Drainage pipeline internal defect imaging detection equipment for construction
By introducing a cleaning mechanism and auxiliary movement method into the drainage pipe inspection equipment, the problem of silt affecting the inspection was solved, achieving efficient cleaning and imaging even in the presence of impurities, thus ensuring the quality of the inspection.
Patent Information
- Application Number
- CN202520632632.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-04-07
AI Technical Summary
Existing drainage pipe inspection equipment cannot effectively photograph the inner wall of the pipe when impurities such as silt are present, which affects the inspection results.
A detection device with a cleaning mechanism was designed, including an airbag, a nozzle, and a walking mechanism. It uses high-pressure water flow to clean the pipes and pushes the sludge away by the airbag adhering to the inner wall of the pipe. Combined with an electric motor and steel wire rope to assist movement, it ensures cleaning and imaging effects.
In the presence of silt, it can effectively clean the inner wall of the pipe, improve the imaging effect, and ensure the accuracy and completeness of the detection.
Smart Images

Figure CN223825876U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline inspection technology, specifically to an imaging inspection device for internal defects in drainage pipelines used in construction. Background Technology
[0002] When constructing drainage pipes using existing technologies, the quality of the drainage pipes should be checked first. Only when the quality meets the standards can the pipes be laid and buried at the target location. At this time, it is necessary to use imaging detection equipment for internal defects of drainage pipes.
[0003] There are many existing inspection devices of this kind, some of which are robotic, using robots to carry cameras and move inside the pipes to capture images of the inner sidewalls. These images are then analyzed by computers or by personnel to determine the damage to the pipe's inner wall. However, these existing inspection devices, especially robotic ones, have a drawback: if there is silt or other impurities at the lower end of the pipe, it will block the inner sidewalls, thus affecting the imaging and inspection work. Therefore, an improved imaging inspection device for internal defects in drainage pipes used in construction is needed to address this problem. Utility Model Content
[0004] The purpose of this invention is to provide an imaging detection device for internal defects in drainage pipes used in construction, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an imaging detection device for internal defects in drainage pipes used in construction, comprising a fixed pipe, a cleaning mechanism for cleaning impurities inside the pipe fixedly installed at one end of the fixed pipe, the cleaning mechanism comprising a fixed chamber, an airbag, and an inflation port, the fixed chamber fixedly installed at one end of the fixed pipe, the airbag fixedly installed in the middle of the fixed chamber, the inflation port fixedly installed on one side of the surface of the fixed chamber, a traveling mechanism for facilitating the movement of the device inside the pipe provided on the outer surface of the fixed pipe, the traveling mechanism comprising a support rod, a crossbar, rollers, a movable sleeve, and a transmission rod, the support rod movably installed on the outer surface of the fixed pipe via a rotating shaft, one end of the support rod movably installed to the crossbar via a rotating shaft, rollers movably installed at both ends of the crossbar via rotating shafts, a movable sleeve movably sleeved on the outer surface of the fixed pipe, a transmission rod movably installed on the outer surface of the movable sleeve via a rotating shaft, the end of the transmission rod near the support rod being movably connected to the support pipe via a rotating shaft, and a plurality of cameras uniformly fixedly installed around the outer surface of the fixed pipe.
[0006] Preferably, a connecting plate is fixedly installed on one side of the fixed chamber, and several nozzles are evenly fixedly installed on the outer surface of the connecting plate. The connecting plate is hollow, and the interior of the connecting plate is interconnected with the interior of the nozzles. The fixed pipe passes through the middle of the fixed chamber and is interconnected with the interior of the connecting plate. Thus, as long as high-pressure water is introduced into the fixed pipe, the high-pressure water will enter the interior of the connecting plate and then spray outwards from the multiple nozzles. In this way, the high-pressure water can also flush and clean the inside of the pipe, thereby further improving the device's cleaning effect on the pipe. It should be noted that the fixed pipe of this device only passes through the fixed chamber, and the fixed pipe and the interior of the fixed chamber are not interconnected, and there is no air or water flow.
[0007] Preferably, a connecting hose is fixedly provided at one end of the fixed pipe, and the connecting hose is in communication with the inside of the fixed pipe, so that water can be supplied to the inside of the fixed pipe through the connecting hose.
[0008] Preferably, a nut is screwed onto the outer surface of the fixed pipe, and the nut is movably connected to the movable sleeve through an annular groove, so that the nut can rotate as a movable sleeve, but cannot undergo relative displacement. By rotating the nut, it can move left and right along the fixed pipe under the action of the thread, thereby driving the movable sleeve to move left and right. In this way, the transmission rod can push the support rod to open, so that the roller contacts the inner wall of the pipe.
[0009] Preferably, an electric motor is fixedly mounted on the outer surface of the crossbar, and the power output shaft of the electric motor is connected to the rotating shaft where the roller is located. The electric motor can easily drive the roller to rotate, thereby enabling the entire device to move inside the pipe.
[0010] Preferably, a hanging lug is fixedly provided on one side of the surface of the connecting plate. When the power of the device for cleaning the pipeline is insufficient, the device can be connected to a steel wire rope and then pulled by the steel wire rope to move the device inside the pipeline.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. When there is a large amount of silt and impurities inside the pipe, making it impossible for workers to see the condition at the lower end of the pipe, the device can be moved to inflate the airbag through the inflation valve. The inflation valve of this device is the same valve commonly used in vehicle tires in the prior art. This allows the airbag to inflate and fit against the inner side wall of the pipe. When the device moves, it can push the silt forward, thus cleaning the pipe and improving the imaging effect of the device, making it easier for workers to inspect the condition inside the pipe.
[0013] 2. When the power is insufficient, that is, when the electric motor cannot move the device and the sludge inside the pipe, this utility model can also use a steel wire rope to pull the device through the pipe to be cleaned. At this time, the staff needs to pass the steel wire rope through the other end of the pipe and fix it through the hanging ears of the steel wire rope. Then, similarly, the air bladder is inflated and pops up to contact the inner side wall of the pipe. Then, a winch or electric hoist is used to wind the steel wire rope, and the steel wire rope is used to drive the entire device to move inside the pipe. At this time, the sludge inside the drainage pipe can be cleaned by using the inflated air bladder. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of an imaging detection device for internal defects in drainage pipes used in construction, according to this utility model.
[0015] Figure 2 This is a side view of an imaging detection device for internal defects in drainage pipes used in construction, according to this utility model.
[0016] Figure 3 This is a front view of an imaging detection device for internal defects in drainage pipes used in construction, according to this utility model.
[0017] In the diagram: 1. Fixed tube; 2. Fixed chamber; 3. Airbag; 4. Inflation port; 5. Support rod; 6. Crossbar; 7. Roller; 8. Movable sleeve; 9. Transmission rod; 10. Camera; 11. Connecting plate; 12. Nozzle; 13. Connecting hose; 14. Nut; 15. Motor; 16. Hanging lug. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] Please see Figure 1-3This utility model provides a technical solution: an imaging detection device for internal defects in drainage pipes used in construction, comprising a fixed pipe 1, a cleaning mechanism for cleaning impurities inside the pipe fixedly installed at one end of the fixed pipe 1, the cleaning mechanism comprising a fixed chamber 2, an airbag 3, and an inflation port 4, the fixed chamber 2 fixedly installed at one end of the fixed pipe 1, the airbag 3 fixedly installed in the middle of the fixed chamber 2, the inflation port 4 fixedly installed on one side of the surface of the fixed chamber 2, and a traveling mechanism for facilitating the movement of the device inside the pipe provided on the outer surface of the fixed pipe 1, the traveling mechanism comprising a support rod. 5. A crossbar 6, rollers 7, a movable sleeve 8, and a transmission rod 9. A support rod 5 is movably mounted on the outer surface of the fixed tube 1 via a rotating shaft. One end of the support rod 5 is movably mounted to the crossbar 6 via a rotating shaft. Rollers 7 are movably mounted on both ends of the crossbar 6 via rotating shafts. A movable sleeve 8 is movably fitted on the outer surface of the fixed tube 1. A transmission rod 9 is movably mounted on the outer surface of the movable sleeve 8 via a rotating shaft. The end of the transmission rod 9 near the support rod 5 is movably connected to the support tube via a rotating shaft. Several cameras 10 are evenly fixed around the outer surface of the fixed tube 1.
[0020] A connecting plate 11 is fixedly installed on one side of the fixed chamber 2. Several nozzles 12 are evenly fixed on the outer surface of the connecting plate 11. The connecting plate 11 is hollow and the interior of the connecting plate 11 is interconnected with the interior of the nozzles 12. The fixed pipe 1 passes through the middle of the fixed chamber 2 and is interconnected with the interior of the connecting plate 11. Thus, as long as high-pressure water is introduced into the fixed pipe 1, the high-pressure water will enter the interior of the connecting plate 11 and then spray out from the multiple nozzles 12. In this way, the high-pressure water can also flush and clean the inside of the pipe, thereby further improving the device's ability to clean the pipe. It should be noted that the fixed pipe 1 of this device only passes through the fixed chamber 2, and the fixed pipe 1 and the fixed chamber 2 are not interconnected, do not allow air or water to pass through them.
[0021] A connecting hose 13 is fixedly installed at one end of the fixed pipe 1. The connecting hose 13 is in communication with the inside of the fixed pipe 1, and water can be supplied to the inside of the fixed pipe 1 through the connecting hose 13.
[0022] The outer surface of the fixed pipe 1 is provided with a nut 14 by means of a threaded engagement. The nut 14 is movably connected to the movable sleeve 8 by an annular groove, so that the nut 14 can rotate in relation to the movable sleeve 8, but cannot be displaced relative to it. By rotating the nut 14, it can move left and right along the fixed pipe 1 under the action of the thread, thereby driving the movable sleeve 8 to move left and right. In this way, the transmission rod 9 can push the support rod 5 to open, so that the roller 7 contacts the inner wall of the pipe.
[0023] A motor 15 is fixedly installed on the outer surface of the crossbar 6. The power output shaft of the motor 15 is connected to the rotating shaft where the roller 7 is located. The motor 15 can easily drive the roller 7 to rotate, thereby enabling the entire device to move inside the pipe.
[0024] A hanging lug 16 is fixedly provided on one side of the surface of the connecting plate 11. When the power of the device for cleaning the pipeline is insufficient, the hanging lug 16 can be used to connect a steel wire rope, and then the device can be moved inside the pipeline by pulling the steel wire rope.
[0025] Working principle: When using this device, the entire device can be moved inside the pipe by the roller 7. At this time, multiple cameras 10 take 360-degree circular shots to help staff determine whether there is any damage inside the pipe.
[0026] If there is a large amount of sludge and impurities inside the pipe, making it impossible for staff to see the condition at the bottom of the pipe, the airbag 3 can be inflated by the inflation valve when the device is moved. The inflation valve of this device is the same valve commonly used in vehicle tires in the existing technology. This causes the airbag 3 to inflate and fit against the inner side wall of the pipe. When the device is moved, it can push the sludge forward. This cleans the pipe and improves the imaging effect of the device, making it easier for staff to inspect the condition inside the pipe.
[0027] When this device is cleaning inside the pipe, that is, when the airbag 3 inflates and pops up to fit against the inner side wall of the pipe, if the device lacks power, that is, the motor 15 cannot move the device and the sludge inside the pipe, this device can also be pulled by a steel wire rope to move the device through the pipe being cleaned. At this time, the staff needs to pass the steel wire rope through the other end of the pipe and then fix it with the hanging lug 16 of the device through the steel wire rope. Then, similarly, the airbag 3 inflates and pops up to contact the inner side wall of the pipe, and then the winch or electric hoist is used to wind the steel wire rope, and then the steel wire rope is used to drive the entire device to move inside the pipe. At this time, the sludge inside the drainage pipe can be cleaned by using the inflated airbag 3.
[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An imaging detection device for internal defects in drainage pipes used in construction, comprising a fixed pipe (1), characterized in that: A cleaning mechanism for cleaning impurities inside the pipe is fixedly installed at one end of the fixed pipe (1). The cleaning mechanism includes a fixed chamber (2), an air bladder (3), and an inflation port (4). The fixed chamber (2) is fixedly installed at one end of the fixed pipe (1). An air bladder (3) is fixedly installed in the middle of the fixed chamber (2). An inflation port (4) is fixedly installed on one side of the surface of the fixed chamber (2). A walking mechanism for facilitating the movement of the device inside the pipe is provided on the outer surface of the fixed pipe (1). The walking mechanism includes a support rod (5), a crossbar (6), a roller (7), a movable sleeve (8), and a transmission rod (9). The outer surface of the fixed tube (1) is movably provided with a support rod (5) via a rotating shaft. One end of the support rod (5) is movably provided with a crossbar (6) via a rotating shaft. Both ends of the crossbar (6) are movably provided with rollers (7) via rotating shafts. The outer surface of the fixed tube (1) is movably fitted with a movable sleeve (8). The outer surface of the movable sleeve (8) is movably provided with a transmission rod (9) via a rotating shaft. The end of the transmission rod (9) near the support rod (5) is movably connected to the support tube via a rotating shaft. Several cameras (10) are evenly fixed around the outer surface of the fixed tube (1).
2. The imaging detection device for internal defects in drainage pipes used in construction, as described in claim 1, is characterized in that: A connecting plate (11) is fixedly installed on one side of the fixed chamber (2). Several nozzles (12) are evenly fixed on the outer surface of the connecting plate (11). The connecting plate (11) is hollow. The interior of the connecting plate (11) is connected to the interior of the nozzles (12). The fixed tube (1) passes through the middle of the fixed chamber (2) and is connected to the interior of the connecting plate (11).
3. The imaging detection device for internal defects in drainage pipes used in construction, as described in claim 1, is characterized in that: A connecting hose (13) is fixedly installed at one end of the fixed tube (1), and the connecting hose (13) is in communication with the interior of the fixed tube (1).
4. The imaging detection device for internal defects in drainage pipes used in construction, as described in claim 1, is characterized in that: The outer surface of the fixed tube (1) is provided with a nut (14) by means of a threaded engagement. The nut (14) and the movable sleeve (8) are movably connected by an annular groove so that the nut (14) can rotate in relation to the movable sleeve (8), but cannot be displaced relative to it.
5. The imaging detection device for internal defects in drainage pipes used in construction, as described in claim 1, is characterized in that: An electric motor (15) is fixedly installed on the outer surface of the crossbar (6), and the power output shaft of the electric motor (15) is connected to the rotating shaft where the roller (7) is located.
6. The imaging detection device for internal defects in drainage pipes used in construction, as described in claim 2, is characterized in that: A hanging lug (16) is fixedly provided on one side of the surface of the connecting plate (11).