High-water-level operation pipe network concealed connection pipe exploration device

Abstract

The utility model provides a high-water-level operation pipe network concealed connection pipe exploration device, and belongs to the field of underground pipe network detection. Comprising a holding rod and a reconnaissance assembly, the holding rod comprises a holding sleeve and a telescopic column, one end of the telescopic column is telescopically installed in the holding sleeve, a control panel in communication connection with the reconnaissance assembly is arranged on the holding sleeve, and a power supply mechanism used for supplying power to the reconnaissance assembly is arranged in the telescopic column. The reconnaissance assembly comprises a telescopic probe, a rotating motor, an angle sensor and a pressure sensor, the telescopic probe is connected to the side wall of the other end of the telescopic column through the rotating motor, a rotating shaft of the rotating motor is arranged in the radial direction of the telescopic column, the pressure sensor is arranged at the tail end of the telescopic probe, and the angle sensor is arranged on the telescopic probe. The technical problems of high detection difficulty and low troubleshooting accuracy caused by self defects of the existing underground pipe network troubleshooting means can be solved.

Description

Technical Field

[0001] This utility model relates to the field of underground pipeline network detection, and in particular to a device for investigating underground pipeline connections in high-water-level operating pipeline networks. Background Technology

[0002] Urban underground stormwater and sewage pipe networks are crucial municipal infrastructure, and their healthy operation directly impacts water quality and urban safety. However, illegal and concealed connections exist along these networks (including unauthorized sewage connections, incorrect or mixed connections, and leaks). These connections allow for the illegal infiltration of external water (groundwater, river water, spring water, etc.) or the illegal overflow of sewage, severely disrupting the hydraulic operation of the pipe network system. This results in diluted influent concentration at sewage treatment plants, decreased treatment efficiency, and soaring operating costs. Furthermore, sewage overflows or clean water infiltration are key pollution sources contributing to black and odorous water bodies, water quality deterioration, and aquatic ecosystem damage, significantly hindering the consolidation of black and odorous water body remediation efforts and the improvement of overall urban water environment operational efficiency.

[0003] To identify and locate pipeline defects and illegal access points, the industry has developed a series of inspection technologies. Current mainstream methods include: Closed-Circuit Television (CCTV) inspection, using pipeline robots equipped with cameras for internal video inspection; sonar inspection, using sound waves to detect underwater pipe wall conditions and siltation; Quad-Video (QV) inspection, used for rapid inspection of pipe sections near wellheads; tracer detection, using fluorescent or salt tracers to locate seepage / external seepage points; and auxiliary methods such as manual well-tracking and Ground Penetrating Radar (GPR). These technologies have different applications in different scenarios and constitute the basic toolset for current pipeline defect detection.

[0004] Currently, underground pipe networks in many Chinese cities are generally operating under high water levels or even full-flow conditions. This condition poses a severe challenge to the aforementioned conventional inspection techniques: CCTV and pipeline robots rely on low water levels or waterless environments for effective operation; high water levels can submerge cameras and lights, leading to blurred vision or even complete failure, and also hindering robot movement; while sonar detection can work underwater, the acoustic signal is easily interfered with under full-flow or high-velocity conditions; QV and manual manhole entry are limited by the location of the inspection well, resulting in a limited detection range and inability to cover the middle section of the pipeline, and the cost of working in manholes under high water levels is extremely high; in pipeline networks with high flow rates, large diameters, or complex topologies, the tracer is easily diluted and diffused, resulting in poor positioning accuracy. Therefore, in pipeline networks operating under high water levels, existing technologies generally suffer from ineffective implementation, distorted detection results, and low positioning accuracy. Utility Model Content

[0005] This utility model provides a device for investigating underground pipe connections in high-water-level operating pipeline networks, which can solve the technical problems of high detection difficulty and low accuracy caused by the inherent defects of existing underground pipeline network investigation methods. The technical solution is as follows:

[0006] This utility model embodiment provides a device for surveying concealed pipe connections in high-water-level pipeline networks, including: a holding rod and survey components.

[0007] The gripping rod includes a gripping sleeve and a telescopic column. One end of the telescopic column is telescopically installed in the gripping sleeve. The gripping sleeve is provided with a control panel that is communicatively connected to the exploration component. The telescopic column is provided with a power supply mechanism for supplying power to the exploration component.

[0008] The exploration assembly includes a telescopic probe, a rotary motor, an angle sensor, and a pressure sensor. The telescopic probe is connected to the other side wall of the telescopic column via the rotary motor. The rotating shaft of the rotary motor is arranged radially along the telescopic column. The pressure sensor is located at the end of the telescopic probe, and the angle sensor is located on the telescopic probe.

[0009] Optionally, the surveying component further includes a ranging device, which includes a pulse generator and a pulse receiver, the pulse generator and the pulse receiver being disposed inside the other end of the telescopic column.

[0010] Optionally, the transmitting end of the pulse generator is arranged opposite to the telescopic probe.

[0011] Optionally, the other end of the telescopic column is provided with an elastic protective layer.

[0012] Optionally, a sealing cover is provided at the other end of the telescopic column, the sealing cover is detachably connected to the telescopic column, and the elastic protective layer is provided on the sealing cover.

[0013] Optionally, the power supply mechanism is a battery that is detachably connected to the telescopic column.

[0014] Optionally, it also includes a movable clamp, which is installed at the connection between the grip sleeve and the telescopic column.

[0015] Optionally, the end of the grip sleeve away from the telescopic column is provided with anti-slip texture.

[0016] The beneficial effects of the technical solution provided by this utility model embodiment include at least the following:

[0017] The high-water-level underground pipeline concealed pipe detection device provided in this embodiment allows operators to hold a sleeve above the well to be inspected. The telescopic column on the grip is adjusted to match the well height to lower the telescopic probe to the desired location below the water surface, eliminating the need for underwater operations. Simultaneously, the control panel provides global control of the detection components and collects feedback information. By controlling the radial extension and retraction of the telescopic probe relative to the grip, the presence of concealed pipes in the well is determined using data feedback from the extension length and end pressure sensor. After confirmation, the probe is longitudinally rotated to further acquire and collect dimensional information about the concealed pipes, facilitating subsequent processing. This effectively solves the technical problems of high detection difficulty and low accuracy caused by the inherent limitations of existing underground pipeline inspection methods. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of the high-water-level operation network concealed pipe connection exploration device provided in this embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the high-water-level operation network concealed pipe connection survey device provided in this embodiment of the utility model, which is equipped with a movable clamp;

[0021] Figure 3 This is a partial structural cross-sectional view of the telescopic column in the high-water-level operation network underground pipe connection exploration device provided in this embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the working status of the high-water-level operation network underground pipe connection exploration device provided in this embodiment of the utility model.

[0023] In the diagram: 1-Holding rod; 2-Exploration component; 3-Modible clamp; 11-Holding sleeve; 12-Telescopic column; 21-Telescopic probe; 22-Rotation motor; 23-Angle sensor; 24-Pressure sensor; 25-Distance measuring device; 111-Control panel; 112-Anti-slip texture; 121-Power supply mechanism; 122-Elastic protective layer; 123-Sealing cover; 251-Pulse generator; 252-Pulse receiver; m-Well to be explored; n-Dark connection pipe. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of the structure of the high-water-level operation network concealed pipe connection exploration device provided in this embodiment of the utility model; Figure 2 This is a schematic diagram of the high-water-level operation network concealed pipe connection survey device provided in this embodiment of the utility model, which is equipped with a movable clamp; Figure 3 This is a partial structural cross-sectional view of the telescopic column in the high-water-level operation network underground pipe connection exploration device provided in this embodiment of the utility model; Figure 4 This is a schematic diagram illustrating the working state of the high-water-level operation network concealed pipe connection survey device provided in this embodiment of the utility model. Figures 1 to 4 As shown, this utility model embodiment provides a device for surveying underground pipe connections in high-water-level operating pipelines, including a holding rod 1 and a surveying component 2.

[0026] The gripping rod 1 includes a gripping sleeve 11 and a telescopic column 12. One end of the telescopic column 12 is telescopically mounted in the gripping sleeve 11. The gripping sleeve 11 is provided with a control panel 111 that is communicatively connected to the exploration component 2. Exemplarily, in this embodiment of the invention, the control panel 111 can be located on the top end face of the gripping sleeve 11, integrating a screen and control buttons. In other possible implementations, the control panel 111 can also be located on the side wall of the gripping sleeve 11. A power supply mechanism 121 for supplying power to the exploration component 2 is provided inside the telescopic column 12.

[0027] The exploration component 2 includes a telescopic probe 21, a rotary motor 22, an angle sensor 23, and a pressure sensor 24. The telescopic probe 21 is connected to the other side wall of the telescopic column 12 via the rotary motor 22. The rotating shaft of the rotary motor 22 is arranged radially along the telescopic column 12. The pressure sensor 24 is located at the end of the telescopic probe 21, and the angle sensor 23 is located on the telescopic probe 21.

[0028] In this embodiment of the invention, during the exploration of underground pipe connections in a high-water-level pipeline network, the operation is performed by hand. After the well cover of the well to be explored is opened, the operator adjusts the length of the grip rod 1 in advance according to the well depth data, and extends the telescopic column 12 from the grip sleeve 11 to match the well depth. By manually holding one end of the grip sleeve 11, the operator lowers the telescopic column 12 and the telescopic probe 21 set at the end of the telescopic column from the wellhead into the high-water-level pipeline network. After the telescopic probe 21 is lowered to the position to be explored, the operator can operate and control the exploration component 2 through the control panel 111 on the grip sleeve 11, operate the telescopic probe 21 to extend radially along the telescopic column 12, and repeatedly probe around the well using the pressure sensor 24 at the end of the telescopic probe 21 by axially rotating the grip sleeve 11. If there is no concealed pipe around the well, the telescopic probe 21 will display its extension length after touching the well wall and send feedback to the control panel 111. Additionally, the telescopic probe 21 will experience a reaction force from the well wall after contacting it; if this force exceeds a preset value, the probe can be retracted. If there is a concealed pipe around the well, the telescopic probe 21 will extend into it. The extension distance reported by the telescopic probe 21 on the control panel 111 will differ from that of other locations. In this case, the operator can obtain this information and make a judgment by visual observation or by receiving an audible and visual alert from the control panel 111. Furthermore, once it is confirmed that a concealed pipe exists, the control panel 111 can be used to lock the telescopic probe 21 in place, and the rotating motor 22 can be used to control the telescopic probe 21 to swing up and down to probe inside the concealed pipe. When the pressure sensor 24 of the telescopic probe 21 experiences a force exceeding a preset value from the top and bottom of the concealed pipe, it will retract. The control panel 111 can record the extension length of the telescopic probe 21, the swing angle, and the lowering distance of the telescopic column 12. Operators can calculate the top elevation, bottom elevation, and inner diameter of the concealed pipe by using the parameters on control panel 111.

[0029] For example, refer to Figure 4 When there is a hidden pipe n inside the well m to be explored, the calculation formulas for various exploration data of the hidden pipe n are as follows:

[0030] D1=L / sin a (1)

[0031] D2=L / sin b (2)

[0032] D = D1 + D2 (3)

[0033] h1 = H - (h - D1) (4)

[0034] h2=H-(h+D2) (5)

[0035] In the formula: L represents the extension length of telescopic probe 21; D1 represents the vertical distance between the intersection point of the dark connector n and the telescopic probe 2 of length L and its horizontal state; D2 represents the vertical distance between the intersection point of the dark connector n and the telescopic probe 2 of length L and its horizontal state; D represents the inner diameter of the dark connector n; h1 represents the top elevation of the dark connector n; h2 represents the bottom elevation of the compliant dark connector n.

[0036] The high-water-level underground pipeline concealed pipe detection device provided in this embodiment allows operators to hold the sleeve 11 above the well to be inspected. The telescopic column 12 on the holding rod 1 is adjusted to match the well height to lower the telescopic probe 21 to the detection position below the water surface of the high-water-level well, eliminating the need for underwater operations. Simultaneously, the control panel 111 provides global control of the detection component 2 and collects feedback information. By controlling the radial extension and retraction of the telescopic probe 21 relative to the holding rod 1, the presence of concealed pipes in the well is determined through data feedback from the extension length and the end pressure sensor 24. After confirmation, the telescopic probe 21 is longitudinally rotated to further acquire and collect dimensional information about the concealed pipes, facilitating subsequent processing. This effectively solves the technical problems of high detection difficulty and low accuracy caused by the inherent defects of existing underground pipeline inspection methods.

[0037] Optionally, the exploration component 2 further includes a ranging device 25, which includes a pulse generator 251 and a pulse receiver 252, both disposed inside the other end of the telescopic column 12. Exemplarily, in this embodiment of the invention, in addition to using the telescopic probe 21 to physically investigate the presence of a downhole pipe, the telescopic column 12 connecting to the telescopic probe 21 also integrates a ranging device 25. When the downhole diameter of the rainwater pipe well (the well to be explored) is large, making it difficult for the telescopic probe 21 to accurately contact it within its travel range, the pulse generator 251 can emit acoustic pulses towards the well wall, and the pulse receiver 252 can replenish the reflected signal. The distance is measured using the time difference and propagation speed relationship, and the presence of the downhole pipe is determined by the deviation of data from multiple measurements, further improving adaptability.

[0038] Optionally, the transmitting end of the pulse generator 251 is arranged opposite to the telescopic probe 21. Exemplarily, in this embodiment of the invention, by arranging it in the opposite direction to the telescopic probe 21 and other physical surveying mechanisms, signal interference is avoided while enabling simultaneous bidirectional surveying, further improving surveying efficiency.

[0039] Optionally, an elastic protective layer 122 is provided at the other end of the telescopic column 12. Exemplarily, in this embodiment of the invention, by providing an elastic protective layer 122, such as a rubber sleeve structure, at the bottom of the telescopic column 12 where it extends into the well to be explored, the telescopic column 12 is prevented from colliding with the well bottom due to the operator's personal operation during descent, thus providing shock absorption and buffering, preventing damage to the exploration component 2 connected to it, and improving the overall service life.

[0040] Optionally, a sealing cover 123 is provided at the other end of the telescopic column 12. The sealing cover 123 is detachably connected to the telescopic column 12, and an elastic protective layer 122 is provided on the sealing cover 123. Exemplarily, in this embodiment of the present invention, the bottom end of the telescopic column 12 is sealed with a detachable sealing cover 123. During installation, a threaded connection with a sealing ring or similar method can be used for sealing. When not in use, the sealing cover 123 can be removed to replace internal electronic components, such as the rechargeable battery inside the power supply mechanism 121, or to inspect and maintain signal transceivers such as Bluetooth modules, further improving the overall service life and ease of maintenance.

[0041] Optionally, a movable clamp 3 is also included, which is installed at the connection between the grip sleeve 11 and the telescopic column 12. Exemplarily, in one possible embodiment of this utility model, the grip sleeve 11 and the telescopic column 12 of the grip rod 1 are physically connected. After the telescopic length is adjusted, the connection is locked and fixed by an external movable clamp 3, ensuring stable length during operation. This design is simple, easy to adjust, and minimizes operating costs. In another possible implementation, the grip rod 1 can also adopt an electrically controlled telescopic rod structure such as an electric push rod.

[0042] Optionally, the end of the grip sleeve 11 away from the telescopic column 12 is provided with anti-slip texture 112. Exemplarily, in this embodiment of the present invention, by providing anti-slip texture 112 on the top of the grip sleeve 11, the grip stability of the operator on the grip sleeve 11 is improved, preventing it from loosening and falling off, and effectively improving practicality.

[0043] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms “comprising” or “including” and similar terms mean that the elements or objects preceding “comprising” or “including” encompass the elements or objects listed following “comprising” or “including” and their equivalents, and do not exclude other elements or objects. The terms “connected” or “linked” and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0044] The above description is only an optional embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for surveying a dark joint of a pipe network at a high water level, characterized in that include: Grip lever (1) and surveying assembly (2). The gripping rod (1) includes a gripping sleeve (11) and a telescopic column (12). One end of the telescopic column (12) is telescopically installed in the gripping sleeve (11). The gripping sleeve (11) is provided with a control panel (111) that is communicatively connected to the exploration component (2). The telescopic column (12) is provided with a power supply mechanism (121) for supplying power to the exploration component (2). The exploration component (2) includes a telescopic probe (21), a rotating motor (22), an angle sensor (23), and a pressure sensor (24). The telescopic probe (21) is connected to the other side wall of the telescopic column (12) through the rotating motor (22). The rotating shaft of the rotating motor (22) is arranged radially along the telescopic column (12). The pressure sensor (24) is located at the end of the telescopic probe (21), and the angle sensor (23) is located on the telescopic probe (21).

2. The device for investigating concealed pipe connections in high-water-level operating pipelines according to claim 1, characterized in that, The survey component (2) also includes a ranging device (25), which includes a pulse generator (251) and a pulse receiver (252), which are located inside the other end of the telescopic column (12).

3. The device for investigating concealed pipe connections in high-water-level operating pipelines according to claim 2, characterized in that, The transmitting end of the pulse generator (251) is arranged opposite to the telescopic probe (21).

4. The device for investigating concealed pipe connections in high-water-level operating pipelines according to claim 1, characterized in that, An elastic protective layer (122) is provided at the other end of the telescopic column (12).

5. The device for investigating concealed pipe connections in high-water-level operating pipelines according to claim 4, characterized in that, The other end of the telescopic column (12) is provided with a sealing cover (123), the sealing cover (123) is detachably connected to the telescopic column (12), and the elastic protective layer (122) is provided on the sealing cover (123).

6. A device for investigating concealed pipe connections in high-water-level operating pipelines according to any one of claims 1 to 5, characterized in that, The power supply mechanism (121) is a battery that is detachably connected to the telescopic column (12).

7. A device for investigating concealed pipe connections in high-water-level operating pipelines according to any one of claims 1 to 5, characterized in that, It also includes a movable clamp (3), which is installed at the connection between the grip sleeve (11) and the telescopic column (12).

8. A device for investigating concealed pipe connections in high-water-level operating pipelines according to any one of claims 1 to 5, characterized in that, The end of the grip sleeve (11) away from the telescopic column (12) is provided with anti-slip texture (112).

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