Underground drainage pipeline defect detection equipment

By designing a support mechanism, angle adjustment mechanism, and detection mechanism, the underground drainage pipeline defect detection equipment achieves comprehensive detection of the pipeline inner wall, solving the problem of incomplete detection by existing equipment and improving the accuracy and efficiency of detection.

CN223881997UActive Publication Date: 2026-02-06SHANGHAI BAOHU QUALITY INSPECTION CO LTD
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Patent Information

Application Number
CN202520819877.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-06
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing underground drainage pipeline inspection equipment is unable to perform comprehensive inspection of complex defects at the top, bottom, and sides of the pipeline, leading to missed detections and affecting the accuracy of the inspection.

Method used

An underground drainage pipeline defect detection device was designed, which includes a support mechanism, an angle adjustment mechanism, and a detection mechanism. Through the cooperation of the transmission wheel and the adjustment frame, the detector can rotate at multiple angles and perform all-round detection around the inner wall of the pipeline.

Benefits of technology

It improves the coverage and accuracy of inspections, reduces missed detections, ensures comprehensive inspection of the pipeline's inner wall, and promptly detects defects such as aging, corrosion, and cracks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pipeline detection, and discloses underground drainage pipeline defect detection equipment, which comprises a supporting mechanism, an angle adjusting mechanism and a detection mechanism, the two angle adjusting mechanisms are installed on the tops of the two fixing plates through bolts correspondingly. The angle adjusting mechanism comprises a positioning ring, a transmission wheel and an adjusting frame. According to the defect detection equipment for the underground drainage pipeline, through cooperative arrangement of a transmission wheel and an adjusting frame, the adjusting frame can be driven to rotate by virtue of rotation of a driving wheel, so that after a mounting frame and a detector are mounted on the outer wall of the adjusting frame, the mounting frame and the detector can be driven to synchronously rotate by virtue of rotation of the adjusting frame; and after entering the underground drainage pipeline, the device rotates around the inner wall of the underground drainage pipeline by virtue of the rotation of the detector, so that the inner wall of the pipeline is fully inspected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field, concretely is underground drainage pipeline defect detection equipment. BACKGROUND

[0002] As an important part of urban infrastructure, the operation state of underground drainage pipeline is directly related to urban flood control, environmental sanitation and public safety. With the rapid development of urban construction, the underground drainage pipeline network is increasingly complex, and defects such as pipeline aging, corrosion, cracks and blockage occur frequently. Therefore, efficient and accurate detection of pipeline defects is a key link to ensure the safe operation of the pipeline network.

[0003] However, the existing detection equipment often has incomplete detection coverage. The detection probe of the traditional detection equipment is usually fixedly installed on the support mechanism and can only perform linear scanning on the inner wall of the pipeline at a single angle, making it difficult to perform omnidirectional detection on complex defects such as circumferential cracks and local depressions at the top, bottom and sides of the pipeline, and prone to missed detection problems. Therefore, incomplete inspection problems may occur, which may affect the accuracy of detection. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an underground drainage pipeline defect detection equipment, which solves the problem of incomplete detection coverage in the prior art.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purposes, the utility model is implemented by the following technical scheme: an underground drainage pipeline defect detection equipment, comprising a support mechanism, an angle adjusting mechanism and a detection mechanism, wherein:

[0008] The support mechanism comprises two fixed plates;

[0009] Two angle adjusting mechanisms are installed on the top of the two fixed plates by bolts;

[0010] The angle adjusting mechanism comprises a positioning ring, a transmission wheel and an adjusting frame. The bottom of the positioning ring is installed on the top of the fixed plate by a bolt. The transmission wheel is rotatably connected to one side of the bottom of the positioning ring. The adjusting frame is rotatably connected to the top of the positioning ring. The outer surface of the adjusting frame is in transmission connection with the outer surface of the transmission wheel on one side of the positioning ring.

[0011] The detection mechanism comprises a mounting frame and a detector. The mounting frame is installed between the two adjusting frames by bolts. The detector is fixedly installed on the outer wall of the mounting frame.

[0012] Optionally, the support mechanism further comprises two connecting rods and two counterweights, one end of the two connecting rods is fixedly installed on the two sides of the outer wall of one of the fixed plates, and the other end of the two connecting rods is fixedly installed on the two sides of the outer wall of the other fixed plate, and the two counterweights are fixedly installed on the inner walls of the two fixed plates.

[0013] Optionally, the support mechanism further comprises four drive wheels, and the four drive wheels are respectively connected to the bottoms of the two fixed plates through power equipment.

[0014] Optionally, the top of each of the two fixed plates is provided with a steering mechanism, the steering mechanism comprises a mounting seat, a positioning disc and a plurality of rollers, the mounting seat is fixedly installed on the top of the fixed plate, the outer surface of the mounting seat is detachably connected with the bottom of the positioning disc, and the plurality of rollers are respectively rotatably connected to the outer wall of the positioning disc through rotating shafts.

[0015] Optionally, the angle adjusting mechanism further comprises a guide groove, a motor and a limiting ring, the guide groove is formed in the top of the positioning ring, the inner wall of the guide groove is slidably connected with the outer surface of the adjusting frame, the motor is fixedly installed on the outer surface of the positioning ring, the output end of the motor penetrates into one end of the positioning ring and is connected with the outer surface of the transmission wheel through key transmission, the limiting ring is rotatably connected to one side of the top of the positioning ring through a hinge, and the bottom of the limiting ring is slidably connected with the top of the adjusting frame.

[0016] Optionally, the detection mechanism further comprises a storage battery, and the storage battery is fixedly installed on the outer wall of the mounting frame and located at one side of the detector.

[0017] Optionally, the bottom of the fixed plate is provided with a floating mechanism, the floating mechanism comprises a floating plate and two mounting grooves, the top of the floating plate is fixedly connected with the bottom of the two fixed plates, the two mounting grooves are formed in the two sides of the top of the floating plate, and the inner side walls of the two mounting grooves are respectively clamped with the outer surfaces of the four drive wheels.

[0018] Optionally, the floating mechanism further comprises four drive propellers, and the four drive propellers are fixedly installed on the two sides of the bottom of the floating plate.

[0019] (Three) beneficial effects

[0020] The underground drainage pipeline defect detection equipment has the following beneficial effects:

[0021] The underground drainage pipeline defect detection equipment, through the matched arrangement of the transmission wheel and the adjusting frame, can drive the adjusting frame to rotate by the rotation of the driving wheel, so that after the mounting frame and the detector are installed on the outer wall of the adjusting frame, the mounting frame and the detector can be driven to rotate synchronously by the rotation of the adjusting frame, and then after the device enters the underground drainage pipeline, the inner wall of the underground drainage pipeline is rotated around by the rotation of the detector, so that the inner wall of the pipeline is fully inspected, the missed detection is reduced, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall installation structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure after the floating mechanism is disassembled of the utility model;

[0024] Figure 3 It is an exploded structure schematic diagram of the steering mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of the structure of the supporting mechanism of the utility model;

[0026] Figure 5 It is an exploded structure schematic diagram of the angle adjusting mechanism of the utility model;

[0027] Figure 6 It is a schematic diagram of the installation structure of the detection mechanism of the utility model;

[0028] Figure 7 It is a schematic diagram of the structure of the detection mechanism of the utility model;

[0029] Figure 8 It is a schematic diagram of the structure of the floating mechanism of the utility model.

[0030] In the drawing: 1, supporting mechanism; 101, fixed plate; 102, connecting rod; 103, counterweight; 104, driving wheel; 2, steering mechanism; 201, mounting seat; 202, positioning disc; 203, roller; 3, angle adjusting mechanism; 301, positioning ring; 302, guide groove; 303, motor; 304, transmission wheel; 305, adjusting frame; 306, limiting ring; 4, detection mechanism; 401, mounting frame; 402, storage battery; 403, detector; 5, floating mechanism; 501, floating plate; 502, mounting groove; 503, driving propeller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Please refer to Figures 1 to 8 The utility model embodiment provides a kind of detection equipment, which is applied to the scene of defect detection in underground drainage pipeline, and the structure of the detection equipment is improved in the embodiment, so that it has the advantage of self-rotation omnidirectional detection. Specifically, taking underground drainage pipeline defect detection as an example, as a preferred scheme in the embodiment, the detection equipment is specifically underground drainage pipeline defect detection equipment, which can detect the surface inside the pipe wall omnidirectionally.

[0033] Please refer to Figures 1 to 8 The utility model provides a kind of technical scheme: underground drainage pipeline defect detection equipment, which is mainly applied to the scene of defect detection in underground drainage pipeline.

[0034] It includes support mechanism 1, angle adjusting mechanism 3 and detection mechanism 4, wherein:

[0035] Support mechanism 1 includes two fixed plates 101;

[0036] Two angle adjusting mechanisms 3 are respectively installed on the top of two fixed plates 101 by bolts;

[0037] Angle adjusting mechanism 3 includes positioning ring 301, transmission wheel 304 and adjusting frame 305, the bottom of positioning ring 301 is installed on the top of fixed plate 101 by bolt, transmission wheel 304 is rotatably connected to one side of the bottom of positioning ring 301, adjusting frame 305 is rotatably connected to the top of positioning ring 301, the outer surface of adjusting frame 305 is in transmission connection with the outer surface of transmission wheel 304 on the side of positioning ring 301;

[0038] Detection mechanism 4 includes mounting bracket 401 and detector 403, mounting bracket 401 is installed between two adjusting frames 305 by bolt, detector 403 is fixedly installed on the outer wall of mounting bracket 401.

[0039] In this embodiment, the fixed plate 101 serves as the basic support component of the entire device, providing mounting positions for the angle adjusting mechanism 3, the steering mechanism 2, etc., ensuring the stability of the relative positions of the components, ensuring the stability of the overall structure of the device, enabling the components to work cooperatively, and improving the reliability of the device when operating in the underground drainage pipeline. The bottom of the positioning ring 301 is installed on the top of the fixed plate 101, providing mounting and support for components such as the transmission wheel 304 and the adjusting bracket 305, while serving as the positioning basis for the rotation of the adjusting bracket 305, ensuring that the adjusting bracket 305 can rotate stably within the specified range, providing a reliable support structure for the angle adjustment of the detector 403. The transmission wheel 304 is in transmission connection with the outer surface of the adjusting bracket 305, transmitting power from the motor 303 to the adjusting bracket 305, driving the adjusting bracket 305 to rotate, allowing the adjusting bracket 305 to rotate as needed to adjust the detection angle of the detector 403. The adjusting bracket 305 is installed on the top of the positioning ring 301 and can rotate, driven by the transmission wheel 304 to rotate, in turn driving the mounting bracket 401 and the detector 403 to rotate synchronously, achieving multi-angle rotation of the detector 403, allowing the detector 403 to perform omnidirectional detection around the inner wall of the underground drainage pipeline, reducing the risk of missed detection. The mounting bracket 401 is installed between the two adjusting brackets 305, providing mounting positions for the detector 403 and the battery 402, ensuring the secure installation of the detector 403 and the battery 402, allowing them to rotate synchronously with the adjusting bracket 305 to achieve omnidirectional detection. The detector 403 is fixedly installed on the outer wall of the mounting bracket 401 and is used to detect defects on the inner wall of the underground drainage pipeline. By rotating around the inner wall of the pipeline, it can comprehensively detect defects such as aging, corrosion, cracks, and blockages, providing a basis for the maintenance and repair of the pipeline.

[0040] In the above embodiment, as a preferred solution, the support mechanism 1 further comprises two connecting rods 102 and two counterweights 103. One end of each of the two connecting rods 102 is fixedly installed on the outer wall of one of the two fixed plates 101, and the other end of each of the two connecting rods 102 is fixedly installed on the outer wall of the other fixed plate 101. The two counterweights 103 are fixedly installed on the inner walls of the two fixed plates 101. The connecting rods 102 connect the two fixed plates 101, enhancing the overall rigidity and stability of the support mechanism 1, preventing relative displacement of the two fixed plates 101 during device operation, ensuring the integrity of the device structure, and thereby improving the service life and detection accuracy of the device. The counterweights 103 increase the weight of the device, lower the center of gravity of the device, improve the stability of the device when operating in the pipeline, and reduce the likelihood of the device tipping over or shaking due to external forces during movement, ensuring that the detector 403 can perform detection work stably.

[0041] In the above embodiment, as a preferred scheme, the supporting mechanism 1 further comprises four driving wheels 104, which are respectively connected to the bottom of the two fixed plates 101 through power equipment transmission, and the power is provided through the driving wheels 104 through power equipment transmission, so that the device can move in the underground drain pipe, realize the autonomous movement function of the device, facilitate the detection of pipes at different positions, and improve the detection efficiency and coverage.

[0042] In the above embodiment, as a preferred scheme, the top of the two fixed plates 101 is respectively provided with a steering mechanism 2, which comprises a mounting seat 201, a positioning disc 202 and a plurality of rollers 203, the mounting seat 201 is fixedly installed on the top of the fixed plate 101, the outer surface of the mounting seat 201 is detachably connected with the bottom of the positioning disc 202, and the plurality of rollers 203 are respectively rotatably connected with the outer wall of the positioning disc 202 through shafts. The mounting seat 201 is fixedly installed on the top of the fixed plate 101 to provide a mounting base for the positioning disc 202, ensure the stable connection between the positioning disc 202 and the fixed plate 101, and enable the steering mechanism 2 to work normally. The positioning disc 202 is detachably connected with the mounting seat 201 to provide an installation position for the rollers 203, and at the same time, as a core component of steering, guide the device to change the moving direction, facilitate the device to change the direction at the bends or branches in the pipe, improve the flexibility and adaptability of the device. The rollers 203 are rotatably connected with the outer wall of the positioning disc 202 through shafts, which play a supporting and rolling role when the device steers, reduce the friction force between the device and the inner wall of the pipe when the device steers, make the steering more smooth, and reduce the risk of damage to the device.

[0043] In the above embodiment, as a preferred scheme, the angle adjusting mechanism 3 further comprises a guide groove 302, a motor 303 and a limiting ring 306, the guide groove 302 is opened at the top of the positioning ring 301, the inner wall of the guide groove 302 is slidably connected with the outer surface of the adjusting frame 305, the motor 303 is fixedly installed on the outer surface of the positioning ring 301, the output end of the motor 303 penetrates into one end of the positioning ring 301 and is in key transmission connection with the outer surface of the transmission wheel 304, the limiting ring 306 is rotatably connected to one side of the top of the positioning ring 301 through a hinge, the bottom of the limiting ring 306 is slidably connected with the top of the adjusting frame 305, the guide groove 302 is opened at the top of the positioning ring 301 and slidably connected with the outer surface of the adjusting frame 305, which guides the rotating direction of the adjusting frame 305, ensures the accurate rotating track of the adjusting frame 305, avoids the deviation of the adjusting frame 305 during the rotating process, improves the angle adjusting precision of the detector 403, the motor 303 provides power for the transmission wheel 304, drives the transmission wheel 304 to rotate through key transmission, realizes the automatic rotation of the adjusting frame 305, and improves the automation degree and detection efficiency of the equipment, the limiting ring 306 is rotatably connected to one side of the top of the positioning ring 301 through a hinge, and the bottom is slidably connected with the top of the adjusting frame 305, which ensures the rotation of the adjusting frame 305 within a suitable range, and improves the stability and reliability of the equipment.

[0044] In the above embodiment, as a preferred scheme, the detection mechanism 4 further comprises a storage battery 402, the storage battery 402 is fixedly installed on the outer wall of the mounting frame 401 and located at one side of the detector 403, the storage battery 402 provides power support for the electric components such as the motor 303 and the detector 403 of the equipment, ensures that the equipment can operate independently in the underground drainage pipeline without external power supply, improves the use flexibility and adaptability of the equipment, and the detector 403 is fixedly installed on the outer wall of the mounting frame 401 and is used for detecting the defects of the inner wall of the underground drainage pipeline, and the detector 403 rotates around the inner wall of the pipeline for comprehensive detection, so that the aging, corrosion, cracks and blockage of the pipeline can be found in time, and the basis for the maintenance and repair of the pipeline is provided.

[0045] In the above embodiment, as a preferred scheme, the bottom of the fixed plate 101 is provided with a floating mechanism 5, the floating mechanism 5 comprises a floating plate 501 and two mounting grooves 502, the top of the floating plate 501 is fixedly connected with the bottom of the two fixed plates 101 respectively, the two mounting grooves 502 are arranged on the two sides of the top of the floating plate 501 respectively, the inner side walls of the two mounting grooves 502 are respectively clamped with the outer surfaces of the four driving wheels 104, the top of the floating plate 501 is fixedly connected with the bottom of the fixed plate 101, so as to provide buoyancy for the equipment, so that the equipment can float in the pipeline with accumulated water, the adaptability of the equipment in different working conditions is enhanced, and it is ensured that the equipment can also normally operate in the pipeline with water, the mounting grooves 502 are arranged on the two sides of the top of the floating plate 501, and the inner side walls are clamped with the outer surfaces of the driving wheels 104, so that the positions of the driving wheels 104 are fixed, and the connection between the driving wheels 104 and the floating plate 501 is stable, and displacement of the driving wheels 104 in the floating process of the equipment is prevented.

[0046] In the above embodiment, as a preferred scheme, the floating mechanism 5 further comprises four driving propellers 503, the four driving propellers 503 are fixedly installed on the two sides of the bottom of the floating plate 501, the driving propellers 503 are fixedly installed on the two sides of the bottom of the floating plate 501, so as to provide power for the equipment to advance in water, so that the equipment can move automatically in the pipeline with accumulated water, and the detection efficiency and coverage range of the equipment are further improved.

[0047] In the utility model, the working steps of the device are as follows:

[0048] 1, first put the equipment into the pipeline to be detected through the pipeline maintenance opening, and select the installation mode according to the environment in the pipeline:

[0049] 2, in the dry pipeline, the floating mechanism 5 is removed, only the driving wheel 104 motor 303 is started, the wheeled driving propulsion equipment is utilized, and when the water pipeline, the driving propeller 503 is started, and the equipment is kept horizontal through the floating plate 501 buoyancy.

[0050] 3, in the equipment advancing process, the motor 303 of the angle adjusting mechanism 3 continuously operates, drives the adjusting frame 305 and the detector 403 to rotate at a constant speed, the detector 403 carries out real-time image or data acquisition on the inner wall of the pipeline, and focuses on detecting cracks, corrosion, deformation and other defects on the top, bottom and two sides.

[0051] 4, when the equipment approaches the bend, the roller 203 of the steering mechanism 2 is in contact with the inner wall of the pipeline, the rotation of the roller 203 on the positioning disc 202 guides the equipment to change the advancing direction, and the detector 403 continuously rotates to ensure that there is no blind area in the detection of the corner.

[0052] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for detecting defects in an underground sewer pipe, characterized by, The utility model provides a kind of angle-adjusting mechanism, including support mechanism (1), angle-adjusting mechanism (3) and detection mechanism (4), wherein: The support mechanism (1) includes two fixed plates (101). Two angle-adjusting mechanisms (3) are respectively installed on the top of the two fixed plates (101) by bolts. The angle-adjusting mechanism (3) includes a positioning ring (301), a transmission wheel (304), and an adjusting frame (305). The bottom of the positioning ring (301) is installed on the top of the fixed plate (101) by a bolt. The transmission wheel (304) is rotatably connected to one side of the bottom of the positioning ring (301). The adjusting frame (305) is rotatably connected to the top of the positioning ring (301). The outer surface of the adjusting frame (305) is in transmission connection with the outer surface of the transmission wheel (304) on the side of the positioning ring (301). The detection mechanism (4) includes a mounting bracket (401) and a detector (403). The mounting bracket (401) is installed between the two adjusting frames (305) by bolts. The detector (403) is fixedly installed on the outer wall of the mounting bracket (401).

2. The underground sewer defect detection apparatus according to claim 1, characterized by: The support mechanism (1) further includes two connecting rods (102) and two counterweights (103). One end of each of the two connecting rods (102) is fixedly installed on the outer wall of one of the fixed plates (101). The other end of each of the two connecting rods (102) is fixedly installed on the outer wall of the other fixed plate (101). The two counterweights (103) are fixedly installed on the inner walls of the two fixed plates (101).

3. The underground sewer defect detection apparatus according to claim 2, characterized by: The support mechanism (1) further includes four drive wheels (104). The four drive wheels (104) are respectively drivenly connected to the bottoms of the two fixed plates (101) by power equipment.

4. The underground sewer defect inspection apparatus according to claim 1, characterized by: The top of each of the two fixed plates (101) is provided with a steering mechanism (2). The steering mechanism (2) includes a mounting seat (201), a positioning disc (202), and a plurality of rollers (203). The mounting seat (201) is fixedly installed on the top of the fixed plate (101). The outer surface of the mounting seat (201) is detachably connected to the bottom of the positioning disc (202). The plurality of rollers (203) are rotatably connected to the outer wall of the positioning disc (202) by shafts.

5. The underground sewer defect inspection apparatus according to claim 1, characterized by: The angle-adjusting mechanism (3) further includes a guide groove (302), a motor (303), and a limiting ring (306). The guide groove (302) is formed in the top of the positioning ring (301). The inner wall of the guide groove (302) is slidably connected to the outer surface of the adjusting frame (305). The motor (303) is fixedly installed on the outer surface of the positioning ring (301). The output end of the motor (303) is in key transmission connection with the outer surface of the transmission wheel (304) on the side of the positioning ring (301). The limiting ring (306) is rotatably connected to one side of the top of the positioning ring (301) by a hinge. The bottom of the limiting ring (306) is slidably connected to the top of the adjusting frame (305).

6. The underground sewer defect inspection apparatus according to claim 1, characterized by: The detection mechanism (4) further comprises a battery (402) fixedly installed on the outer wall of the mounting rack (401) and located at one side of the detector (403).

7. The underground sewer defect inspection apparatus according to claim 3, characterized by: The bottom of the fixed plate (101) is provided with a floating mechanism (5), the floating mechanism (5) comprises a floating plate (501) and two mounting grooves (502), the two sides of the top of the floating plate (501) are fixedly connected with the bottoms of the two fixed plates (101) respectively, and the two mounting grooves (502) are arranged on the two sides of the top of the floating plate (501) respectively, and the inner side walls of the two mounting grooves (502) are clamped with the outer surfaces of the four driving wheels (104) respectively.

8. The underground sewer defect detection apparatus of claim 7, wherein: The floating mechanism (5) further comprises four driving propellers (503), and the four driving propellers (503) are fixedly installed on the two sides of the bottom of the floating plate (501).