Telescopic underground pipeline measuring device

Abstract

The utility model discloses a telescopic underground pipeline measuring device, and relates to the technical field of underground pipeline measurement. The multi-stage telescopic handle comprises a handle rod, a folding fixing mechanism is arranged in the handle rod, a multi-stage telescopic mechanism is arranged in the folding fixing mechanism, and an angle rotating mechanism is arranged at the telescopic end of the multi-stage telescopic mechanism. According to the utility model, the telescopic end of the multi-stage telescopic mechanism drives the angle rotating mechanism to stretch out and draw back, so that the measuring end of the angle rotating mechanism goes deep into the underground pipeline, and the measuring end of the angle rotating mechanism is synchronously controlled to rotate and adjust in the telescopic process, thereby realizing the full-circumferential scanning measurement of the interior of the pipeline; the angle between the multi-stage telescopic mechanism and the grip rod is adjusted through the folding fixing mechanism, so that the multi-stage telescopic mechanism is parallel to the underground pipeline to adapt to measurement of underground inclined pipelines at different angles; through push-type measurement and rotation angle compensation, measurement blind areas between adjacent detection wells can be covered, and measurement data are improved.

Description

Technical Field

[0001] This utility model belongs to the field of underground pipeline measurement technology, and specifically relates to a retractable underground pipeline measurement device. Background Technology

[0002] Underground pipeline surveying refers to the process of accurately detecting, locating, and recording information such as the spatial location, burial depth, direction, material, diameter, and detection details of underground pipelines through geophysical exploration techniques (such as ground-penetrating radar and electromagnetic methods), surveying instruments (total station, GNSS, etc.) and information technology.

[0003] When measuring underground pipelines, it is necessary to open the manhole cover for detection. The main purpose is to obtain key information such as the precise location, burial depth, material, diameter, direction, connection relationship and auxiliary facilities (such as valves and joints) of the pipeline by directly contacting or observing the pipeline inside the manhole. At the same time, it verifies the accuracy of trenchless detection technology (such as electromagnetic method and ground penetrating radar) and checks whether there are hidden dangers such as damage, blockage, corrosion or leakage in the pipeline, so as to ensure the reliability of measurement data and safety assessment of pipeline system.

[0004] Existing underground pipeline measurement devices first reach the location to be inspected, then open the manhole cover at that inspection point, and insert the measuring equipment into the area around the underground pipeline inside the inspection manhole to take measurements. The measurement data is recorded synchronously using a positioning module (such as GPS or inertial navigation), and wireless transmission technology is used to send the data back to the monitoring platform. The platform analyzes the data through algorithms and finally generates an inspection report and a visual map, updates the pipeline database, and forms a closed-loop safety management system.

[0005] However, when existing underground pipeline measurement equipment performs detection operations inside inspection wells, it can flexibly penetrate underground pipelines by inserting flexible laser measuring devices deep into them. However, due to the limited depth of laser ranging, long-distance pipelines between adjacent inspection wells will have measurement blind spots, affecting the measurement data. Utility Model Content

[0006] To address the problem that the limited depth of laser ranging in related technologies leads to measurement blind spots in long-distance pipelines between adjacent monitoring wells, this utility model proposes a retractable underground pipeline measuring device to overcome the aforementioned technical problems existing in the current related technologies.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model is a telescopic underground pipeline measuring device, including a handle rod, a folding and fixing mechanism is provided inside the handle rod, a multi-stage telescopic mechanism is provided inside the folding and fixing mechanism, and an angle rotation mechanism is provided at the telescopic end of the multi-stage telescopic mechanism.

[0009] The multi-stage telescopic mechanism drives the angle rotation mechanism to extend and retract, so that the measuring end of the angle rotation mechanism extends into the underground pipeline, and the angle rotation mechanism drives its measuring end to adjust the rotation angle.

[0010] Furthermore, the folding and fixing mechanism includes a folding rod, which is rotatably connected inside the handle bar. A torsion spring is sleeved at the connection between the folding rod and the handle bar. A support frame is fixedly connected to one end of the handle bar. A rotating rod is rotatably connected inside the support frame. A rope is fixedly connected to the surface of the rotating rod. One end of the rope is fixedly connected to the surface of the folding rod. A roller is rotatably connected inside the handle bar. The rope is slidably connected to the surface of the roller. A fixing bolt is threadedly connected to one side of the rotating rod.

[0011] Furthermore, a limiting rod is fixedly connected inside the grip bar, a moving block is slidably connected to the surface of the limiting rod, a bracket is rotatably connected to one end of the moving block, a spring is sleeved on the surface of the limiting rod, and the bracket is slidably connected to the surface of the grip bar.

[0012] Furthermore, the multi-stage telescopic mechanism includes a primary telescopic rod, which is splinedly connected inside the folding rod, and a secondary telescopic rod is splinedly connected inside the primary telescopic rod.

[0013] Furthermore, a primary threaded rod is rotatably connected inside the folding rod, and a primary telescopic rod is threadedly connected to the surface of the primary threaded rod. A secondary threaded rod is rotatably connected inside the primary telescopic rod, and a secondary telescopic rod is threadedly connected to the surface of the secondary threaded rod. A limiting groove is formed on the surface of the primary threaded rod, and the secondary threaded rod is slidably connected to the surface of the primary threaded rod and the limiting groove inside.

[0014] Furthermore, a first motor is fixedly installed inside the folding rod, and the output shaft of the first motor is fixedly connected to a primary threaded rod.

[0015] Furthermore, the angle rotation mechanism includes a mounting base, which is fixedly connected to one end of the secondary telescopic rod. A rotating disk is rotatably connected to one end of the mounting base. A camera body, a lighting lamp body, and a measuring instrument body are fixedly mounted on the surface of the rotating disk. A second motor is fixedly connected inside the mounting base, and the output shaft of the second motor is fixedly connected to the rotating disk.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model uses the telescopic end of a multi-stage telescopic mechanism to drive the angle rotation mechanism to telescopically extend and retract, allowing the measuring end of the angle rotation mechanism to penetrate deep into the underground pipeline. During the telescopic process, the measuring end of the angle rotation mechanism is synchronously controlled to rotate and adjust, achieving full-circumferential scanning measurement inside the pipeline. Through propulsion measurement and rotation angle compensation, the measurement blind zone between adjacent detection wells can be covered, improving the measurement data.

[0018] 2. When measuring underground inclined tubes, the torsion spring drives the folding rod to flip at one end of the handle, forming an angle with the handle. By rotating the rotating rod, the rod winds the rope, which slides on the roller surface. Then, the rope drives the folding rod to flip at one end of the handle. After the angle between the folding rod and the handle is adjusted, the fixing bolt is rotated to press the fixing bolt against one side of the support frame, preventing the rotating rod from rotating and completing the fixation. This allows the device to be adapted to the measurement of underground inclined tubes, improving its adaptability.

[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a partial structural diagram of the folding and fixing mechanism of this utility model;

[0023] Figure 3 This is a partial structural diagram of the folding and fixing mechanism of this utility model;

[0024] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0025] Figure 5 This is a cross-sectional structural diagram of the multi-stage telescopic mechanism of this utility model;

[0026] Figure 6 This is a side cross-sectional view of the multi-stage telescopic mechanism of this utility model.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Handle bar; 3. Folding and fixing mechanism; 301. Folding rod; 302. Torsion spring; 303. Support frame; 304. Rotating rod; 305. Rope; 306. Roller; 307. Fixing bolt; 308. Limiting rod; 309. Moving block; 310. Card holder; 311. Spring; 4. Multi-stage telescopic mechanism; 401. First-stage telescopic rod; 402. Second-stage telescopic rod; 403. First-stage threaded rod; 404. Second-stage threaded rod; 405. Limiting groove; 406. First motor; 5. Angle rotation mechanism; 501. Mounting base; 502. Rotating disk; 503. Camera body; 504. Lighting lamp body; 505. Measuring instrument body; 506. Second motor. Detailed Implementation

[0029] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0030] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements 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 the utility model.

[0031] Please see Figures 1-6 As shown, this utility model is a telescopic underground pipeline measuring device, including a handle 1. The handle 1 is provided with a folding and fixing mechanism 3. The folding and fixing mechanism 3 is provided with a multi-stage telescopic mechanism 4. The telescopic end of the multi-stage telescopic mechanism 4 is provided with an angle rotation mechanism 5.

[0032] The multi-stage telescopic mechanism 4 drives the angle rotation mechanism 5 to extend and retract, so that the measuring end of the angle rotation mechanism 5 extends into the underground pipeline, and the angle rotation mechanism 5 drives its measuring end to adjust the rotation angle.

[0033] By placing the device at the wellhead, the multi-stage telescopic mechanism 4 is disengaged from the handle 1 by the folding and fixing mechanism 3. The folding and fixing mechanism 3 adjusts the angle between the multi-stage telescopic mechanism 4 and the handle 1 so that the multi-stage telescopic mechanism 4 is parallel to the underground pipeline to accommodate the measurement of underground inclined pipelines at different angles. The telescopic end of the multi-stage telescopic mechanism 4 drives the angle rotation mechanism 5 to telescopically extend and retract, so that the measuring end of the angle rotation mechanism 5 penetrates into the underground pipeline. The angle rotation mechanism 5 drives its measuring end to rotate and adjust the angle, thus completing the measurement of the inside of the underground pipeline.

[0034] The multi-stage telescopic mechanism 4 drives the angle rotation mechanism 5 to extend and retract, allowing the measuring end of the angle rotation mechanism 5 to penetrate deep into the underground pipeline. During the extension and retraction process, the measuring end of the angle rotation mechanism 5 is simultaneously controlled to rotate and adjust, achieving full circumferential scanning measurement inside the pipeline. Through propulsion measurement and rotation angle compensation, the measurement blind zone between adjacent detection wells can be covered, improving the measurement data.

[0035] In one embodiment, the folding and fixing mechanism 3 includes a folding rod 301 rotatably connected inside the handle rod 1. A torsion spring 302 is sleeved at the connection between the folding rod 301 and the handle rod 1. A support frame 303 is fixedly connected to one end of the handle rod 1. A rotating rod 304 is rotatably connected inside the support frame 303. A rope 305 is fixedly connected to the surface of the rotating rod 304. One end of the rope 305 is fixedly connected to the surface of the folding rod 301. A roller 306 is rotatably connected inside the handle rod 1. The rope 305 is slidably connected to the surface of the roller 306. A fixing bolt 307 is threadedly connected to one side of the rotating rod 304. A limiting rod 308 is fixedly connected inside the handle rod 1. A moving block 309 is slidably connected to the surface of the limiting rod 308. A bracket 310 is rotatably connected to one end of the moving block 309. A spring 311 is sleeved on the surface of the limiting rod 308. The bracket 310 is slidably connected to the surface of the handle rod 1.

[0036] By loosening the fixing bolt 307, the sliding bracket 310 is moved, causing the bracket 310 to drive the moving block 309 to shift. The moving block 309 slides on the surface of the limiting rod 308 and compresses the spring 311, causing the bracket 310 to disengage from the surface of the folding rod 301. Then, the bracket 310 is flipped to the other side of the handle rod 1. The torsion spring 302 causes the folding rod 301 to flip at one end of the handle rod 1, forming an angle with it. By rotating the rotating rod 304, the rod winds the rope 305. The rope 305 slides on the surface of the roller 306, and then the rope 305... 05 Drive the folding rod 301 to flip at one end of the handle bar 1. After the angle between the folding rod 301 and the handle bar 1 is adjusted, rotate the fixing bolt 307 to press the fixing bolt 307 against one side of the support frame 303, so that the rotating rod 304 cannot rotate, thus completing the fixation. When it is necessary to completely retract and fix the folding rod 301, loosen the fixing bolt 307 so that the folding rod 301 is completely retracted into the handle bar 1. Flip the bracket 310 back to its original position. Drive the moving block 309 back to its original position through the spring 311, and then drive the bracket 310 to close the surface of the folding rod 301, thus completing the stabilization of the folding rod 301.

[0037] In one embodiment, the multi-stage telescopic mechanism 4 includes a primary telescopic rod 401, which is splinedly connected to the inside of the folding rod 301. A secondary telescopic rod 402 is splinedly connected inside the primary telescopic rod 401. A primary threaded rod 403 is rotatably connected inside the folding rod 301. The primary threaded rod 403 is threadedly connected to the primary telescopic rod 401. A secondary threaded rod 404 is rotatably connected inside the primary telescopic rod 401. The secondary threaded rod 404 is threadedly connected to the secondary telescopic rod 402. A limiting groove 405 is formed on the surface of the primary threaded rod 403. The secondary threaded rod 404 is slidably connected to the surface of the primary threaded rod 403 and the limiting groove 405. A first motor 406 is fixedly installed inside the folding rod 301. The output shaft of the first motor 406 is fixedly connected to the primary threaded rod 403.

[0038] The first motor 406 drives the first-stage threaded rod 403 to rotate, causing the first-stage threaded rod 403 to drive the first-stage telescopic rod 401 to slide inside the folding rod 301. At the same time, the first-stage telescopic rod 401 drives the second-stage threaded rod 404 to move, and the second-stage threaded rod 404 slides on the surface of the first-stage threaded rod 403 and in the limiting groove 405. When the first-stage threaded rod 403 rotates through the limiting groove 405, the second-stage threaded rod 404 rotates synchronously, causing the second-stage threaded rod 404 to drive the second-stage telescopic rod 402 to move on the surface of the first-stage telescopic rod 401, thus completing the extension and retraction of the second-stage telescopic rod 402.

[0039] In one embodiment, the angle rotation mechanism 5 includes a mounting base 501, which is fixedly connected to one end of the secondary telescopic rod 402. A rotating disk 502 is rotatably connected to one end of the mounting base 501. A camera body 503, a lighting lamp body 504, and a measuring instrument body 505 are fixedly mounted on the surface of the rotating disk 502. A second motor 506 is fixedly connected inside the mounting base 501, and the output shaft of the second motor 506 is fixedly connected to the rotating disk 502.

[0040] The mounting base 501 is moved by one end of the secondary telescopic rod 402. When a rotation angle is required, the second motor 506 drives the rotating disk 502 to rotate, so that the rotating disk 502 drives the camera body 503, the lighting lamp body 504 and the measuring instrument body 505 to rotate and adjust, so as to realize full-circumferential scanning measurement of the pipeline. The camera body 503 is convenient for viewing and the lighting lamp body 504 is convenient for illumination. Both are existing technologies.

[0041] The measuring instrument body 505 scans the inner wall of the pipeline by emitting a laser beam, calculates the time / phase difference of the reflected signal using the time-of-flight method or the phase difference principle, converts it into distance data, performs multi-directional scanning by rotating the measuring head, records the pose data with the built-in IMU and odometer, and generates a three-dimensional model of the pipeline by combining the laser point cloud. This is existing technology and will not be described in detail.

[0042] Through the above technical solution, 1. The first motor 406 drives the primary threaded rod 403 to rotate, causing the primary threaded rod 403 to drive the primary telescopic rod 401 to slide inside the folding rod 301. At the same time, the primary telescopic rod 401 drives the secondary threaded rod 404 to move, and the secondary threaded rod 404 slides on the surface of the primary threaded rod 403 and in the limiting groove 405. When the primary threaded rod 403 rotates through the limiting groove 405, the secondary threaded rod 404 rotates synchronously, causing the secondary threaded rod 404 to drive the secondary telescopic rod 402 to move on the surface of the primary telescopic rod 401, completing the extension and retraction of the secondary telescopic rod 402. One end of the secondary telescopic rod 402 drives the mounting base 501 to move. When a rotation angle is required, the second motor 506 drives the rotating disk 502 to rotate, causing the rotating disk 502 to drive the camera body 503, the lighting lamp body 504, and the measuring instrument body 505 to rotate and adjust, realizing full-circumferential scanning measurement of the pipeline.

[0043] 2. When measuring the underground inclined tube, the torsion spring 302 drives the folding rod 301 to flip at one end of the handle rod 1, so that it forms an angle with the handle rod 1. By rotating the rotating rod 304, the rotating rod 304 winds the rope 305. The rope 305 slides on the surface of the roller 306. Then, the rope 305 drives the folding rod 301 to flip at one end of the handle rod 1. After the angle between the folding rod 301 and the handle rod 1 is adjusted, the fixing bolt 307 is rotated to press the fixing bolt 307 against one side of the support frame 303, so that the rotating rod 304 cannot rotate, thus completing the fixation. This allows the device to be adapted to the measurement of the underground inclined tube, improving the adaptability of the device.

[0044] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0045] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A retractable underground pipeline measuring device, comprising a handle (1), characterized in that, The handle (1) is provided with a folding and fixing mechanism (3), and the folding and fixing mechanism (3) is provided with a multi-stage telescopic mechanism (4), and the telescopic end of the multi-stage telescopic mechanism (4) is provided with an angle rotation mechanism (5). The multi-stage telescopic mechanism (4) drives the angle rotation mechanism (5) to extend and retract, so that the measuring end of the angle rotation mechanism (5) extends into the underground pipeline, and the angle rotation mechanism (5) is rotated to drive its measuring end to adjust the rotation angle.

2. The retractable underground pipeline measuring device according to claim 1, characterized in that, The folding and fixing mechanism (3) includes a folding rod (301), which is rotatably connected inside the handle (1). A torsion spring (302) is sleeved at the connection between the folding rod (301) and the handle (1). A support frame (303) is fixedly connected to one end of the handle (1). A rotating rod (304) is rotatably connected inside the support frame (303). A rope (305) is fixedly connected to the surface of the rotating rod (304). One end of the rope (305) is fixedly connected to the surface of the folding rod (301). A roller (306) is rotatably connected inside the handle (1). The rope (305) is slidably connected to the surface of the roller (306). A fixing bolt (307) is threadedly connected to one side of the rotating rod (304).

3. The retractable underground pipeline measuring device according to claim 2, characterized in that, The grip (1) is internally fixedly connected to a limiting rod (308), and a moving block (309) is slidably connected to the surface of the limiting rod (308). One end of the moving block (309) is rotatably connected to a bracket (310). A spring (311) is sleeved on the surface of the limiting rod (308), and the bracket (310) is slidably connected to the surface of the grip (1).

4. The retractable underground pipeline measuring device according to claim 3, characterized in that, The multi-stage telescopic mechanism (4) includes a first-stage telescopic rod (401), which is splined inside the folding rod (301), and a second-stage telescopic rod (402) is splined inside the first-stage telescopic rod (401).

5. A retractable underground pipeline measuring device according to claim 4, characterized in that, The folding rod (301) is rotatably connected to a primary threaded rod (403), and the surface of the primary threaded rod (403) is threadedly connected to a primary telescopic rod (401). The primary telescopic rod (401) is rotatably connected to a secondary threaded rod (404), and the surface of the secondary threaded rod (404) is threadedly connected to a secondary telescopic rod (402). A limiting groove (405) is formed on the surface of the primary threaded rod (403), and the secondary threaded rod (404) is slidably connected to the surface of the primary threaded rod (403) and the limiting groove (405).

6. A retractable underground pipeline measuring device according to claim 3, characterized in that, The first motor (406) is fixedly installed inside the folding rod (301), and the output shaft of the first motor (406) is fixedly connected to the first-stage threaded rod (403).

7. A retractable underground pipeline measuring device according to claim 6, characterized in that, The angle rotation mechanism (5) includes a mounting base (501), which is fixedly connected to one end of the secondary telescopic rod (402). A rotating disk (502) is rotatably connected to one end of the mounting base (501). A camera body (503), a lighting lamp body (504), and a measuring instrument body (505) are fixedly mounted on the surface of the rotating disk (502). A second motor (506) is fixedly connected inside the mounting base (501), and the output shaft of the second motor (506) is fixedly connected to the rotating disk (502).

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