision warning device of claim 1, wherein, The natural gas overhead pipeline collision alarm device further comprises: The sound-light alarm lamp (51) is arranged on the stand (12) and is electrically connected with the external controller (13), is used for receiving the instruction sent by the controller (13), and releases the sound and light for reminding the inspection.

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