CN212480516U

CN212480516U - Drainage air bag for pipeline maintenance and maintenance device

Info

Publication number: CN212480516U
Application number: CN202021062518.5U
Authority: CN
Inventors: 王月含; 王雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-02-05
Anticipated expiration: 2030-06-10

Abstract

The utility model provides a pipeline overhauls with drainage gasbag and overhauls device relates to pipeline maintenance technical field. The utility model provides a drainage gasbag for pipeline maintenance, is including can putting the utricule in the pipeline, is provided with drainage channel along the pipeline direction in the utricule, and the utricule is the ring body structure, and drainage channel is injectd by the inner ring surface of ring body structure and is formed. It can effectual shutoff pipeline to discharge the leakage liquid guide in the pipeline, prevent the leakage liquid backward flow, very big promotion maintenance efficiency. Furthermore the utility model discloses still provide an overhaul device, including a plurality of foretell drainage gasbag and interface channel, communicate through interface channel between the adjacent drainage channel. The maintenance device can effectively block the pipeline and guide and discharge leakage liquid in the pipeline to prevent the leakage liquid from flowing back, and meanwhile, a working space is manufactured, so that a pipeline point needing to be maintained is kept to be basically free of penetrating liquid in a working position, and the pipeline maintenance efficiency and the maintenance safety are further improved.

Description

Drainage air bag for pipeline maintenance and maintenance device

Technical Field

The utility model relates to a pipeline overhauls technical field particularly, relates to a pipeline overhauls with drainage gasbag and overhauls device.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations. The most prominent in the pipeline maintenance work is the large-scale accident handling work such as leakage breaking, first-aid repair, pipe section replacement and the like. If the leakage is caused by corrosion perforation, a clamp can be used for plugging a leakage hole on the pipeline, and then repair welding is carried out. If the pipe is severely damaged or deformed, the pipe must be cut and replaced with a new pipe section. If the valve or flange on the pipeline needs to be repaired or replaced, the valve on the upstream of the shut-off pipeline is normally opened when the valve or flange needs to be repaired or replaced. At present, the ageing problem of valve that many enterprises face, some normally open valves are because long-term in the open mode, and its production that takes place the development such as corrosion can not lead to the fact the influence to producing the pipeline, but when the pipeline need be overhauld, because reasons such as corrosion cause these normally open valves can't close completely, make and examine and repair the leakage liquid that appears in the pipeline. The leakage liquid can cause great influence on the welding operation of a pipeline or a valve, the maintenance efficiency is influenced, and safety hazards can be generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage gasbag is used in pipeline overhaul, it can effectual shutoff pipeline to discharge the leakage liquid guide in the pipeline, prevent the leakage liquid backward flow, very big promotion maintenance efficiency.

Another object of the utility model is to provide an overhaul device, it can effectual shutoff pipeline to with the leakage liquid guide discharge in the pipeline, prevent the leakage liquid backward flow, make a working space simultaneously, make the pipeline point that needs the maintenance keep basically not having the penetrant in the work position, further promotion pipeline maintenance efficiency and maintenance safety.

The embodiment of the utility model is realized like this:

in a first aspect, an embodiment of the present application provides a drainage airbag for pipeline maintenance, which is characterized in that the drainage airbag includes a bag body capable of being placed in a pipeline, a drainage channel is arranged in the bag body along a direction of the pipeline, the bag body is in an annular body structure, and the drainage channel is defined by an inner ring surface of the annular body structure.

In some embodiments of the present invention, the drainage channel is provided with a drainage hose extending out of the pipeline.

In some embodiments of the present invention, an air hose is disposed on the bag body, and one end of the air hose extends out of the pipe.

In some embodiments of the present invention, an end of the air hose extending out of the pipeline is connected to an inflator.

The utility model discloses an in some embodiments, above-mentioned annular structure's outer loop surface evenly is provided with a plurality of adsorption structure, and adsorption structure can adsorb on the inner wall of pipeline.

In some embodiments of the present invention, the suction structure comprises a suction cup and a protrusion disposed at the center of the suction cup, and the suction cup is embedded into the outer ring surface of the annular structure.

In some embodiments of the present invention, the above-mentioned bag body is a flexible structure, and the flexible structure is made of rubber material.

In a second aspect, embodiments of the present application provide an inspection and repair apparatus, which includes the drainage bladder and the connecting channel, wherein adjacent drainage channels are communicated with each other through the connecting channel.

In some embodiments of the present invention, the connecting channel is a tubular structure.

In some embodiments of the present invention, the outer surface of the tubular structure is provided with a waterproof lamp.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment provides a drainage gasbag for pipeline maintenance, including can putting the utricule in the pipeline, be provided with drainage channel along the pipeline direction in the utricule, the utricule is the ring body structure, and drainage channel is injectd by the inner ring surface of ring body structure and is formed. The utricule is put in the pipeline, can expand after aerifing, fills the pipeline rapidly, makes the pipeline block up completely to prevent that the seepage liquid in the pipeline from flowing to the position that needs the maintenance, influencing maintenance efficiency, still prevented the penetrant simultaneously and repaired the safety problem that work such as welding caused. The drainage channel that the inner ring of annular structure injectd the formation can discharge the penetrant, can effectual shutoff pipeline to with the leakage liquid guide discharge in the pipeline, prevent the leakage liquid backward flow, very big promotion maintenance efficiency.

The embodiment also provides an overhaul device which comprises a plurality of the drainage air bags and connecting channels. A plurality of drainage gasbags can make and form an maintenance operation space between the utricule in the pipeline, make things convenient for the staff to overhaul. The adjacent drainage channels are communicated through the connecting channel, the connecting channel is arranged between the drainage air bags, so that leakage liquid in the pipeline can flow out through the connecting channel, and the penetrating liquid is prevented from entering the maintenance operation space. This overhauls device can effectual shutoff pipeline to with the leakage liquid guide discharge in the pipeline, prevent the leakage liquid backward flow, make an maintenance operation space, the pipeline point that makes need overhaul keeps basically not having the penetrant in the work position, further promotion pipeline maintenance efficiency and maintenance safety.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a drainage airbag for pipeline maintenance in embodiment 1 of the present invention;

FIG. 2 is a schematic cross-sectional view of a drainage bladder for pipeline maintenance in embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a repair apparatus in embodiment 2 of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

fig. 5 is a schematic cross-sectional view of an adsorption structure in embodiment 1 of the present invention;

fig. 6 is a schematic cross-sectional view of a repair apparatus in embodiment 2 of the present invention;

fig. 7 is a schematic cross-sectional view of a repair apparatus in embodiment 2 of the present invention.

Icon: 1-drainage hose, 2-ventilation hose, 3-bag body, 4-connecting channel, 5-drainage channel, 6-adsorption structure, 7-flange, 8-pipeline, 9-sucker, 10-bump, 11-leak point and 12-opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.

Furthermore, the term "horizontal" and the like, if present, does not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a drainage airbag for repairing a pipeline 8 according to an embodiment of the present invention; fig. 2 is the embodiment of the utility model provides an in 8 pipeline overhauls with drainage gasbag's cross-sectional schematic diagrams. The embodiment takes the place of flange 7 on pipeline 8 needing to be overhauled or change as an example, and the embodiment provides this embodiment and provides a pipeline 8 overhauls and uses drainage gasbag, including can placing the utricule 3 in pipeline 8, be provided with drainage channel 5 along the pipeline 8 direction in the utricule 3, utricule 3 is the ring body structure, and drainage channel 5 is limited by the inner ring surface of ring body structure and forms. The utricule 3 is placed in pipeline 8, can inflate the back inflation, fills pipeline 8 rapidly, makes pipeline 8 block up completely to prevent that the seepage liquid in the pipeline 8 from flowing to the position that needs the maintenance, influencing maintenance efficiency, still prevented the penetrant simultaneously and examined and repaired the safety problem that the work caused such as welding. The inner ring of the annular structure limits the drainage channel 5 formed to discharge penetrating fluid, can effectively block the pipeline, and guides and discharges the leakage liquid in the pipeline, thereby preventing the backflow of the leakage liquid and greatly improving the maintenance efficiency. The drainage air bag is widely applicable to water leakage maintenance of various metal pipelines such as fire water, tap water, heating pipelines and the like. The advantages are that: when the electric welder carries out welding operation with water, the electric welder is very easy to get an electric shock, the danger of electric shock casualties exists, after the air bag is used, the electric shock accident can be avoided, and meanwhile, the safety of lives and properties is also ensured. When the leak point is maintained, the water pressure in the pipeline is firstly released to zero, then the water is discharged, the water discharge position is lower than the lowest position of the opening position, the water in the pipeline is not required to be completely discharged, and after the capsule body 3 is installed, the gas is flushed, so that the water required to be welded can be completely isolated. Therefore, the water discharge can be saved by more than 80%, a clean and safe working environment can be provided for workers, the waste of water resources is reduced, and the air bag becomes an energy-saving and environment-friendly product.

Referring to fig. 1, in some embodiments of the present invention, a drainage hose 1 is disposed at one end of the drainage channel 5, and the drainage hose 1 extends out of a pipe 8. The drainage hose 1 is used as a pipeline for draining leakage liquid, and the leakage liquid can be drained out of the flange 7 or the valve which needs to be overhauled, so that the leakage liquid is prevented from reaching the flange 7 or the valve and influencing the overhauling.

It should be noted that, in this embodiment, the drainage hose 1 may be inflated by gas, the drainage hose 1 is communicated with the bag body 3, and when the bag body 3 is inflated by gas, the drainage hose 1 is also inflated by gas, so as to facilitate the drainage hose 1 to discharge the leakage.

Referring to fig. 1, in the present embodiment, an air hose 2 is disposed on the bladder 3, and one end of the air hose 2 can extend out of the duct 8. The air hose 2 is used as an air inflation channel of the bag body 3, and can be used for filling air generated by an air supply mechanism such as an air pump into the bag body 3, so that the bag body 3 can be rapidly expanded to plug a pipeline.

Further, in this embodiment, one end of the air hose 2 extending out of the duct 8 is connected to an inflator pump, and the inflator pump can provide inflation gas for inflating the bag body 3.

Referring to fig. 1, in the present embodiment, a plurality of adsorption structures 6 are uniformly disposed on the outer ring surface of the annular structure, and the adsorption structures 6 can be adsorbed on the inner wall of the pipeline 8. Adsorption structure 6 can be when utricule 3 inflation, adsorb on 8 inner walls of pipeline through the expansive force, and further promotion utricule 3 provides better protection to 8's shutoff effects of pipeline, for the maintenance point of low reaches.

Referring to fig. 4 and 5, the suction structure 6 includes a suction cup 9 and a protrusion 10 disposed at the center of the suction cup 9, and the suction cup 9 is embedded in the outer circumferential surface of the ring structure. Through embedded design, when the utricule 3 inflates and expands, because the effect of inside atmospheric pressure, can compress tightly sucking disc 9 and hug closely 8 inner walls of pipeline, the gas in sucking disc 9 is extruded to the protruding 10 in sucking disc 9 center under the exogenic action, makes sucking disc 9 internal pressure and external pressure produce the pressure differential. The sucking disc 9 is tightly adsorbed on the pipeline 8 under the effect of external force, can further promote the shutoff leakproofness of utricule 3.

In some embodiments of the present embodiment, the bladder 3 is a flexible structure, and the flexible structure is made of a rubber material. The rubber material is a high-elasticity polymer material capable of being reversibly deformed, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed.

In this embodiment, the rubber material is butyl rubber, which has good air tightness, ozone resistance and aging resistance. Meanwhile, the material also has the characteristic of higher heat resistance, and can work at 130 ℃ for a long time. The rubber can resist strong acid and common organic solvent and has good chemical stability. Meanwhile, the vibration absorption and damping characteristics of the cable are good, and the electrical insulation property is also very good. Therefore, the material has wide application, and is mainly used for inner tubes, water tires, balloons, cable insulation layers, chemical equipment linings, shockproof products, heat-resistant conveyor belts and aging-resistant rubberized fabric products. The material completely meets the construction requirements of the embodiment and is completely suitable for the material standard of the capsule body 3 of the embodiment.

The utility model discloses an in some embodiments, the natural diameter after utricule 3 aerifys the inflation is greater than the pipeline 8 diameter, guarantees that utricule 3 can produce the extrusion with pipeline 8 after the inflation to block up pipeline 8.

When using, put people's flange 7 the place ahead with utricule 3, with vent hose 2 connection to the pump, utilize the pump to aerify, utricule 3 aerifys the inflation back and pipeline 8 on same water flat line, the seepage liquid is along drainage channel 5 and drainage hose 1 discharge tube 8 in proper order, can keep flange 7 department dry this moment, the maintainer opens and overhauls the operation to flange 7, the gas in the discharge utricule 3 after the operation is accomplished, retrieve utricule 3, accomplish maintenance work.

Example 2

Please refer to fig. 3 and fig. 6, fig. 3 is a schematic structural diagram of an embodiment of the maintenance device of the present invention, and fig. 6 is a schematic sectional diagram of an embodiment of the maintenance device of the present invention. In the embodiment, the leak 11 on the service pipeline 8 is taken as an example, and the service device comprises two drainage air bags and a connecting channel 4. A plurality of drainage gasbags can make the utricule 3 between form an maintenance operation space in pipeline 8, make things convenient for the staff to overhaul. The adjacent drainage channels 5 are communicated through the connecting channel 4, the connecting channel 4 is arranged between the drainage air bags, so that leakage liquid in the pipeline 8 can flow out through the connecting channel 4, and the penetration liquid is prevented from entering the maintenance operation space. This overhauls device can effectual shutoff pipeline to with the leakage liquid guide discharge in the pipeline, prevent the leakage liquid backward flow, make an maintenance operation space, the pipeline 8 that makes need overhaul keeps basically not having the penetrant in the work position, further promotion 8 maintenance efficiencies of pipeline and maintenance safety.

Referring to fig. 3 and 6, in some embodiments of the present invention, the connecting channel 4 is a tubular structure. The tubular structure can facilitate the leakage liquid to flow through the tubular structure, and the overhauling point of the pipeline 8 can not be influenced. The air hose 2 in each bladder 3 extends through an opening 12, described below, and is connected to an inflator pump for separately inflating the two air bags.

Further, the tubular structure comprises an inner layer and an outer layer, an inflation cavity is defined between the inner layer and the outer layer, and the inflation cavity is communicated with the bag body 3. The connecting channel 4 can be connected with the drainage channel 5 between the adjacent air bags, and can drain leakage liquid in the pipeline 8 out of the pipeline 8 to be overhauled to keep the overhauling station dry. It should be noted that, in this embodiment, the tubular structure may include an inner layer and an outer layer (see fig. 7), which define an inflation cavity (not shown) that may be in communication with the bladder 3. When one bag body 3 is inflated, air can enter the inflation cavity, and because the bag bodies 3 are connected through the inflation cavity, the other bag body 3 can be inflated. Meanwhile, the connecting channel 4 is kept in an expansion state, and the overhaul operation of workers in the overhaul space outside the connecting channel 4 is facilitated.

Further, the outer surface of the tubular structure in this embodiment is provided with a waterproof illuminating lamp (not shown in the figure). The waterproof illuminating lamp can be used for overhauling and illuminating the overhauling operation space, and the working points can be seen clearly by the workers. In this embodiment, what chose for use is a waterproof light with explosion-proof function, protection maintainer's that can be better safety.

When the device is used, firstly, a leakage point 11 needing to be overhauled on the pipeline 8 is found, an opening 12 is formed in the pipeline 8 above the leakage point 11, the overhauling device of the embodiment is directly placed into the pipeline 8 after the opening, the drainage hose 1 is placed at the downstream of the leakage point 11, and the ventilation hoses 2 on the two bag bodies 3 extend out of the opening 12 and are connected to the inflator pump. Then, the inflator pump is started to inflate the bag bodies 3, and after the two bag bodies 3 are inflated, the pipeline 8 can be plugged. At this time, the leakage liquid flows along the drain passage 5 from upstream of the leak point 11 to the connecting passage 4, and finally flows along the drain hose 1 to downstream of the leak point 11. At this time, the leak point 11 is kept dry, and the maintenance personnel can work in the working space outside the drainage channel 5, and after the work is finished, the gas in the bag body 3 is discharged, and the bag body 3 is recovered. And finally, sealing the opening 12 above the leakage point 11 to finish the maintenance operation.

Example 3

This embodiment uses the maintenance two continuous leak source 11 side by side as the example, and this embodiment structure is the same basically with embodiment 2 structure, and the only difference lies in, and the maintenance device of this embodiment chooses for use three utricule 3, forms two above-mentioned maintenance operation spaces between the three utricule 3, and two maintenance operation spaces correspond two continuous leak source 11 respectively, wherein can restrict through adjusting connecting channel 4 length and overhaul as the position and the size in space. In this embodiment, be provided with three breather hose 2, three breather hose 2 corresponds three utricule 3 of connection respectively, and three breather hose 2 all is connected to the pump, uses a plurality of breather hose 2 can be quick to inflate for utricule 3, avoids because of utricule 3 is too much, uses a breather hose 2 to inflate slow problem.

When the device is used, a first leakage point 11 which is arranged at the upstream and needs to be overhauled on the pipeline 8 and a second leakage point 11 arranged at the downstream are found, an opening 12 is arranged on the pipeline 8 above the two leakage points 11, the overhauling device of the embodiment is directly placed into the pipeline 8 after the opening, the drainage hose 1 is placed at the downstream of the second leakage point 11, and all the ventilation hoses 2 extend out of the openings 12 and are connected to the inflator pump. Then, the inflator pump is started to inflate the bag bodies 3, and after the three bag bodies 3 are inflated, the pipeline 8 can be plugged. At this time, the leakage liquid flows along the drainage channel 5 of the first bladder 3 from the upstream of the first leakage point 11 to the first connecting channel 4. And then to the second capsule 3. After passing through the drainage channel 5 of the second bladder 3, it flows to the drainage channel 5 of the third bladder 3 and finally flows downstream of the second leak point 11 along the drainage hose 1 connected to the third bladder 3. At this time, all the leak points 11 are kept dry, and the maintainer can operate in the operation space outside the drainage channel 5, and after the operation is completed, the gas in the bag body 3 is discharged, and the bag body 3 is recovered. And finally, sealing the opening 12 above the leakage point 11 to finish the maintenance operation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The drainage air bag for pipeline maintenance is characterized by comprising a bag body which can be placed in a pipeline, wherein a drainage channel is arranged in the bag body along the direction of the pipeline, the bag body is of an annular body structure, and the drainage channel is limited and formed by the surface of an inner ring of the annular body structure.

2. The drainage airbag for pipeline maintenance according to claim 1, wherein a drainage hose is provided at one end of the drainage channel, the drainage hose extending out of the pipeline.

3. The drainage airbag for pipeline maintenance according to claim 1, wherein an air hose is provided on the bag body, and one end of the air hose protrudes from the pipeline.

4. The drainage airbag for pipeline maintenance according to claim 3, wherein an inflator is connected to one end of the vent hose extending out of the pipeline.

5. The drainage airbag for pipeline maintenance according to claim 1, wherein a plurality of suction structures are uniformly arranged on the outer ring surface of the ring body structure, each suction structure comprises a suction cup and a protrusion arranged in the center of the suction cup, and the suction cups are embedded into the outer ring surface of the ring body structure.

6. The drainage airbag for pipeline maintenance according to claim 1, wherein the bladder body is a flexible structure, and the flexible structure is a rubber material.

7. A drainage bladder for pipeline maintenance according to any of claims 1 to 6, wherein the bladder has a natural diameter after inflation which is greater than the diameter of the pipeline.

8. An inspection and repair apparatus comprising a plurality of the drainage bladders of any one of claims 1 to 5 and a connecting passage through which adjacent ones of the drainage passages communicate.

9. The service apparatus of claim 8, wherein the connecting channel is a tubular structure.

10. The service apparatus of claim 9, wherein the tubular structure outer surface is provided with a waterproof lighting lamp.