Defect checking and detecting device for urban rain sewage pipe network

Abstract

The utility model provides a defect checking and detecting device for an urban rain sewage pipe network. The defect checking and detecting device comprises a detection vehicle, a camera body, a positioning seat, a fixing shaft and a mounting seat, the positioning seat is rotationally arranged on the upper side of the detection vehicle and is in transmission connection with a first rotation driving component; the fixed shaft is fixedly arranged on the positioning seat, and is rotationally sleeved with an alignment shaft sleeve, and the alignment shaft sleeve is in transmission connection with a second rotation driving component; the mounting seat is arranged on the outer side of the alignment shaft sleeve and is connected with the alignment shaft sleeve through a distance adjusting structure; a swing part is hinged to the mounting seat, and a locking structure is arranged between the swing part and the mounting seat; the camera body is fixed on the swing part, and in actual use, the alignment shaft sleeve is driven to rotate through the second rotation driving component, so that the orientation of the camera body can be changed. According to the defect checking and detecting device for the urban rain sewage pipe network, the orientation of the camera relative to the running direction of the detection vehicle can be flexibly adjusted, so that the detection area is enlarged, and the stability of defect checking and detecting of the pipe network is ensured.

Description

Technical Field

[0001] This application belongs to the field of pipeline inspection technology, specifically relating to a defect inspection and detection device for urban stormwater and sewage pipelines. Background Technology

[0002] Urban stormwater and sewage pipe networks are a crucial component of urban infrastructure, undertaking the key functions of rainwater drainage and sewage collection. Their operational status directly impacts the efficiency of the urban drainage system, environmental protection, and residents' quality of life. Because these networks are buried underground for extended periods, they are susceptible to defects such as rupture, blockage, leakage, and deformation due to soil pressure, chemical corrosion, mechanical wear, and external construction activities. Failure to promptly identify and repair these defects can lead to serious consequences, including sewage overflows, groundwater pollution, and road collapses.

[0003] In existing technologies, defect detection of urban stormwater and sewage pipe networks typically utilizes closed-circuit television (CCTV) inspection. Specifically, on-site personnel use inspection vehicles equipped with cameras to enter the pipe network, capture real-time images of the inner walls, and transmit them to the ground.

[0004] The inventors discovered that, under normal circumstances, cameras and inspection vehicles are usually fixed in place, and the trajectory of the inspection vehicle does not change. This results in a limited detection range for the camera, making it difficult to fully cover all locations on the inner wall of the pipeline network. Consequently, some defects are easily missed, leading to a technical problem of low reliability in pipeline defect detection. Utility Model Content

[0005] This application provides a defect detection device for urban stormwater and sewage pipe networks, which aims to flexibly adjust the orientation of the camera relative to the running direction of the detection vehicle to increase the detection area and ensure the stability of pipe network defect detection.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] A defect detection device for urban stormwater and sewage pipe networks is provided, comprising a detection vehicle and a camera body. The defect detection device further includes:

[0008] The positioning seat is rotatably mounted on the upper side of the inspection vehicle in the vertical direction, and is connected to a first rotation drive component for driving its rotation.

[0009] A fixed shaft is fixedly mounted on the positioning seat and extends outward in a horizontal direction; a positioning sleeve is rotatably fitted on the fixed shaft, and the positioning sleeve is driven by a second rotation drive component for rotating it; and

[0010] A mounting base is disposed on the outside of the alignment bushing and connected to the alignment bushing via an adjusting structure; a swing member is hinged to the mounting base in the horizontal direction, the hinge axis of the swing member is perpendicular to the axis of the alignment bushing, and a locking structure is provided between the swing member and the mounting base.

[0011] The camera body is fixedly mounted on the swinging component.

[0012] In one possible implementation, the second rotational drive member includes:

[0013] A driven gear, coaxially sleeved on the fixed shaft and adapted to rotate relative to the fixed shaft; a transmission structure exists between the driven gear and the aligning bushing to enable synchronous rotation of the driven gear and the aligning bushing; and

[0014] A first rotating motor is fixedly mounted on the positioning seat. Its power output axis is parallel to the axis of the driven gear, and the power output end of the first rotating motor is connected to a driving gear that meshes with the driven gear.

[0015] In one possible implementation, the positioning seat has a slot facing horizontally, and the fixing shaft is inserted into the slot; the bottom of the slot has multiple through holes penetrating the positioning seat, and the fixing shaft further includes:

[0016] Multiple mating bolts are fixedly installed at the insertion end of the fixed shaft and are respectively provided with multiple through holes; each of the mating bolts extends out through the corresponding through hole, and the extended end is threadedly connected with a mating nut suitable for abutting against the outer surface of the positioning seat;

[0017] When the fixed shaft is inserted into the slot and the mating nut abuts against the positioning seat, the driven gear is adapted to abut against the positioning seat and mesh with the driving gear.

[0018] In one possible implementation, the transmission structure includes:

[0019] A connecting rod, fixedly mounted on the alignment sleeve, and extending toward the driven gear; and

[0020] A sleeve is fixedly mounted on the driven gear and is adapted for insertion of the connecting rod to synchronize the rotation of the driven gear and the alignment sleeve.

[0021] When the fixed shaft disengages from the slot, the driven gear can move away from the alignment sleeve to separate the sleeve and the connecting rod.

[0022] In one possible implementation, the extended end of the fixed shaft has an anti-detachment disc extending radially outward therefrom;

[0023] When the driven gear abuts against the positioning seat, the anti-disengagement disc can abut against the alignment sleeve to restrict the movement of the alignment sleeve toward and away from the positioning seat.

[0024] In one possible implementation, the positioning seat has a recessed groove on the side facing away from the driven gear, and the first rotating motor is disposed in the recessed groove; the bottom of the recessed groove has a reserved hole that penetrates the positioning seat, and the power output shaft of the first rotating motor passes through the reserved hole and extends out.

[0025] The positioning seat may also be detachably connected to a cover suitable for closing or avoiding the sinking groove, and the cover has a limiting block suitable for embedding into the sinking groove and abutting against the first rotating motor.

[0026] In one possible implementation, an elastic ring is fitted onto the fixed shaft;

[0027] The alignment bushing is coaxially sleeved on the elastic ring, and the inner circumferential surface of the alignment bushing is provided with a plurality of concave ball grooves spaced apart along its circumference; each concave ball groove is fitted with a ball extending to its outer side, and the ball is adapted to abut against the outer circumferential surface of the elastic ring.

[0028] In one possible implementation, the adjustment structure includes:

[0029] Multiple grooves are formed on the outer peripheral surface of the alignment bushing and are spaced apart along the circumferential direction of the alignment bushing; wherein the depth of each pair of grooves is different.

[0030] Multiple threaded sleeves correspond one-to-one with multiple grooves; each threaded sleeve is fixedly inserted into its corresponding groove, with the inserted end abutting the bottom of the groove; and

[0031] A connecting screw is fixedly disposed on the bottom surface of the mounting base and is adapted to be threadedly connected to any one of the threaded sleeves, such that the connecting screw abuts against the bottom of the groove and the mounting base abuts against the threaded sleeve.

[0032] In one possible implementation, the locking structure includes:

[0033] Multiple limiting grooves are formed on the outer surface of the mounting base and are spaced apart around the rotation axis of the swing arm; and

[0034] A swing arm is fixedly connected to the rotation shaft of the swing member; a locking nut adapted to communicate with any one of the limiting grooves is fixedly provided on the swing arm, and a stop bolt adapted to be inserted into the limiting groove is threaded on the locking nut.

[0035] In one possible implementation, the first rotational drive member includes:

[0036] A support shaft is fixedly connected to the bottom surface of the positioning seat, and its axis is parallel to the vertical direction; the support shaft is rotatably connected to the upper side of the testing vehicle in the vertical direction; and

[0037] The second rotating motor is fixedly installed inside the testing vehicle. Its power output axis is parallel to the vertical direction, and the power output end of the second rotating motor is coaxially connected to the support shaft.

[0038] In this embodiment of the application, the inspection vehicle can move inside the pipeline network to move the camera body to the defect inspection area. During the defect inspection process, the operator can drive the positioning seat to rotate through the first rotation drive component, so that the camera body rotates around the positioning seat as an axis. At the same time, the second rotation drive component can also drive the alignment bushing to rotate, so that the camera body rotates around the fixed axis, thereby changing the orientation of the camera body.

[0039] In addition, before placing the inspection vehicle into the pipeline network, operators can adjust the distance between the alignment bushing and the mounting base by adjusting the structure to adjust the distance between the camera body and the inner wall of the pipeline network; and they can also adjust the tilt angle of the swing component relative to the mounting base and fix the tilt angle by the locking structure so that the initial orientation of the camera body is more adapted to the actual pipeline network environment.

[0040] The urban stormwater and sewage pipe network defect detection device provided in this embodiment, compared with the prior art, can flexibly adjust the orientation of the camera relative to the running direction of the detection vehicle to increase the detection area and ensure the stability of pipe network defect detection. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0042] Figure 1 A three-dimensional structural schematic diagram of the defect detection and inspection device provided in the embodiments of this application;

[0043] Figure 2 for Figure 1Side view;

[0044] Figure 3 for Figure 1 Top view;

[0045] Figure 4 For along Figure 3 Cross-sectional view of line AA in the middle;

[0046] Figure 5 This is a schematic diagram of the positioning seat, fixed shaft, and alignment bushing used in the embodiments of this application in their combined state;

[0047] Figure 6 for Figure 5 A magnified view of a portion of the middle circle at point B;

[0048] Figure 7 This is a three-dimensional structural diagram of the locking structure used in the embodiments of this application;

[0049] Figure 8 This is a partial exploded view of the adjustable distance structure used in the embodiments of this application.

[0050] Figure 9 This is a schematic diagram of the partially exploded structure of the alignment bushing used in the embodiments of this application from a cross-sectional perspective.

[0051] Figure 10 This is a three-dimensional structural diagram of the positioning seat used in the embodiments of this application;

[0052] Figure 11 This is an exploded view of the positioning seat used in the embodiments of this application;

[0053] Figure 12 This is a three-dimensional structural diagram of the positioning seat and the first rotating motor used in the embodiments of this application, in cross-sectional view.

[0054] Figure 13 This is a three-dimensional structural diagram of the second rotation drive component used in the embodiments of this application;

[0055] Figure 14 This is a three-dimensional structural diagram of the first rotating motor used in the embodiments of this application from an explosion perspective.

[0056] Figure 15 This is a three-dimensional structural diagram of the testing vehicle used in the embodiments of this application;

[0057] Explanation of reference numerals in the attached drawings: 1. Positioning seat; 11. Slot; 12. Through hole; 13. Recessed groove; 131. Reserved hole; 14. Cover; 141. Limiting block; 2. Fixed shaft; 21. Connecting bolt; 22. Connecting nut; 23. Anti-detachment disc; 24. Elastic ring; 3. Mounting seat; 31. Swinging component; 4. First rotation drive component; 41. Support shaft; 42. Second rotation motor; 5. Alignment bushing; 51. Concave ball groove; 5 2. Ball bearing; 6. Second rotation drive component; 61. Driven gear; 62. First rotation motor; 621. Drive gear; 7. Adjustment structure; 71. Groove; 72. Threaded sleeve; 73. Connecting screw; 8. Transmission structure; 81. Connecting rod; 82. Sleeve; 9. Locking structure; 91. Limiting groove; 92. Swing arm; 921. Locking nut; 922. Stop bolt; 10. Inspection vehicle; 20. Camera body. Detailed Implementation

[0058] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0059] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0060] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0062] Please refer to the following: Figures 1 to 15The present application describes the defect detection and inspection device for urban stormwater and sewage pipe networks. The defect detection and inspection device for urban stormwater and sewage pipe networks proposed in this application includes an inspection vehicle 10, a camera body 20, a positioning seat 1, a fixed shaft 2, and a mounting base 3.

[0063] The inspection vehicle 10 is used to move within the pipeline network, and the moving distance and direction are typically adjusted by remote control. In this embodiment, the inspection vehicle 10 includes a hollow box and rotating rollers arranged side by side on the box in the front-to-back direction and rotatably connected to the box in the left-to-right direction; each rotating roller has rollers connected to both ends, and one of the rotating rollers is driven by a driving component for driving its rotation; and the two rotating rollers are connected by a synchronous belt to make the two rotating rollers rotate synchronously.

[0064] The aforementioned driving component includes a third rotating motor fixedly mounted on the inner wall of the housing, and a first gear coaxially mounted on the rotating roller; wherein the power output axis of the third rotating motor is parallel to the axis of the rotating roller, and the power output end is connected to a second gear meshing with the first gear.

[0065] The camera body 20 is a waterproof camera, which can move within the pipe network in high water flow environments without being affected by the water flow.

[0066] The positioning seat 1 is disposed on the upper side of the inspection vehicle 10. The positioning seat 1 is rotatably connected to the upper side of the inspection vehicle 10 in the vertical direction, and the positioning seat 1 is connected to a first rotation drive member 4 for driving it to rotate relative to the inspection vehicle 10.

[0067] The fixed shaft 2 is fixedly mounted on the positioning seat 1 and extends outward in the horizontal direction; a positioning sleeve 5 is fitted on the fixed shaft 2, the positioning sleeve 5 has a degree of freedom to rotate relative to the fixed shaft 2, and the positioning sleeve 5 is connected to a second rotation drive member 6 for driving it to rotate relative to the fixed shaft 2.

[0068] Mounting seat 3 is located on the outside of alignment sleeve 5, and this mounting seat 3 is connected to alignment sleeve 5 through adjusting structure 7; by manually adjusting the adjusting structure 7, this mounting seat 3 can be fixed at different positions relative to alignment sleeve 5. Specifically, the fixed positions of mounting seat 3 are arranged at intervals along the circumference of alignment sleeve 5, and the distance between each fixed position and the central axis of alignment sleeve 5 is different.

[0069] A swing member 31 is hinged horizontally to the mounting base 3. The hinge axis of the swing member 31 is perpendicular to the axis of the alignment sleeve 5, giving it the freedom to swing relative to the mounting base 3. A locking structure 9 connects the swing member 31 and the mounting base 3, restricting the swing of the swing member 31 relative to the mounting base 3. Furthermore, the aforementioned camera body 20 is fixedly mounted on the swing member 31, with the orientation of the camera body 20 perpendicular to the hinge axis of the swing member 31.

[0070] In this embodiment, the inspection vehicle 10 can move inside the pipeline network to move the camera body 20 to the defect inspection area. During the defect inspection process, the operator can drive the positioning seat 1 to rotate through the first rotation drive component 4, so that the camera body 20 rotates around the positioning seat 1. At the same time, the operator can also drive the alignment bushing 5 to rotate through the second rotation drive component 6, so that the camera body 20 rotates around the fixed axis 2, thereby changing the orientation of the camera body 20.

[0071] In addition, before placing the inspection vehicle 10 into the pipeline network, the operator can adjust the distance between the alignment bushing 5 and the mounting base 3 by adjusting the structure to adjust the distance between the camera body 20 and the inner wall of the pipeline network; and can also adjust the tilt angle of the swing member 31 relative to the mounting base 3 and fix the tilt angle by the locking structure 9 so that the initial orientation of the camera body 20 is more adapted to the actual pipeline network environment.

[0072] The urban stormwater and sewage pipe network defect detection device provided in this embodiment, compared with the prior art, can flexibly adjust the orientation of the camera relative to the running direction of the detection vehicle 10 to increase the detection area and ensure the stability of pipe network defect detection.

[0073] In some embodiments, such as Figures 10 to 13 As shown, the second rotation drive component 6 includes a driven gear 61 and a first rotation motor 62.

[0074] Driven gear 61 is coaxially sleeved on fixed shaft 2 and adapted to rotate relative to fixed shaft 2; a transmission structure 8 is provided between driven gear 61 and alignment sleeve 5 to enable synchronous rotation of driven gear 61 and alignment sleeve 5; and

[0075] The first rotating motor 62 is fixedly mounted on the positioning seat 1. Its power output axis is parallel to the axis of the driven gear 61, and the power output end of the first rotating motor 62 is connected to the driving gear 621 that meshes with the driven gear 61.

[0076] In some embodiments, such as Figure 4 , Figure 10 and Figure 13As shown, the positioning seat 1 has a slot 11 facing the horizontal direction, and the fixing shaft 2 is inserted into the slot 11; the bottom of the slot 11 has multiple through holes 12 penetrating the positioning seat 1, and the fixing shaft 2 also includes multiple mating bolts 21.

[0077] Multiple mating bolts 21 are fixedly installed at the insertion end of the fixed shaft 2 and are corresponding to multiple through holes 12 one by one; each mating bolt 21 extends through the corresponding through hole 12 and the extended end is threadedly connected to a mating nut 22 suitable for abutting against the outer side of the positioning seat 1.

[0078] When the fixed shaft 2 is inserted into the slot 11 and the mating nut 22 abuts against the positioning seat 1, the driven gear 61 is adapted to abut against the positioning seat 1 and mesh with the driving gear 621.

[0079] In some embodiments, such as Figure 4 and Figure 13 As shown, the transmission structure 8 includes a connecting rod 81 and a sleeve 82.

[0080] The connecting rod 81 is fixedly mounted on the alignment sleeve 5, specifically on the side of the alignment sleeve 5 facing the driven gear 61, and extends toward the driven gear 61.

[0081] The sleeve 82 is fixedly mounted on the driven gear 61, specifically on the side of the driven gear 61 facing the alignment sleeve 5, and extends toward the alignment sleeve 5.

[0082] In actual use, the connecting rod 81 can be inserted into the sleeve 82 to synchronize the rotation of the driven gear 61 and the alignment sleeve 5. Furthermore, when the fixed shaft 2 disengages from the slot 11, the driven gear 61 can move away from the alignment sleeve 5 to separate the sleeve 82 and the connecting rod 81, thereby facilitating the maintenance, replacement, and repair of either component.

[0083] In some embodiments, such as Figure 4 and Figure 5 As shown, the extended end of the fixed shaft 2 has an anti-detachment disc 23 extending radially outward.

[0084] By adopting the above technical solution, when the driven gear 61 abuts against the positioning seat 1, the anti-disengagement disc 23 can abut against the alignment sleeve 5 to limit the movement of the alignment sleeve 5 toward and away from the positioning seat 1.

[0085] In some embodiments, such as Figures 10 to 12 As shown, a recessed groove 13 is provided on the side of the positioning seat 1 facing away from the driven gear 61, and the first rotating motor 62 is installed in the recessed groove 13; a reserved hole 131 is provided at the bottom of the recessed groove 13 to penetrate the positioning seat 1, and the power output shaft of the first rotating motor 62 extends out through the reserved hole 131.

[0086] The positioning seat 1 may also be detachably connected to a cover 14 suitable for closing or avoiding the sinking groove 13, and the cover 14 has a limiting block 141 suitable for embedding into the sinking groove 13 and abutting against the first rotating motor 62.

[0087] In some embodiments, such as Figure 4 and Figure 13 As shown, an elastic ring 24 is fitted on the fixed shaft 2. The elastic ring 24 is made of elastic material and is in an elastic deformation state to limit the rotation of the elastic ring 24 relative to the fixed shaft 2.

[0088] The alignment sleeve 5 is coaxially fitted on the elastic ring 24, and the inner circumferential surface of the alignment sleeve 5 is provided with a plurality of concave ball grooves 51 spaced apart along its circumference; each concave ball groove 51 is fitted with a ball 52 extending to its outer side, and the ball 52 is adapted to abut against the outer circumferential surface of the elastic ring 24, causing the outer circumferential surface of the elastic ring 24 to undergo concave elastic deformation.

[0089] In some embodiments, such as Figure 8 and Figure 9 As shown, the adjustable distance structure 7 includes multiple grooves 71, multiple threaded sleeves 72, and connecting screws 73.

[0090] Multiple grooves 71 are formed on the outer peripheral surface of the alignment sleeve 5, and the multiple grooves 71 are spaced apart along the circumferential direction of the alignment sleeve 5; it should be noted that the depth of each pair of grooves 71 is different, that is, each groove 71 has a different depth.

[0091] Multiple threaded sleeves 72 have the same length and correspond one-to-one with multiple grooves 71.

[0092] In actual use, each threaded sleeve 72 can be fixedly inserted into the corresponding groove 71, and the inserted end abuts against the bottom of the groove 71; specifically, the threaded sleeve 72 can be fixedly inserted into the groove 71 by means of glue.

[0093] The connecting screw 73 is fixedly mounted on the bottom surface of the mounting base 3 and is adapted to be inserted into any one of the threaded sleeves 72 for threaded connection with any one of the threaded sleeves 72, and the connecting screw 73 abuts against the bottom of the groove 71 and the mounting base 3 abuts against the threaded sleeve 72.

[0094] By adopting the above technical solution, the mounting base 3 can be fixed relative to the alignment sleeve 5 through the fixed insertion of the threaded sleeve 72 and the groove 71, and the threaded connection between the connecting screw 73 and the threaded sleeve 72. By selecting the connecting screw 73 that connects to different grooves 71, the distance between the mounting base 3 and the central axis of the alignment sleeve 5 can be adjusted.

[0095] In some embodiments, such as Figures 6 to 8As shown, the outer side of the mounting base 3 has a through hole that extends into its interior and is coaxial with the rotation shaft of the swing member 31. The rotation shaft of the swing member 31 passes through this through hole and extends to the outside of the mounting base 3.

[0096] Based on this, the locking structure 9 includes multiple limiting grooves 91 and a swing arm 92.

[0097] Multiple limiting grooves 91 are provided on the outer side of the mounting base 3 and are spaced around the rotation axis (i.e., the perforation) of the swing arm 92.

[0098] The swing arm 92 is fixedly connected to the rotation shaft of the swing member 31 and extends radially outward along the rotation shaft of the swing member 31. A locking nut 921 adapted to communicate with any of the limiting grooves 91 is fixedly provided on the swing arm 92, and a stop bolt 922 adapted to be inserted into the limiting groove 91 is threaded on the locking nut 921, so as to limit the swing of the swing member 31 and the camera body 20 relative to the mounting base 3 by limiting the swing of the swing arm 92 relative to the mounting base 3.

[0099] It should be noted that, in this embodiment, the swing arm 92 is provided with an insertion hole that can communicate with any of the limiting grooves 91. The aforementioned locking nut 921 is fixedly disposed on the side of the swing arm 92 facing away from the mounting base 3 and is coaxially disposed with this insertion hole.

[0100] In some embodiments, such as Figure 4 and Figure 14 As shown, the first rotation drive component 4 includes a support shaft 41 and a second rotation motor 42.

[0101] The support shaft 41 is fixedly connected to the bottom surface of the positioning seat 1, and its axis is parallel to the vertical direction. The support shaft 41 is rotatably connected to the upper side of the inspection vehicle 10 in the vertical direction. Specifically, the inspection vehicle 10 has a through mounting hole in the vertical direction, and the support shaft 41 is rotatably inserted into this mounting hole.

[0102] The second rotating motor 42 is fixedly installed inside the testing vehicle 10. Its power output axis is parallel to the vertical direction, and the power output end of the second rotating motor 42 is coaxially connected to the support shaft 41 through the mounting hole.

[0103] The above content is only a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A defect detection and inspection device for urban stormwater and sewage pipe networks, comprising an inspection vehicle and a camera body, characterized in that, The defect detection and inspection device also includes: The positioning seat is rotatably mounted on the upper side of the testing vehicle in the vertical direction, and is connected to a first rotation drive component for driving its rotation. A fixed shaft is fixedly mounted on the positioning seat and extends outward in a horizontal direction; a positioning sleeve is rotatably fitted on the fixed shaft, and the positioning sleeve is driven by a second rotation drive component for rotating it; and A mounting base is disposed on the outside of the alignment bushing and connected to the alignment bushing via an adjusting structure; a swing member is hinged to the mounting base in the horizontal direction, the hinge axis of the swing member is perpendicular to the axis of the alignment bushing, and a locking structure is provided between the swing member and the mounting base. The camera body is fixedly mounted on the swinging component.

2. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 1, characterized in that, The second rotation drive component includes: A driven gear, coaxially sleeved on the fixed shaft and adapted to rotate relative to the fixed shaft; a transmission structure exists between the driven gear and the aligning bushing to enable synchronous rotation of the driven gear and the aligning bushing; and A first rotating motor is fixedly mounted on the positioning seat. Its power output axis is parallel to the axis of the driven gear, and the power output end of the first rotating motor is connected to a driving gear that meshes with the driven gear.

3. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 2, characterized in that, The positioning seat has a slot facing horizontally, and the fixing shaft is inserted into the slot; the bottom of the slot has multiple through holes penetrating the positioning seat, and the fixing shaft further includes: Multiple mating bolts are fixedly installed at the insertion end of the fixed shaft and are respectively provided with multiple through holes; each of the mating bolts extends out through the corresponding through hole, and the extended end is threadedly connected with a mating nut suitable for abutting against the outer surface of the positioning seat; When the fixed shaft is inserted into the slot and the mating nut abuts against the positioning seat, the driven gear is adapted to abut against the positioning seat and mesh with the driving gear.

4. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 3, characterized in that, The transmission structure includes: A connecting rod, fixedly mounted on the alignment bushing, and extending toward the driven gear; and A sleeve is fixedly mounted on the driven gear and is adapted for insertion of the connecting rod to synchronize the rotation of the driven gear and the alignment sleeve. When the fixed shaft disengages from the slot, the driven gear can move away from the alignment sleeve to separate the sleeve and the connecting rod.

5. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 3, characterized in that, The extended end of the fixed shaft has an anti-detachment disc extending radially outward therefrom. When the driven gear abuts against the positioning seat, the anti-disengagement disc can abut against the alignment sleeve to restrict the movement of the alignment sleeve toward and away from the positioning seat.

6. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 2, characterized in that, The positioning seat has a recessed groove on the side facing away from the driven gear, and the first rotating motor is installed in the recessed groove; the bottom of the recessed groove has a reserved hole that penetrates the positioning seat, and the power output shaft of the first rotating motor passes through the reserved hole and extends out. The positioning seat may also be detachably connected to a cover suitable for closing or avoiding the sinking groove, and the cover has a limiting block suitable for embedding into the sinking groove and abutting against the first rotating motor.

7. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 1, characterized in that, An elastic ring is fitted onto the fixed shaft; The alignment bushing is coaxially sleeved on the elastic ring, and the inner circumferential surface of the alignment bushing is provided with a plurality of concave ball grooves spaced apart along its circumference; each concave ball groove is fitted with a ball extending to its outer side, and the ball is adapted to abut against the outer circumferential surface of the elastic ring.

8. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 1, characterized in that, The adjustment structure includes: Multiple grooves are formed on the outer peripheral surface of the alignment bushing and are spaced apart along the circumferential direction of the alignment bushing; wherein the depth of each pair of grooves is different. Multiple threaded sleeves correspond one-to-one with multiple grooves; each threaded sleeve is fixedly inserted into its corresponding groove, with the inserted end abutting the bottom of the groove; and A connecting screw is fixedly disposed on the bottom surface of the mounting base and is adapted to be threadedly connected to any one of the threaded sleeves, such that the connecting screw abuts against the bottom of the groove and the mounting base abuts against the threaded sleeve.

9. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 1, characterized in that, The locking structure includes: Multiple limiting grooves are formed on the outer surface of the mounting base and are spaced apart around the rotation axis of the swing arm; and A swing arm is fixedly connected to the rotation shaft of the swing member; a locking nut adapted to communicate with any one of the limiting grooves is fixedly provided on the swing arm, and a stop bolt adapted to be inserted into the limiting groove is threaded on the locking nut.

10. The defect detection and inspection device for urban stormwater and sewage pipe networks as described in claim 1, characterized in that, The first rotation drive component includes: A support shaft is fixedly connected to the bottom surface of the positioning seat, and its axis is parallel to the vertical direction; the support shaft is rotatably connected to the upper side of the testing vehicle in the vertical direction; and The second rotating motor is fixedly installed inside the testing vehicle. Its power output axis is parallel to the vertical direction, and the power output end of the second rotating motor is coaxially connected to the support shaft.

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