Pipeline detection device

Abstract

The utility model discloses a pipeline detection device which comprises a probe rod, a support, sonar detection equipment and an insertion rod, the support is arranged at the bottom of the probe rod, and the sonar detection equipment capable of rotating horizontally and the insertion rod are arranged on the support. Compared with the prior art, the detection device has the advantages that the detection of the thickness of the sludge is realized through the insertion rod, the internal condition of the pipeline is detected through the sonar detection equipment, manual diving operation is replaced, the detection process is simple and efficient in operation, and the detection cost and risk are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field, concretely is a pipeline detection device. BACKGROUND

[0002] High water level inspection well is the difficulty in pipeline detection and construction investigation. Due to the turbidity of sewage water body and perennial high water level, the high water level inspection well cannot be detected by visible light means. For the full water inspection well, the following two investigation methods are available at present.

[0003] 1. The thickness of the silt at the bottom of the well is measured by a flower pole. This method has limited detection results, and only the approximate thickness of the silt at the bottom of the well can be detected, and the pipeline condition cannot be detected.

[0004] 2. Artificial diving is used to investigate the pipeline condition. This method can check the underwater siltation condition and whether the pipeline is damaged or deformed. However, the artificial risk is high, and the cost is high, which cannot be used in a large range and high frequency, and the artificial perception is also fuzzy, and the detection results cannot be quantified and effectively transmitted. UTILITY MODEL CONTENT

[0005] The technical problem to be solved by the utility model is how to provide a pipeline detection device that can detect the thickness of silt and the condition of the pipeline, and reduce the detection cost and risk.

[0006] To solve the above technical problem, the utility model provides the following technical scheme.

[0007] A pipeline detection device comprises a probe rod, a support, a sonar detection device and a plug rod, the bottom of the probe rod is provided with a support, the support is provided with a sonar detection device capable of rotating horizontally and a plug rod.

[0008] The detection device detects the thickness of silt by the plug rod, detects the internal condition of the pipeline by the sonar detection device, replaces the artificial diving operation, and is simple and efficient in the detection process, thereby reducing the detection cost and risk.

[0009] Preferably, the probe rod is composed of a plurality of rod bodies connected in combination.

[0010] Preferably, the top end of the rod body is provided with a female buckle, the bottom end is provided with a male buckle, the internal lock pin of the top end female buckle is inserted into the clamping groove of the bottom end male buckle, and the adjacent rod bodies are connected by the locking nut connection of the bottom end male buckle and the top end female buckle.

[0011] Preferably, the rod body is a carbon fiber rod.

[0012] Preferably, the support comprises an upper support plate, a lower support plate and a connecting plate, the upper support plate and the lower support plate are connected through the connecting plate, the upper support plate is connected with the probe rod at the top, the sonar detection device is rotatably arranged between the upper support plate and the lower support plate, and the probe rod is arranged on the connecting plate.

[0013] Preferably, the connecting plate is provided with a lock buckle, and the probe rod is detachably connected to the connecting plate through the lock buckle.

[0014] Preferably, the sonar detection device comprises a protective shell, a sonar detector and a rotating mechanism, the sonar detector is fixed to the protective shell and arranged outwardly, and the protective shell is rotatably arranged on the support through the rotating mechanism.

[0015] Preferably, the rotating mechanism comprises an upper rotating shaft, a lower rotating shaft and a servo motor, one end of the upper rotating shaft is rotatably connected to the upper end of the support, the other end of the upper rotating shaft is fixed to the protective shell and extends into the protective shell and is connected to the output end of the servo motor fixed in the protective shell, one end of the lower rotating shaft is rotatably connected to the lower end of the support, and the other end of the lower rotating shaft is fixed to the bottom of the protective shell.

[0016] Preferably, the top of the probe rod is further provided with a GPS locator.

[0017] Preferably, the GPS locator and the sonar detection device are electrically connected to the computer.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] 1. The detection device detects the thickness of the sludge through the probe rod, detects the internal condition of the pipeline through the sonar detection device, replaces manual diving operation, and has simple and efficient operation process, and reduces detection cost and risk.

[0020] 2. The computer receives the data detected by the sonar detector, so that the detection result of the sonar detection device can be quantified and effectively transmitted. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a structural schematic view of the embodiment of the present application;

[0022] Fig. 2 It is a partial schematic view of the embodiment of the present application;

[0023] Fig. 3 It is a sectional view of the probe rod of the embodiment of the present application. DETAILED DESCRIPTION

[0024] In order to facilitate those skilled in the art to understand the technical scheme of the present application, the technical scheme of the present application will be further described in conjunction with the drawings of the specification.

[0025] In the present application, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection", "fixed", and the like, should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection, and can also be communication; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In the present application, unless specifically defined and limited otherwise, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying the importance of the opposite, or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless specifically defined and limited.

[0027] Referring to Figs. 1 to 3 The embodiment discloses a pipeline detection device, which comprises a probe rod 1, a support 2, a sonar detection device 3 and a plug rod 4. The probe rod 1 is provided with the support 2 at the bottom, and the support 2 is provided with the horizontally rotatable sonar detection device 3 and the plug rod 4.

[0028] The probe rod 1 is composed of a plurality of rod bodies 11, the rod body 11 is a carbon fiber rod, the carbon fiber rod has the advantages of high strength, light weight and not easy to break. At the same time, it is resistant to water flow impact and can ensure stable posture and small shaking in a high flow environment. The rod body 11 is provided with a female buckle 12 at the top end and a male buckle 13 at the bottom end. The internal locking pin 15 of the top end female buckle 12 is inserted into the clamping groove of the bottom end male buckle 13 to prevent the male and female buckles from rotating relative to each other. The bottom end male buckle 13 and the top end female buckle 12 are connected by the locking nut 14 to connect the adjacent rod bodies 11.

[0029] The support 2 comprises an upper support plate 21, a lower support plate 22 and a connecting plate 23. The upper support plate 21 and the lower support plate 22 are connected through the connecting plate 23. The rod body 11 is connected to the top of the upper support plate 21. The sonar detection device 3 is rotatably arranged between the upper support plate 21 and the lower support plate 22. The connecting plate 23 is provided with a lock buckle 231. The plug rod 4 is detachably connected to the connecting plate 23 through the lock buckle 231, so as to adapt to the detection of different thicknesses of silt.

[0030] The sonar detection device 3 comprises a protective shell 31, a sonar detector 32 and a rotating mechanism 33, the sonar detector 32 is fixed on the protective shell 31 and the detection section is arranged outward, and the protective shell 31 is rotatably arranged between the upper support plate 21 and the support plate 22 through the rotating mechanism 33. Specifically, the rotating mechanism 33 is driven to drive the protective shell 31 to rotate between the upper support plate 21 and the support plate 22, thereby realizing detection of the internal condition of the pipeline, and the internal condition of the pipeline is detected by the sonar detection device 3 instead of manual diving operation, the detection process is simple and efficient, and the detection cost and risk are reduced.

[0031] In the embodiment, the protective shell 31 adopts a light-weight high-strength alloy material shell, a thin-wall structure design, uses a sealing ring to seal IP68 waterproof, is fastened and installed through screws, has strong impact resistance, and can withstand water pressure force of more than 10 meters in depth.

[0032] The sonar detector 32 is a single-line scanning sonar, can realize 0-360° scanning, can output the reflection intensity and distance of the detected reflection object, the measurement radius of the sonar can reach 1-6 meters, and the measurement range can effectively cover the municipal limited space. The geomagnetic sensor and the attitude sensor are arranged in the sonar detector 32, the geomagnetic sensor is a sensor capable of detecting the earth's magnetic field, and is usually used to determine the direction, the geomagnetic sensor uses the magnetic navigation technology of the spatial distribution of the earth's magnetic field, and is used for the heading orientation of the sonar. The attitude sensor is a device for measuring the three-axis attitude angle (or angular velocity) and acceleration of an object. It includes three single-axis accelerometers and gyroscopes. The accelerometer is used to detect the acceleration signal of the object in the independent three-axis coordinate system of the carrier, and the gyroscope is used to detect the angular velocity signal of the carrier relative to the navigation coordinate system. Through these measurements, the attitude sensor can calculate the angular velocity and acceleration of the sonar in three-dimensional space, and then obtain the attitude of the sonar.

[0033] Specifically, the three-dimensional modeling of the part below the water surface of the inspection well chamber is completed through the vertical ring scanning image of the horizontally installed sonar detector 32 and the 360° uniform speed swing trajectory algorithm of the rotating mechanism, the vertical position of the probe rod and the sonar ring scanning image is calibrated through the attitude sensor, the heading orientation of the sonar is calibrated through the geomagnetic sensor, and the accurate orientation of the drain pipe opening is calibrated.

[0034] The rotating mechanism 33 comprises an upper rotating shaft 331, a lower rotating shaft 332 and a servo motor 333. One end of the upper rotating shaft 331 is rotatably connected to the upper support plate 21, and the other end is fixedly connected to the protective shell 31 and extends into the protective shell and is connected to the output end of the servo motor 333 fixed in the protective shell 31. One end of the lower rotating shaft 332 is rotatably connected to the lower support plate 22, and the other end is fixedly connected to the bottom of the protective shell 31. By driving the servo motor 333, the upper rotating shaft 331 is driven to rotate, thereby driving the protective shell 31 fixedly connected to the upper rotating shaft 331, and further driving the sonar detector 32 to rotate for multi-directional detection of the inside of the pipeline.

[0035] Further, the support 2 is assembled and connected by the upper support plate 21, the lower support plate 22 and the connecting plate 23 to form a C-shaped assembled structure, which is small in size and compact in structure under the premise of rotating space of the sonar detection device 3, and is easier to process.

[0036] Further, the angle that the servo motor 333 drives the upper rotating shaft 331 to rotate does not exceed 360°, so as to prevent excessive swing and cable winding from causing failure; in order to reduce different shafts caused by low processing and assembly precision, self-aligning bearings are designed at both ends of the rotating mechanism.

[0037] Further, in order to prevent the servo motor 333 from causing electromagnetic interference to the geomagnetic sensor, the servo motor 333 and the geomagnetic sensor are both provided with electromagnetic shielding covers.

[0038] Further, the embodiment also comprises a GPS locator and a computer. The top of the probe rod 1 is also provided with a GPS locator, which mainly comprises a GPS antenna and a GPS receiver. The GPS locator supports acceptance of GPS and Beidou satellite signals, position calculation, coordinate output. The GPS locator and the sonar detection device 3 are both connected to the computer by telecommunication. The computer is used to receive data detected by the sonar detector 32, data positioned by the GPS locator, process data and send control instructions, so that the detection results of the sonar detection device 3 can be quantified and effectively transmitted.

[0039] The working principle of the embodiment is that the probe rod 1 is inserted into the pipeline to be detected, the plug rod 4 is inserted into the silt to realize silt thickness detection, and the rotating mechanism 33 is driven to drive the protective shell 31 to rotate between the upper support plate 21 and the support plate 22, thereby driving the sonar detector 32 to rotate in the pipeline to realize detection of the inside of the pipeline, including detection of water depth, well chamber structure size, pipe opening direction, pipeline diameter, sediment thickness and other conditions in the pipeline.

[0040] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without deviating from the spirit or essential characteristics of the application. Therefore, the embodiments should be seen as exemplary in nature and non-limiting, the scope of the application being defined by the appended claims rather than by the above description and all changes which come within the meaning and range of equivalents of the claims are to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0041] The above-described embodiments only represent some implementation manners of the present application, and the protection scope of the present application is not limited to the above-described embodiments. For those skilled in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A pipe inspection apparatus characterised in that: The utility model provides an underwater exploration device, including probe rod, support, sonar detection equipment and plug-in rod, the bottom of probe rod is provided with support, the support is provided with sonar detection equipment and plug-in rod that can rotate horizontally.

2. A pipeline inspection device as defined in claim 1, wherein: The probe rod is combined and connected by a plurality of groups of rod bodies.

3. A pipeline inspection device according to claim 2, wherein: The rod body top end is provided with a female buckle, the bottom end is provided with a male buckle, the inside lock pin of the female buckle is inserted into the clamping groove of the male buckle, and the male buckle at the bottom end is connected with the female buckle at the top end through a locking nut to connect adjacent rod bodies.

4. A pipe inspection apparatus according to claim 2, wherein: The rod body is a carbon fiber rod.

5. The pipe inspection apparatus of claim 1, wherein: The support includes an upper support plate, a lower support plate, and a connecting plate.

6. A pipe inspection apparatus according to claim 5, wherein: The upper support plate and the lower support plate are connected by the connecting plate.

7. The pipe inspection apparatus of claim 1, wherein: The sonar detection equipment is rotatably arranged between the upper support plate and the lower support plate.

8. A pipe inspection apparatus according to claim 7, wherein: The connecting plate is provided with a lock, and the plug-in rod is detachably connected to the connecting plate through the lock.

9. The pipe inspection apparatus of claim 1, wherein: The sonar detection equipment includes a protective shell, a sonar detector, and a rotating mechanism.

10. A pipe inspection apparatus according to claim 9, wherein: The sonar detector is fixed to the protective shell with the detection section facing outward. The protective shell is rotatably arranged on the support through the rotating mechanism. The rotating mechanism includes an upper rotating shaft, a lower rotating shaft, and a servo motor. One end of the upper rotating shaft is rotatably connected to the upper end of the support, the other end is fixed to the protective shell and extends into the protective shell, and the output end of the servo motor fixed in the protective shell is connected. One end of the lower rotating shaft is rotatably connected to the lower end of the support, and the other end is fixed to the bottom of the protective shell. The probe rod top is also provided with a GPS locator. The GPS locator and the sonar detection equipment are electrically connected to a computer.

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