Pipeline drainage device of umbrella-shaped structure bag and using method

Abstract

The invention discloses a pipeline drainage device with an umbrella-shaped structure bag and a use method, and the device comprises a first flow guide tube, an opening and closing device nested with the first flow guide tube, an air guide box fixed at the outer side of the first flow guide tube, and a drainage air bag umbrella anchored at the end parts of the first flow guide tube and the opening and closing device, the first flow guide tube is arranged at the middle end part of the drainage airbag umbrella and can be connected with the long flow guide tube through a screw thread; the drainage airbag umbrella comprises ribs, one end of each rib is fixedly connected with a rubber drainage airbag umbrella cover, the edge of the umbrella cover is bonded with an airbag through heat vulcanization, and the airbag is connected with an air pump through an air duct; the other end of the movable hinge is anchored at the end part of the first flow guide pipe; a supporting rod is connected to the middle of the opening and closing device through a connecting pin and connected to a supporting pin at the end of the opening and closing device. The opening and closing device is pulled to drive the supporting rod and the umbrella ribs to jointly act to open the umbrella cover of the drainage air bag, the air pump inflates the air bag to be tightly attached to the inner wall of the pipeline to efficiently seal the pipeline, and meanwhile a medium enters the first flow guide pipe to achieve synchronous drainage. The device is simple in structure, convenient to use and good in pipeline drainage sealing effect.

Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline engineering, and more specifically, relates to a pipeline drainage device with an umbrella-shaped structure bag and a construction method. Background Art

[0002] With the acceleration of urbanization and the continuous expansion of cities, urban stormwater and sewage pipelines, as a critical component of urban infrastructure, bear the crucial responsibility of collecting, transporting, and purifying domestic sewage, industrial wastewater, and rainwater. However, the current urban stormwater and sewage pipeline network faces numerous serious challenges. Many of the older drainage pipelines, due to their age and outdated materials, are prone to aging, corrosion, and damage. Some pipelines are over 30 or 40 years old, with thinning walls, numerous cracks, and even partial collapses. This not only seriously impacts the stability and durability of the pipeline network, but also frequently causes leakage or blockages, leading to poor drainage and an increased risk of urban flooding. In some areas, sewage leakage can even contaminate groundwater. Across the country, the renovation of urban stormwater and sewage pipelines is on the agenda. In such large-scale pipeline renovation projects, pipeline drainage is a critical step in the construction process, and the quality of the technology directly impacts the project's progress, quality, and the surrounding environment.

[0003] In the prior art, such as the patent document with application number CN202410373187.3, the invention discloses an online drainage repair device for drainage pipes, including an air supply device, a drainage air bag and a drainage tube, wherein the air supply device is connected to an air supply tube, the other end of the air supply tube is connected to a drainage air bag, the drainage air bag has a drainage tube, the drainage air bag is annular, the drainage tube runs through the middle through hole of the drainage air bag, the rear of the drainage air bag is connected to a spring air pipe, the other end of the spring air pipe has an anti-toxic oxygen mask, and the drainage tube is also supported by a support rod at the rear of the drainage air bag; the support rod includes a support base, a telescopic rod and a drainage tube bracket, and the support base, telescopic rod and drainage tube bracket are fixedly connected. The present invention has sewage drainage, oxygen supply and anti-toxic functions when repairing drainage pipes online, and can be conveniently carried out online repair in waterways and protect personal safety. However, the invented device has a low degree of integration and is cumbersome to install. In addition, when faced with complex pipe network conditions, it has problems such as poor sealing effect and difficulty in adapting to different pipe diameters. It can no longer meet the needs of current urban rainwater and sewage drainage pipeline renewal and renovation projects. Summary of the Invention

[0004] In response to the above defects or improvement needs of the prior art, the present invention provides a pipeline drainage device and a method of use of an umbrella-shaped structure bag. By integrating a guide tube, an opener, an air guide box and a drainage airbag umbrella into one, it is easy to install in the pipeline. The opener controls the opening of the drainage airbag umbrella, and the air guide box inflates the drainage airbag umbrella to seal the pipeline gap. The middle guide tube conducts drainage synchronously, realizing simultaneous sealing and drainage operations, thereby improving construction convenience and efficiency.

[0005] To achieve the above objectives, according to one aspect of the present invention, a pipeline drainage device for an umbrella-shaped bag is provided, comprising a first guide tube, an opener and closeer nested with the first guide tube, an air guide box fixed to the outside of the first guide tube, and a drainage airbag umbrella anchored to the first guide tube and the end of the opener and closeer, wherein the air guide box is connected to the drainage airbag umbrella to provide inflation power, and the first guide tube is arranged in the middle of the drainage airbag umbrella for draining the medium, wherein:

[0006] The opener and closeer includes a buckle and a buckle switch provided at one end thereof;

[0007] The first flow guide tube includes a protruding pin arranged on the outer side of the tube wall and engaging with the snap switch;

[0008] The drainage airbag umbrella includes a plurality of supporting ribs arranged on the back water surface, one end of each rib is fixedly connected to the rubber drainage airbag umbrella surface, and the edge of the rubber drainage airbag umbrella surface is bonded to the airbag by hot vulcanization; the other end of each rib is anchored to the end circumference of the first guide tube; the middle part of each rib is connected to a support rod via a connecting pin, and the support rod is supported and connected to the end circumference of the opener; by pressing the buckle switch and pulling the opener mechanically, the support rod and the ribs work together to open the rubber drainage airbag umbrella surface, and the airbag is inflated by the air guide box to tightly fit the inner wall of the pipe, effectively sealing the pipe, and at the same time, the drainage medium enters the first guide tube in the middle to achieve synchronous drainage.

[0009] Furthermore, one end of the first guide tube is provided with a plurality of movable hinges along the circumferential direction for connecting to the umbrella ribs, and the other end is provided with a connecting thread for extending the tube.

[0010] Furthermore, an anti-slip hook is provided at the end of the umbrella rib connected to the movable hinge.

[0011] Furthermore, a plurality of support pins for connecting to the support rods of the drainage airbag umbrella are provided along the circumference of the end portion of the opener and closeer.

[0012] Furthermore, an opening and closing handle is exposed on the side wall of the opener for assisting in opening and closing the device.

[0013] Furthermore, an air inlet is provided at one end of the air guide box and is connected to an air pump through an air guide tube, and a plurality of air outlets are distributed at the other end and are connected to the air bag of the drainage air bag umbrella through the air guide tube.

[0014] Furthermore, the air holes at both ends of the air guide box adopt quick connectors and pressure-bearing air nozzles.

[0015] Furthermore, a rubber sheet is vulcanized and bonded to the back surface of the airbag where it meets the rubber drainage airbag umbrella surface to enhance the tightness of the sealing.

[0016] Furthermore, it also includes a second guide pipe, both ends of which are provided with connecting threads, and the pipe can be extended according to needs to adapt to the drainage distance of different working conditions.

[0017] According to another aspect of the present invention, a method for using a pipeline drainage device of an umbrella-shaped bag is provided. The method is implemented using the pipeline drainage device of an umbrella-shaped bag as described above, and includes the following steps:

[0018] S100: Make preparations before construction: Check the danger sources in the operation area, confirm that the airbag is intact, without aging or leaks, and check whether there are any abnormalities in the device connectors. After confirming that everything is normal, open the parachute belt, insert the drainage airbag umbrella end into the pipe opening, measure the distance to determine the number of sections of the second guide pipe, and connect and fix the first and second guide pipes;

[0019] S200: Open the drainage device in the pipe: Press the buckle switch, hold the opening and closing handle tightly, pull the opener backward, and completely open the rubber drainage airbag umbrella. After the anti-slip hooks at the ends of the umbrella ribs firmly press against the inner wall of the pipe, release the buckle switch, and the protruding pin and the buckle engage and lock.

[0020] S300: Staged inflation and drainage: After turning on the air pump and slowly inflating at low pressure, observe the uniformity of the airbag inflation and check whether there is any leakage in the pipeline. Then inflate in stages until the airbag fits tightly against the inner wall of the pipeline and does not exceed the rated working pressure. After completion, drainage work begins;

[0021] S400: Retract and remove the drainage device in the pipeline: After the drainage work is completed, gradually reduce the pressure in the airbag by connecting the pressure relief valve through the air guide box until the airbag is completely deflated; remove the second guide tube; hold the opening and closing handle tightly, press the buckle switch, push the opener and closer, and after the rubber drainage airbag umbrella is folded, remove the device from the pipeline, fix the rubber drainage airbag umbrella with the umbrella belt, remove the air guide tube, and transfer the device.

[0022] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0023] 1. The pipeline drainage device of the umbrella-shaped structure bag of the present invention adopts a drainage airbag umbrella sealing structure. The rubber waterproof umbrella cover is supported by the umbrella frame. The edge is elastically expanded by the airbag to fill the pipeline gap to form an efficient seal, which solves the problem that the traditional drainage device relies on a single airbag or rigid sealing and the sealing edge is prone to leakage. The guide tube is arranged in the middle of the airbag waterproof umbrella to realize the simultaneous sealing and drainage operations of the pipeline, and integrates the "pipeline isolation-drainage installation" process that needs to be implemented step by step in the traditional process into an integrated operation, which significantly reduces the operation difficulty and shortens the construction time.

[0024] 2. The pipeline drainage device of the umbrella-shaped structure bag of the present invention can adapt to pipeline drainage of different distances through the threaded guide tube, which can be freely extended according to the pipeline length through the threaded structure. The radial expansion characteristics of the umbrella structure of the drainage airbag umbrella can adapt to the sealing of various pipe diameters, which solves the problem that traditional devices need to be customized to adapt to different pipe diameters and have complicated component reserves. It enables one set of devices to cover various urban drainage pipe specifications, reduces the equipment selection time and component reserve costs before construction, and significantly improves the rapid response capability of the construction site.

[0025] 3. The pipeline drainage device of an umbrella-shaped structure bag of the present invention is provided with an opener and a standardized interface of a quick connector. The opener is linked with a snap mechanism (the snap 22 is nested and locked with the protruding pin 11). By holding the opening and closing handle 21 and pulling the opener 2, the umbrella surface can be expanded and contracted in a short time. The air guide tube is inserted through the quick connector and is locked after a "click". No tools are required, which solves the time-consuming installation and disassembly problem of traditional devices and improves construction convenience and efficiency.

[0026] 4. The pipeline drainage device of an umbrella-shaped structure bag of the present invention adopts airbag sealing, diversion tube drainage, and mechanical linkage anchoring of umbrella ribs and support poles to realize the integrated design of "sealing-drainage-anchoring", reducing the occupied construction space, and is particularly suitable for operations in narrow spaces of urban underground pipelines. The device forms a dual stable structure of "elastic sealing + multi-point anchoring" in the pipeline, and its ability to resist water flow impact is significantly improved, which solves the problem of drainage failure caused by easy displacement of traditional devices and ensures construction safety under complex working conditions.

[0027] 5. The pipeline drainage device of the umbrella-shaped structure bag of the present invention uses a PE pipe guide tube and a hard plastic opener, and uses its corrosion resistance and high rigidity to reduce the rust loss and replacement frequency of traditional metal parts. The airbag and the rubber umbrella surface adopt a hot vulcanization bonding process to avoid adhesive pollution, which meets the requirements of green construction.

[0028] 6. The pipeline drainage device of the umbrella-shaped structure bag of the present invention adopts a staged inflation control process when inflating the airbag. The dual safety design of the anti-slip hook and the airbag pressure monitoring reduces the risk of the device slipping under high pressure or extremely fast water flow during the peak drainage period. During pressure relief, the gradual pressure reduction design of the pressure relief valve avoids damage to the airbag, and the safety of the construction process is significantly improved.

[0029] 7. The pipeline drainage device of the umbrella-shaped bag of the present invention is combined with the umbrella-folding belt and the lightweight structure. After being folded, the volume is reduced. One person can complete the transportation and operation, which is convenient for transportation and reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic structural diagram of a pipeline drainage device with an umbrella-shaped bag according to an embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of the drainage airbag umbrella structure of a pipeline drainage device of an umbrella-shaped bag according to an embodiment of the present invention;

[0032] Figure 3 This is a schematic diagram of a closed drainage state of a tube drainage device of an umbrella-shaped bag according to an embodiment of the present invention;

[0033] Figure 4 This is a flow chart of a method for using a pipeline drainage device with an umbrella-shaped structure bag according to an embodiment of the present invention.

[0034] In all the drawings, the same reference numerals represent the same technical features, specifically: 1- guide tube; 11- protruding pin; 12- connecting thread; 13- movable hinge; 2- opener and closer; 21- opening and closing handle; 22- buckle; 23- buckle switch; 24- spring; 25- support pin; 3- air guide box; 31- quick connector; 32- air guide tube; 33- air pump; 4- drainage airbag umbrella; 41- support pole; 42- connecting pin; 43- umbrella rib; 44- rubber drainage airbag umbrella cover; 45- airbag; 46- rubber sheet; 47- anti-slip hook; 48- umbrella folding strap. DETAILED DESCRIPTION

[0035] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0036] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, inside, outside, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0037] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] In the present invention, the terms "comprises," "comprising," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0039] Example 1

[0040] like Figure 1-3 As shown, the embodiment of the present invention provides a pipeline drainage device for an umbrella-shaped bag, comprising a first drainage pipe 1, an opener 2, an air guide box 3, a drainage airbag umbrella 4 and a second drainage pipe 5.

[0041] The first guide tube 1 is nested and connected with the opener 2. One end of the drainage airbag umbrella 4 is supported on the first guide tube 1 and the end of the opener 2. The drainage airbag umbrella 4 is controlled to be expanded or retracted by pulling the opener 2. The air guide box 3 is fixed to the outside of the first guide tube 1 and is connected to the drainage airbag umbrella 4. It provides inflation power for the drainage airbag umbrella 4, so that the airbag waterproof umbrella 4 expands and fits tightly against the inner wall of the pipeline after inflation to form an efficient seal. At the same time, the first guide tube 1 is arranged in the middle of the airbag waterproof umbrella 4, and the end is extended by the second guide tube 5 to realize drainage of the medium. The overall structure of the device is compact, the connection between the components is simple, and it is convenient for rapid on-site assembly and construction. At the same time, the expansion degree of the airbag waterproof umbrella after inflation can be adaptively adjusted with the change of pipe diameter, ensuring good sealing and drainage in pipes of different pipe diameters, and strong pipe diameter adaptability. The pipeline drainage device of the umbrella-shaped bag of the present invention adopts a drainage airbag umbrella sealing structure. The rubber waterproof umbrella cover is supported by the umbrella frame. The edge is elastically expanded by the airbag to fill the pipeline gap to form an efficient seal. This solves the problem that traditional drainage devices rely on a single airbag or rigid sealing and the sealing edge is prone to leakage. The diversion tube is set in the middle of the airbag waterproof umbrella to achieve simultaneous pipeline sealing and drainage operations. The "pipeline isolation-drainage installation" process that needs to be implemented step by step in the traditional process is integrated into an integrated operation, which significantly reduces the difficulty of operation and shortens the construction time. Among them,

[0042] The first guide tube 1 includes a protruding pin 11, a connecting thread 12 and a movable hinge 13. The connecting thread 12 is provided at one end of the first guide tube 1 for extending the tube, and a plurality of movable hinges 13 are provided along the circumference of the other end for connecting to the drainage airbag umbrella 4. The protruding pin 11 is also provided on the outer side of the tube wall at the position where it contacts and connects with the opener 2 for clamping the opener 2.

[0043] Both ends of the second drainage pipe 5 are provided with the connecting threads 12, which can be straight pipes, curved pipes, etc. According to the actual pipeline length requirements, the connecting threads 12 provided at both ends of the first drainage pipe 1 and the second drainage pipe 5 are used to extend multiple drainage pipes to a suitable length to meet the pipeline drainage operations in different scenarios. The pipeline drainage device of the umbrella-shaped structure bag of the present invention can freely extend the threaded drainage pipe according to the pipeline length through the threaded structure to adapt to pipeline drainage of different distances, solving the problem that traditional devices need to be customized to adapt to different pipe diameters and have complicated component reserves, and realizes that a set of devices covers a variety of urban drainage pipe specifications, reduces the equipment selection time and component reserve costs before construction, and significantly improves the rapid response capability of the engineering site.

[0044] The first flow guiding pipe 1 and the second flow guiding pipe 5 are made of PE pipe, which has certain strength, toughness and physical and chemical stability, and provides sufficient guarantee for the durability of the device.

[0045] The opener 2 is made of hard plastic with high hardness and rigidity and a certain degree of chemical stability. It includes an opening and closing handle 21, a buckle 22, a buckle switch 23, a spring 24, and a support pin 25. The buckle 22 and the buckle switch 23 are provided at one end of the opener 2. The spring 24 is installed at the buckle switch 23 to control the opening and closing of the buckle switch 23. Under the action of the buckle switch 23, the buckle 22 can be nested with the protruding pin 11 of the first guide tube 1, so that the first guide tube 1 and the opener 2 form a stable closed structure. The opening and closing handle 21 is exposed on the side wall of the opener 2 to assist in the opening and closing operation of the device; a plurality of support pins 25 are provided at the other end of the opener 2 for connecting to the drainage airbag umbrella 4.

[0046] The air guide box 3 is made of engineering plastic and is fixedly mounted on the outside of the first air guide tube 1. The two form a whole. It includes a quick connector 31, an air guide tube 32, and an air pump 33. One end of the air guide box 3 is provided with an air inlet connected to the air pump 33 through the air guide tube 32. The other end is provided with a plurality of air outlets connected to the drainage airbag parachute 4 through the air guide tube 32. The air holes at both ends use the quick connector 31 and pressure-bearing air nozzle to facilitate and quickly insert the air guide tube 32 into the air holes. The air guide box 3 is also equipped with a pressure gauge for real-time monitoring of the inflation pressure within the airbag 45 to ensure the sealing effect. The pipeline drainage device of an umbrella-shaped structure bag of the present invention is provided with an opener and a standardized interface of a quick connector. The opener is linked with a snap mechanism (the snap 22 is nested and locked with the protruding pin 11). By holding the opening and closing handle 21 and pulling the opener 2, the umbrella surface can be expanded and contracted in a short time. The air guide tube is inserted through the quick connector and is locked after a "click". No tools are required, which solves the time-consuming installation and disassembly problem of traditional devices and improves construction convenience and efficiency.

[0047] The drainage airbag umbrella 4 has a reserved through hole in the middle, and the drainage medium enters the first guide tube 1 through the through hole to drain the medium. It includes a support rod 41, a connecting pin 42, an umbrella rib 43, a rubber drainage airbag umbrella surface 44, an airbag 45, a rubber sheet 46, an anti-slip hook 47 and an umbrella belt 48. The back surface of the drainage airbag umbrella 4 is provided with a plurality of the umbrella ribs 43 for supporting. One end of the umbrella rib 43 is connected to the movable hinge 13 of the first guide tube 1, and an anti-slip hook 47 is provided at the end of the umbrella rib 43 to ensure that the device has a sufficient strength connection with the inner wall of the pipe during operation to avoid slippage and the like during operation; the umbrella ribs The other end of 43 is fixedly connected to the edge of the rubber drainage airbag umbrella 44. The edge of the rubber drainage airbag umbrella 44 is bonded to the airbag 45 by hot vulcanization, and the back surface of the airbag 45 connected to the rubber drainage airbag umbrella 44 is vulcanized and bonded with a rubber sheet 46 to enhance the tightness of the seal; the middle part of the umbrella rib 43 is connected to one end of the strut 41 through the connecting pin 42, and the other end of the strut 41 is connected to the support pin 25 at the end of the opener 2. Under the action of the opener 2, the strut 41 and the umbrella rib 43 are driven to work together to control the opening and closing of the rubber drainage airbag umbrella 44. The pipeline drainage device of the umbrella-shaped structure bag of the present invention adopts air bag sealing, guide tube drainage, and mechanical linkage anchoring of umbrella ribs and support poles to realize the integrated design of "sealing-drainage-anchoring", reducing the occupied construction space, and is particularly suitable for operations in narrow spaces of urban underground pipelines. The device forms a dual stable structure of "elastic sealing + multi-point anchoring" in the pipeline, and its ability to resist water flow impact is significantly improved, which solves the problem of drainage failure caused by easy displacement of traditional devices and ensures construction safety under complex working conditions.

[0048] Furthermore, the present invention also includes a folding strap 48 for fixing the rubber drainage airbag canopy 44 when the device is folded.

[0049] During use of the pipeline drainage device of the umbrella-shaped bag of the present invention, one end of the first guide tube 1 with the protruding pin 11 is connected to the opener 2. Under the action of the protruding pin switch 23 controlled by the spring 24, the buckle 22 on the opener 2 is nested with the protruding pin 11 of the first guide tube 1, so that the first guide tube 1 and the opener 2 form a stable closed structure. At the same time, the opening and closing handle 21 exposed on the side wall of the opener 2 can be used to assist in the subsequent opening and closing operation of the device. Then, the air holes at both ends of the air guide box 3 are connected to the air guide tube 32. Due to the use of quick connectors 31 and pressure-bearing air nozzles, the air guide tube 32 is inserted into the air holes with a "click" sound, indicating that the connection is completed. The air pump 33 is also connected simultaneously. Finally, one end of the rib 43 of the drainage airbag umbrella 4 is connected to the first guide tube 1 via the movable hinge 13. The middle part of the rib 43 is connected to one end of the support rod 41 via the connecting pin 42. The other end of the support rod 41 is connected to the support pin 25 of the opener 2, completing the installation of the entire device.

[0050] The device is placed in the pipeline to be drained. According to the distance between the upstream and downstream pipelines, the connecting threads 12 set at both ends of the first guide tube 1 and the second guide tube 5 are used to extend multiple guide tubes to an appropriate length to meet the pipeline drainage operations in different scenarios; then the opening and closing handle 21 is held and pushed to push the opener 2, and the support pin 25 drives the support rod 41 and the umbrella rib 43 to move together, so that the rubber drainage airbag umbrella 44 is quickly unfolded, and the convex pin 11 of the guide tube 1 and the buckle 22 of the opener 2 are nested and locked to complete the fixation of the two. Then the air pump 33 is started, and the gas enters the airbag 45 through the air guide tube 32 of the air guide box 3. The airbag 45 is inflated and tightly fits the inner wall of the pipeline to form an efficient seal to prevent leakage of the drainage medium. At this time, the drainage medium enters the first guide tube 1 from the middle through hole of the rubber drainage airbag umbrella 44, and is then discharged through the multiple sections of the second guide tube to achieve the drainage operation. When the drainage operation is completed, the air pump 33 is turned off, the air bag 45 slowly releases pressure and deflates, and then the opening and closing handle 21 is pulled to pull the opening and closing device 2, driving the drainage air bag umbrella 4 to fold, and the device can be taken out of the pipeline.

[0051] like Figure 4 As shown, an embodiment of the present invention provides a method for using a pipeline drainage device of an umbrella-shaped structure bag, which is implemented using the pipeline drainage device of the umbrella-shaped structure bag described above, including the following specific steps:

[0052] S100: Make preparations before construction, check various sources of danger in the working area, check whether each air guide tube 32 is firmly connected to the pressure-bearing air nozzle through the quick connector 31, check the integrity of the air bag 45, confirm that there is no damage or leakage, and there are no scratches or signs of aging on the surface. At the same time, check whether the connectors of the device are abnormal. After confirming that there are no abnormalities, open the umbrella belt 48, extend the end of the rubber drainage air bag umbrella 44 of the device into the upstream and downstream pipeline openings, determine the required number of sections of the second guide tube 5 by measuring the distance between the upstream and downstream pipeline openings, and connect and fix the first guide tube 1 and the second guide tube 5.

[0053] S200: Open the drainage device in the pipeline: open the device in the downstream and upstream pipelines in turn, press the buckle switch 23, hold the opening and closing handle 21, pull the opener 2 backward, observe that the rubber drainage airbag umbrella 44 is completely opened, and the anti-slip hook 47 at the end of the umbrella rib 43 is firmly against the inner wall of the pipeline, release the buckle switch 23, and the protruding pin 11 is locked with the buckle 22.

[0054] S300: Inflation and drainage: Turn on the air pump 33 and slowly inflate at a low pressure (10% to 20% of the rated pressure). After the initial inflation, pause the inflation and observe whether the airbag 45 is evenly expanded and whether there are signs of leakage at both ends of the pipe. Inflate in stages (boost the pressure by 20% of the rated pressure each time), pause for 1 to 2 minutes after each boost, observe whether the pressure gauge of the air pump 33 is stable, smear the interface with soapy water, and check whether there are bubbles (bubbles are leaking points). Finally, inflate until the airbag 45 fits tightly against the inner wall of the pipe, ensure that the pressure is stable and does not exceed the safety upper limit, and avoid overfilling and causing the elliptical airbag 45 to rupture. After the inflation is completed, keep monitoring the pressure for more than 10 minutes. After the inflation is stable, start drainage.

[0055] S400: Retract and remove the drainage device in the pipeline: After the drainage work is completed, slowly release the pressure in the airbag 45, and gradually reduce the pressure through the pressure relief valve connected to the air guide box 3 to avoid rapid deflation causing violent contraction and damage of the airbag 45. Until the airbag 45 is completely deflated, the drainage is ended, the second drainage tube 2 is removed, the opening and closing handle 21 is held tightly, the buckle switch 23 is pressed, and the opener 2 is pushed. After the rubber drainage airbag umbrella 44 is folded, the device is removed from the pipeline, the rubber drainage airbag umbrella 44 is fixed with the umbrella belt 48, and the air guide tube 32 is removed to transfer the device.

[0056] The pipeline drainage device of the umbrella-shaped structure bag of the present invention adopts a staged inflation control process when inflating the airbag. The dual safety design of the anti-slip hook and the airbag pressure monitoring is used to reduce the risk of the device slipping under high pressure or extremely fast water flow during the drainage peak period. During pressure relief, the gradual pressure reduction design of the pressure relief valve is used to avoid damage to the airbag, and the safety of the construction process is significantly improved.

[0057] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pipe drainage device with an umbrella-shaped bag structure, characterized in that: The invention comprises a first flow guide tube (1), an opener (2) nested and connected to the first flow guide tube (1), an air guide box (3) fixed to the outside of the first flow guide tube (1), and a drainage airbag umbrella (4) anchored to the ends of the first flow guide tube (1) and the opener (2), wherein the air guide box (3) is connected to the drainage airbag umbrella (4) to provide inflation power, and the first flow guide tube (1) is arranged in the middle of the drainage airbag umbrella (4) for draining the medium, wherein: The opener (2) includes a buckle (22) and a buckle switch (23) provided at one end thereof; the first flow guide tube (1) includes a protruding pin (11) provided on the outer side of the tube wall and matched with the buckle switch (23). The drainage airbag umbrella (4) comprises a plurality of ribs (43) arranged on the back surface for supporting purposes, one end of the rib (43) is fixedly connected to the rubber drainage airbag umbrella (44), and the edge of the rubber drainage airbag umbrella (44) is bonded to the airbag (45) by hot vulcanization; the other end of the rib (43) is anchored to the circumference of the end of the first guide tube (1); the middle part of the rib (43) is connected to the support rod (41) through a connecting pin (42), and the support rod ( 41) is supported and connected to the end circumference of the opener (2); by pressing the snap switch (23) to pull the opener (2), the support rod (41) and the umbrella rib (43) are mechanically driven to work together to open the rubber drainage airbag umbrella (44); the airbag (45) is inflated through the air guide box (3) to fit tightly against the inner wall of the pipeline, effectively sealing the pipeline, and at the same time, the drainage medium enters the first guide pipe (1) in the middle to achieve synchronous drainage.

2. The tube drainage device of an umbrella-shaped bag according to claim 1, characterized in that: One end of the first guide tube (1) is provided with a plurality of movable hinges (13) along the circumferential direction for connecting to the umbrella ribs (43), and the other end is provided with a connecting thread (12) for extending the tube.

3. The tube drainage device of the umbrella-shaped bag according to claim 3, characterized in that: An anti-slip hook (47) is provided at the end of the umbrella rib (43) connected to the movable hinge (13).

4. The tube drainage device of an umbrella-shaped bag according to any one of claims 1 to 3, characterized in that: The end of the opener (2) is provided with a plurality of support pins (25) along the circumference for connecting to the support rods (41) of the drainage airbag umbrella (4).

5. The tube drainage device of the umbrella-shaped bag according to claim 4, characterized in that: An opening and closing handle (21) is exposed on the side wall of the opener (2) and is used to assist in opening and closing the device.

6. The tube drainage device of an umbrella-shaped bag according to any one of claims 1 to 3, characterized in that: An air inlet is provided at one end of the air guide box (3) and is connected to an air pump (33) via an air guide tube (32), and a plurality of air outlets are distributed at the other end and are connected to the air bag (45) of the drainage air bag umbrella (4) via the air guide tube (32).

7. The tube drainage device of the umbrella-shaped bag according to claim 6, characterized in that: The air holes at both ends of the air guide box (3) are connected by quick connectors (31) and pressure-bearing air nozzles.

8. The tube drainage device of an umbrella-shaped bag according to any one of claims 1 to 3, characterized in that: The back surface of the air bag (45) connected to the rubber drainage air bag umbrella (44) is vulcanized and bonded with a rubber sheet (46) to enhance the sealing density.

9. The tube drainage device of an umbrella-shaped bag according to any one of claims 1 to 3, characterized in that: It also includes a second flow guide pipe (5), both ends of which are provided with connecting threads, and the pipe can be extended according to needs to adapt to the drainage distance of different working conditions.

10. A method for using a tube drainage device of an umbrella-shaped bag, which is implemented using the tube drainage device of an umbrella-shaped bag according to any one of claims 1 to 9, characterized in that: The steps include: S100: Make preparations before construction: Check the danger sources in the operation area, confirm that the airbag is intact, without aging or leakage points, and check whether there are any abnormalities in the device connectors; after confirming that it is normal, open the parachute belt, extend the drainage airbag umbrella end into the pipe opening, measure the distance to determine the number of sections of the second guide pipe, and connect and fix the first and second guide pipes; S200: Open the drainage device in the pipe: Press the buckle switch, hold the opening and closing handle tightly, pull the opener backward, and completely open the rubber drainage airbag umbrella. After the anti-slip hooks at the ends of the umbrella ribs firmly press against the inner wall of the pipe, release the buckle switch, and the protruding pin and the buckle engage and lock. S300: Staged inflation and drainage: After turning on the air pump and slowly inflating at low pressure, observe the uniformity of the airbag inflation and check whether there is any leakage in the pipeline. Then inflate in stages until the airbag fits tightly against the inner wall of the pipeline without exceeding the rated working pressure, and the drainage work is completed at the same time; S400: Retract and remove the drainage device in the pipeline: After the drainage work is completed, gradually reduce the pressure in the airbag by connecting the pressure relief valve through the air guide box until the airbag is completely deflated; remove the second guide tube; hold the opening and closing handle tightly, press the buckle switch, push the opener and closer, and after the rubber drainage airbag umbrella is folded, remove the device from the pipeline, fix the rubber drainage airbag umbrella with the umbrella belt, remove the air guide tube, and transfer the device.

Images