Disclosure of Invention
The invention aims to provide a plugging air bag without water adjustment, a detection device of a water discharging pipeline without water adjustment and a use method thereof, which are used in a water discharging pipeline with small water flow, and the safety of a CCTV robot in the CCTV detection process can be ensured without adopting the traditional air bag to perform complete plugging.
In order to solve the above technical problem, the present invention provides an irregular water plugging air bag for pipeline detection, comprising:
an air bag cylinder with a hollow structure design;
the outer layer air bag is fixedly coated on the outer side wall of the air bag cylinder;
the inner layer air bag is fixedly attached to the inner side wall of the air bag barrel, and a water through hole suitable for water flow in the drainage pipeline to pass through is formed in the middle of the inner layer air bag;
an outer inflation nozzle is arranged on the outer layer air bag;
an inner inflating nozzle is arranged on the inner layer air bag;
the outer inflating nozzle is suitable for inflating the outer air bag so as to enable the outer air bag to be attached to and tensioned with the inner wall of the drainage pipeline;
the inner inflating nozzle is suitable for inflating the inner layer air bag to adjust the aperture of the limber hole, so that the water flow passing through the limber hole is limited.
Further, the gasbag section of thick bamboo is cylindrical barrel structure.
Further, the airbag barrel comprises a small-diameter barrel and a large-diameter barrel; wherein
One end of the large-diameter cylinder is bent inwards and connected with the small-diameter cylinder;
the inner wall of the outer layer air bag is fixedly arranged on the outer side walls of the small-diameter cylinder and the large-diameter cylinder;
the outer wall of the inner layer air bag is fixedly arranged on the inner side walls of the small-diameter cylinder and the large-diameter cylinder.
Further, the diameter of the small-diameter cylinder is equal to the radius of the large-diameter cylinder.
Furthermore, the inflation port of the internal inflation nozzle sequentially penetrates through the small-diameter cylinder and the inner wall of the outer air bag facing the drainage pipeline.
In another aspect, the present invention further provides a device for detecting an abnormal water draining pipeline, comprising:
at least one irregular water plugging air bag as described above, which is placed in an upstream pipe section of a drainage pipeline to limit the water flow discharged into a downstream pipe section by the upstream pipe section;
the air compressor is arranged on the ground to inflate the irregular water blocking air bag;
and the CCTV robot is placed in a downstream pipe section of the drainage pipeline to carry out CCTV detection.
Further, the air compressor and an external charging nozzle and an internal charging nozzle of the non-water-adjusting plugging air bag are connected with air pipes;
the air pipe is provided with a pressure gauge and a valve switch.
In a third aspect, the present invention further provides a method for using the device for detecting an abnormal water draining pipeline, including:
s1, opening an inspection well of the drainage pipeline, detecting water flow in the drainage pipeline, and determining the number of the air bags which are sealed by adopting no water regulation;
step S2, sequentially hanging the water-seal-unadjusted air bags into the inspection well, placing the air bags into the end part of the pipe section to be detected, inflating and pressurizing the outer air bag of the water-unadjusted air bag by using an air compressor, and firmly attaching the water-unadjusted air bag to the inner wall of the pipeline;
s3, inflating and pressurizing the inner layer air bag of the water-adjusting-free plugging air bag, determining the inflation degree of the inner layer air bag according to the water flow in the pipeline, and limiting the water flow discharged into the downstream pipe section by the upstream pipe section;
step S4, placing the CCTV robot into a downstream pipe section for detection, and pulling out the CCTV robot for recovery after the detection of the pipe section to be detected is completed, so that the CCTV detection is completed;
step S5, removing the plugging air bag without water adjustment, wherein the removal is carried out by adopting a process of an upstream pipe section from a downstream pipe section;
and S6, recovering the normal working state of the drainage pipeline and detecting the completion of construction.
Further, the step S5 includes:
s5.1, reducing the pressure of the inner air bag, wherein the pressure of the outer air bag is unchanged;
and S5.2, after the water flow is stable, opening a valve switch of the outer air bag, releasing the pressure of the outer air bag, and taking out the irregular water blocking air bag.
Further, when there are a plurality of downstream pipe sections to be detected, after the step S4 is completed, the CCTV robot is placed in the next pipe section to be detected.
The invention has the beneficial effects that the water non-regulating plugging air bag, the water non-regulating drainage pipeline detection device and the use method thereof divide the water non-regulating plugging air bag into the air bags with two independent structures, namely an outer air bag and an inner air bag, wherein the outer air bag is used for controlling the close fit degree with a drainage pipeline, and the inner air bag is used for controlling the flow in the pipeline, so that the optimal flow control of the pipeline can be realized during CCTV (China telecom television) inspection, and a good working environment is provided for CCTV detection. By maintaining low flow operation of the drainage pipeline, the downstream pipe section can be tested normally at a reasonable level. The water plugging-free air bag is simple in structure, easy to operate, beneficial to large-area rapid detection of a drainage pipe network, free of construction of full-section water plugging and water plugging, capable of reducing construction period and influence on road traffic, low in construction cost and good in economic benefit and social value.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the irregular water plugging air bag for pipeline inspection of the present embodiment includes: an air bag barrel 11, an outer air bag 12, an inner air bag 13, a water through hole 14, an outer inflating nozzle 15 and an inner inflating nozzle 16; wherein, the air bag cylinder 11 is designed in a hollow structure; the outer layer air bag 12 is fixedly coated on the outer side wall of the air bag barrel 11; the inner layer air bag 13 is fixedly attached to the inner side wall of the air bag barrel 11, and a water through hole 14 suitable for water flow in the drainage pipeline 9 to pass through is formed in the middle of the inner layer air bag 13; an outer inflating nozzle 15 is arranged on the outer layer air bag 12; the inner layer air bag 13 is provided with an inner inflating nozzle 16; the outer inflating nozzle 15 is suitable for inflating and pressurizing the outer layer air bag 12 so as to enable the outer layer air bag 12 to be attached to the inner wall of the drainage pipeline 9 to be expanded and expanded; the inner inflation nozzle 15 is adapted to inflate the inner bag 13 to adjust the aperture of the water passage hole 14, thereby restricting the flow of water through the water passage hole 14. The water-regulating plugging air bag 1 is divided into an outer air bag 12 and an inner air bag 13 which are of completely independent structures, the outer air bag 12 is used for controlling the close fit degree with the drainage pipeline 9, namely the water-regulating plugging air bag is mainly used for being tightly fit with the pipeline after inflation, and the water-regulating plugging air bag 1 is prevented from being washed away by water after water flow is gathered; the inner layer air bag 13 is mainly used for controlling the flow in the pipe after being expanded, the drainage pipe can be plugged in a full-section mode after being completely expanded, the state of the air bag 1 can be plugged without water regulation through pressure control according to the water flow condition in the using process, so that the control of the water flow is realized, the optimal flow control of the pipe can be realized during CCTV (China telecom computing) inspection, and a good working environment is provided for CCTV inspection. By maintaining low flow operation of the discharge conduit 9, the downstream pipe section 92 can be tested at a reasonable level. The non-water-transfer plugging air bag 1 is simple in structure, easy to operate, beneficial to large-area rapid detection of a drainage pipe network, free of construction of full-section water plugging and water transfer, capable of reducing construction period and influence on road traffic, low in construction cost and good in economic benefit and social value.
As shown in fig. 1, in the present embodiment, the air bag cylinder 11 is preferably a cylindrical cylinder structure, so that the external contour of the air bag cylinder 11 is matched with the drainage pipeline 9 to support the outer air bag 12, increase the contact area between the outer air bag 12 and the inner pipe wall of the drainage pipeline 9, and facilitate the air bag 1 to be tightly fitted and fixed in the drainage pipeline 9 without water adjustment.
As shown in fig. 2 and 3, in the present embodiment, it is preferable that the airbag cartridge 11 includes a small-diameter cartridge 111 and a large-diameter cartridge 112; wherein, one end of the large-diameter cylinder 112 is bent inwards to be connected with the small-diameter cylinder 111; the inner wall of the outer airbag 12 is fixedly arranged on the outer side walls of the small-diameter cylinder 111 and the large-diameter cylinder 112; the outer wall of the inner bag 13 is fixed to the inner walls of the small-diameter tube 111 and the large-diameter tube 112. Through the small diameter section of thick bamboo 111 and the big footpath section of thick bamboo 112 of being different bore with gasbag section of thick bamboo 11 design to effectively prolonged the length of the interior lateral wall of gasbag section of thick bamboo 11, thereby increased gasbag section of thick bamboo 11 and outer gasbag 12 and the area of contact of inlayer gasbag 13, in order to improve the fastening effect of not transferring water shutoff gasbag 1 and drainage pipe 9.
As shown in fig. 2 and 3, in the present embodiment, it is preferable that the diameter of the small-diameter cylinder 111 is equal to the radius of the large-diameter cylinder 112. So that the calibers of the small-diameter cylinder 111 and the large-diameter cylinder 112 reach proper degrees, the area of the inner side wall and the outer side wall of the air bag cylinder 11 is increased, and simultaneously, enough space is ensured for the inner air bag 13 to inflate and pressurize, so as to control the effective water flow of the air bag cylinder 11.
In the present embodiment, as shown in fig. 2 and 3, preferably, the inflation port of the inner inflation nozzle 16 passes through the small diameter cylinder 111 and the outer bladder 12 in sequence toward the inner wall of the drainage pipeline 9. Through setting up outer charging connector 15 and interior air cock 16 in the bending region that a footpath section of thick bamboo 111 and a footpath section of thick bamboo 112 formed, avoid outer charging connector 15 and interior air cock 16 to set up respectively at the both ends of outer gasbag 12 and inlayer gasbag 13 and cause the damage easily, effectively protected outer charging connector 15 and interior air cock 16, be favorable to external air compressor machine 2 and trachea 4 to aerify the pressurization.
In the present embodiment, the balloon barrel 11 can be made of, but is not limited to, stainless steel to avoid corrosion and scale formation.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, embodiment 2 provides an unregulated water drain pipe detecting device including: at least one non-regulated water plugging air bag 1, an air compressor 2 and a CCTV robot 3; wherein, the water-plugging-free air bag 1 is not regulated to be arranged in the upstream pipe section 91 of the drainage pipeline 9 so as to limit the water flow discharged into the downstream pipe section 92 by the upstream pipe section 91; when CCTV is specified in the standard, the water level in the pipeline is not higher than 5% of the diameter of the pipeline, namely, in the drainage pipeline detection, the water flow in the pipeline only needs to be not more than 5% of the section of the pipeline, and the requirement of rapid detection can be met. For the pipe section that discharge is not big, if adopt traditional shutoff gasbag device, then need treat the upstream and downstream of detecting the pipeline and carry out the shutoff and transfer water, increase and detect engineering time and unnecessary economic waste. In the embodiment, the flow control is carried out by adopting the non-water-adjusting plugging air bag 1. When the plugging device is used specifically, a plurality of plugging air bags 1 which are not adjusted in water can be matched for use according to the water flow of the drainage pipeline 9. When the upstream water flow is large, one or two sections of pipelines at the upstream are plugged, and the water flow of the pipeline to be detected is controlled within a 5% section, so that the operation safety of a drainage pipeline 9 at the downstream of the CCTV robot 3 is guaranteed. The method is suitable for the irregular water blocking air bag 1 for large-scale drainage pipe network detection, and has excellent social benefit and economic value for improving the detection efficiency and reducing the cost. The air compressor 2 is arranged on the ground 7 to inflate and pressurize the water-plugging-free air bag 1; the CCTV robot 3 is put into the downstream pipe section 92 of the drainage pipeline 9 to perform CCTV inspection. When the drainage pipeline 9 needs to be tested, the plugging air bag 1 without water regulation is placed into the upstream pipe section 91, and the CCTV robot 3 is placed into the downstream pipe section 92 of the drainage pipeline 9. A plurality of non-water-regulating plugging air bags 1 can be arranged according to the specific water flow of the drainage pipeline 9, and a plurality of sections of upstream pipe sections 91 can be arranged for placing the non-water-regulating plugging air bags 1. The air compressor 2 is used for inflating and pressurizing the irregular water plugging air bag 1, so that the outer layer air bag 12 of the irregular water plugging air bag 1 is tightly attached and fastened in the pipe wall of the upstream pipe section 91 of the drainage pipe 9, the size of the inner layer air bag 13 of the irregular water plugging air bag 1 is adjusted, the caliber of the water through hole 14 is adjusted, the water flow of the drainage pipe 9 flowing into the downstream pipe section 92 is adjusted, and the optimal flow control of the pipeline can be realized during CCTV inspection. By maintaining the low flow operation of the drainage pipeline 9, the detection work of the downstream pipe section 92 can be normally performed at a reasonable level without completely plugging the pipeline and adopting a water pump to pump water, transfer water, occupy road traffic and the like.
As shown in fig. 4, in the present embodiment, preferably, the air compressor 2 and the external inflation nozzle 15 and the internal inflation nozzle 16 of the no-water-adjustment plugging air bag 1 are both connected with the air pipe 4; the air pipe 4 is provided with a pressure gauge 5 and a valve switch 6. The inflation and pressurization amount of the corresponding outer layer air bag 12 and the inner layer air bag 13 is displayed in real time through the pressure gauge 5, so that the air compressor 2 can control the compressed air output to the outer layer air bag 12 and the inner layer air bag 13 conveniently. The outer layer air bag 12 and the inner layer air bag 13 are decompressed through the valve switch 6, the non-water-adjusting plugging air bag 1 can be taken out conveniently, the joint of the non-water-adjusting plugging air bag 1 with the outer inflating nozzle 15 and the inner inflating nozzle 16 does not need to be pulled out, and the difficulty in operation of taking out the non-water-adjusting plugging air bag 1 is reduced.
Example 3
As shown in fig. 1 to 4, on the basis of embodiment 2, embodiment 3 provides a method for using an unregulated water drain pipe detection device, including:
s1, opening the inspection well 8 of the drainage pipeline 9, detecting the water flow in the drainage pipeline 9 to preliminarily judge the water flow in the pipeline, and thus determining the number of the air bags 1 which are sealed by the drainage pipeline 9 needing to be detected without water adjustment;
step S2, the upstream pipe section 91 can be divided into a plurality of pipe sections, and when the water flow of the drainage pipeline 9 to be detected is not large, the water-adjusting-free plugging air bag 1 can be plugged only in the upstream pipe section 91 close to the downstream pipe section 92 in the drainage pipeline 9 to be detected; the water-regulating blocking air bag 1 is sequentially hung and placed inside an inspection well 8, the end part of a pipe section to be detected is placed, an air compressor 2 is adopted to firstly inflate and pressurize an outer air bag 12 of the water-regulating blocking air bag 1, so that the water-regulating blocking air bag 1 is firmly attached to the inner wall of a pipeline of a drainage pipeline 9;
step S3, inflating and pressurizing the inner layer air bag 13 of the water-plugging-free air bag 1, determining the inflation degree of the inner layer air bag 13 according to the water flow in the pipeline, and limiting the water flow discharged into the downstream pipe section 92 by the upstream pipe section 91; when the water flow is small, the inflation pressure of the inner layer air bag 13 can be reduced, and when the water flow is large, the air pressure is increased or the inner layer air bag is completely blocked according to the actual situation, so that the normal detection of the downstream pipe section 92 of the subsequent CCTV robot 3 is ensured;
step S4, putting the CCTV robot 3 into a downstream pipe section 92 for detection, and pulling out the CCTV robot 3 for recovery after the pipe section to be detected is detected, so that the CCTV detection is completed;
step S5, removing the plugging air bag 1 without water adjustment, wherein the removal is carried out by adopting a process from the downstream pipe section 92 to the upstream pipe section 91;
and S6, sequentially disassembling the water-tight plugging air bag 1 according to the sequence of the step S5, recovering the normal working state of the drainage pipeline 9, and detecting the completion of construction.
In this embodiment, specifically, step S5 includes:
s5.1, firstly, reducing the pressure of the inner airbag 13, keeping the pressure of the outer airbag 12 unchanged, and preventing the water flow from increasing to flush the non-water-adjusting plugging airbag 1;
and S5.2, after the water flow is stable, opening the valve switch 6 of the outer air bag 12, releasing the pressure of the outer air bag 12, and taking out the non-water-adjusting plugging air bag 1.
In the present embodiment, preferably, when there are a plurality of downstream pipe segments 92 to be inspected, after step S4 is completed, the CCTV robot 3 is continuously put into the next pipe segment for inspection. If the water flow of the pipe section is increased, a water-unregulated plugging air bag 1 can be added to the upstream pipe section 91 adjacent to the pipe section.
In summary, the non-water-regulating plugging air bag, the non-water-regulating water drainage pipeline detection device and the use method thereof divide the non-water-regulating plugging air bag into an outer air bag and an inner air bag which are of two independent structures, wherein the outer air bag is used for controlling the close fit degree with a drainage pipeline, and the inner air bag is used for controlling the flow in the pipeline, so that the optimal flow control of the pipeline can be realized during CCTV (China telecom computing) inspection, and a good working environment is provided for CCTV detection. By keeping the low-flow operation of the drainage pipeline, the detection work of the downstream pipeline section can be normally carried out at a reasonable level without completely plugging the pipeline and adopting the measures of pumping water and adjusting water by a water pump, thereby reducing or even avoiding the occupation of road traffic.
The invention provides an irregular water blocking method for drainage pipeline detection, which can realize the optimal flow control of a pipeline during CCTV (closed circuit television) inspection. In the use process, the staff only needs to control the internal pressure of the water-unregulated plugging air bag from the ground to realize the control of the flow of the pipeline. The equipment is simple and convenient, easy to operate, and the plugging work of the drainage pipeline can be completed only by adopting one air compressor during construction. The invention is beneficial to large-area rapid detection of a drainage pipe network, does not need construction of full-section water plugging and water diversion, reduces construction period and influence on road traffic, reduces construction cost, and has good economic benefit and social value.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.