CN211203290U

CN211203290U - Downhole structure of pipeline repairing air bag

Info

Publication number: CN211203290U
Application number: CN201921635330.2U
Authority: CN
Inventors: 马爱军
Original assignee: Shanghai Lisheng Construction Engineering Co ltd
Current assignee: Shanghai Lisheng Construction Engineering Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-08-07
Anticipated expiration: 2029-09-28

Abstract

The utility model relates to a structure of going into well of pipeline restoration gasbag belongs to pipeline repair equipment field, has solved the stay cord and can have the swing when carrying the restoration gasbag in the pipeline, leads to repairing the problem of material adhesion on the restoration gasbag on the pipeline inner wall. It includes the gallows, and the gallows includes horizontal pole and montant. The cross rod is provided with a first slide rail and a second slide rail which are parallel to the vertical rod and used for extending into the pipeline. The openings of the first sliding rail and the second sliding rail are arranged oppositely, the first sliding rail and the second sliding rail form a space for the repair air bag to slide downwards, and the lower end of the first sliding rail is provided with an arc section for the repair air bag to turn. The repair air bag falls to the shaft bottom along the space formed by the first sliding rail and the second sliding rail, and is conveyed to a pipeline to be repaired through the pull rope again by guiding the arc section and then by the second sliding rail to be shorter than one side of the first sliding rail, so that the repair air bag cannot be influenced by the swing of the pull rope in the transportation of the pipeline.

Description

Downhole structure of pipeline repairing air bag

Technical Field

The utility model relates to a pipeline repair equipment field especially relates to a structure of going into well of pipeline restoration gasbag.

Background

The pipeline buried underground is crossed among many pipelines, and is complicated, has some pipelines through many years's use, and the seepage, the accident of breaking frequently appears, and these pipelines are laid mostly in the urban area of population density, commercial prosperous, and the excavation construction can cause traffic jam, the destruction in greenery patches and gardens, and the damage of other pipelines often can be caused to the technology of excavation restoration pipeline. At present, the CIPP trenchless pipeline repairing technology is widely used as an efficient and energy-saving trenchless underground pipeline repairing technology.

In the prior art, the publication number of authority is CN207539526U, which discloses a ultraviolet light trenchless repairing device for pipelines and an air bag structure thereof. It is including the gasbag body, and the gasbag body is formed with expandable gasbag chamber with two locating racks, and the gasbag body is including connecting the first expansion ring on two locating racks and pasting the second expansion ring of establishing in locating rack and first expansion ring junction, has reached the effect of reinforcing gasbag body's leakproofness.

However, in this utility model, need transport the gasbag body to the pipeline defect department through the stay cord, the stay cord can have the swing when carrying the gasbag body in the pipeline, leads to the patching material on the gasbag body not yet to reach the defect department and just adhere on the pipeline inner wall, influences the repair effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of going into well of pipeline restoration gasbag has the advantage of avoiding the gasbag body to transfer to in the pipeline with the pipeline inner wall butt.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a structure of going into well of gasbag is restoreed to pipeline, is including setting up the gallows on the well head, the gallows includes horizontal pole and montant, the horizontal pole is two sections and through connecting plate bolted connection, montant and ground contact, be provided with on the horizontal pole with montant parallel arrangement stretches into first slide rail and second slide rail in the pipeline, and the opening of first slide rail and second slide rail sets up relatively, first slide rail with the second slide rail forms restores gasbag gliding space downwards, the lower extreme of first slide rail is provided with the circular arc section that supplies to restore the gasbag and turn to.

Implement above-mentioned technical scheme, when needing to restore the fracture department of pipeline in getting into the sewer through the repair gasbag, the pulley of homonymy on the gasbag will be restoreed imbeds first slide rail and second slide rail respectively, pass through connecting plate bolted connection together with two sections horizontal poles and form the gallows, erect the gallows in well head department again, and stretch into first slide rail and second slide rail in the pipeline, the circular arc section and the shaft bottom looks butt of first slide rail, the length of second slide rail is in the length of first slide rail, make the repair gasbag can fall the shaft bottom along the space that first slide rail and second slide rail formed, and through the direction of circular arc section, rethread second slide rail is in one side of first slide rail and transports to the pipeline that needs to restore through the stay cord again, make the repair gasbag can not receive the wobbling influence of stay cord in the transportation of pipeline.

Furthermore, two sliding blocks penetrate through the cross rod, a groove is formed in the lower end of the cross rod along the length direction of the cross rod, the first sliding rail and the second sliding rail respectively penetrate through the groove and are connected with the cross rod in a sliding mode through the sliding blocks, the sliding blocks penetrate through the groove and are provided with screw rods, and fastening nuts used for abutting against the cross rod are connected to the screw rods in a threaded mode.

Implement above-mentioned technical scheme, when needs are used corresponding size's restoration gasbag according to prosthetic pipeline size, drive first slide rail and second slide rail respectively through the slip of two sliders in the spout and remove, adjust the distance between the two of first slide rail and second slide rail to adapt to the size of restoreing the gasbag, the relative position of fixed first slide rail and second slide rail is tightened up fastening nut to the rethread.

Further, the fastening nut is a butterfly nut.

Implement above-mentioned technical scheme, through butterfly nut, make things convenient for constructor to screw up or unscrew fastening nut and adjust first slide rail and second slide rail.

Further, first slide rail includes first section and second section, first section with the circular arc section is connected, first section is kept away from the one end of circular arc section wears to locate in the second section and with second section sliding connection, the second section is kept away from the one end of first section with the slider is connected.

Implement above-mentioned technical scheme, when the vertical depth of pipeline is uncertain, when stretching into the pipeline with first slide rail, first section falls to the least significant end of pipeline through the relative slip with the second section for repair gasbag can fall the shaft bottom smoothly, and can enter into in the pipeline perpendicular with the bottom smoothly through the circular arc section.

Further, a gasket is arranged below the lowest end of the arc section.

Implement above-mentioned technical scheme, through being provided with the gasket at the bottommost end of circular arc section for first section is at the in-process that falls with the relative slip of second section, and the impact force when slowing down first section and shaft bottom contact.

Furthermore, the second slide rail comprises a third section and a fourth section, the third section is arranged in the fourth section in a penetrating mode and is connected with the fourth section in a sliding mode, one end, far away from the third section, of the fourth section is connected with the slide block, and one end, far away from the slide block, of the fourth section is provided with a fastening screw rod which abuts against the third section in a penetrating mode.

Implement above-mentioned technical scheme, the circular arc section whereabouts of first slide rail to the shaft bottom, observes through the torch, unscrews fastening screw, makes the third section whereabouts to suitable height, screws up fastening screw for repair the gasbag and fall to the shaft bottom along first slide rail and second slide rail smoothly, and through the direction of circular arc section, the rethread second slide rail is shorter than one side of first slide rail and transports in the pipeline that needs the restoration again through the stay cord.

Furthermore, one end of the first section, which is far away from the second section, is provided with a first anti-falling part for preventing the first section from being separated from the second section, and one end of the third section, which is far away from the fourth section, is provided with a second anti-falling part for preventing the third section from being separated from the fourth section.

Implement above-mentioned technical scheme, through be provided with first anticreep portion on first section, prevent that first section from breaking away from with the second section mutually with the in-process that the second section relative slip falls, through be provided with second anticreep portion on the third section, prevent that the third section from breaking away from mutually with the fourth section at the in-process that falls with the fourth section relative slip.

Furthermore, the lower end of the vertical rod is provided with a pad seat.

Implement above-mentioned technical scheme, be provided with the base of a mattress at the lower extreme of montant for when carrying out the construction the gallows place subaerial more stable.

To sum up, the utility model discloses following beneficial effect has:

the repairing air bag can fall to the bottom of a well along a space formed by the first sliding rail and the second sliding rail, and is conveyed to a pipeline to be repaired through a pull rope by guiding the arc section and the second sliding rail which is shorter than one side of the first sliding rail, so that the repairing air bag is not influenced by the swing of the pull rope in the transportation of the pipeline;

secondly, the first sliding rail and the second sliding rail are respectively driven to move by the sliding of the two sliding blocks in the sliding grooves, and the distance between the first sliding rail and the second sliding rail is adjusted to adapt to the size of the repaired air bag;

and thirdly, when the vertical depth of the pipeline is uncertain, when the first sliding rail extends into the pipeline, the first section falls to the lowest end of the pipeline through relative sliding with the second section, so that the repairing air bag can smoothly fall to the bottom of the well.

Drawings

FIG. 1 is a schematic view of the overall structure of a pipeline repairing air bag according to an embodiment of the present invention;

FIG. 2 is an exploded view of a partial structure of a pipeline repairing air bag according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

Reference numerals: 1. a hanger; 101. a cross bar; 102. a vertical rod; 2. a connecting plate; 3. a first slide rail; 301. a first stage; 302. a second stage; 4. a second slide rail; 401. a third stage; 402. a fourth stage; 5. a circular arc section; 6. a slider; 7. grooving; 8. a screw; 9. fastening a nut; 10. a gasket; 11. fastening a screw rod; 12. a first anti-drop part; 13. a second anti-drop part; 14. a pad seat; 15. and repairing the air bag.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

Examples

As shown in fig. 1, a downhole structure of a pipe rehabilitation balloon includes a hanger 1 provided on a wellhead. The hanger 1 comprises a cross rod 101 and vertical rods 102, the cross rod 101 is two-section and is connected with the cross rod 101 through a connecting plate 2 through bolts, and the two vertical rods 102 are respectively and vertically welded with two ends of the cross rod 101. The end of the vertical rod 102 far away from the cross rod 101 is welded with the pad 14, so that the contact area between the vertical rod 102 and the ground is increased.

Referring to fig. 2 and 3, two sliding blocks 6 slidably connected with the cross bar 101 penetrate through the cross bar 101, and a slot 7 is formed in the lower end of the cross bar 101 along the length direction of the cross bar 101. One sliding block 6 penetrates through the open slot 7 to be connected with a first sliding rail 3, the other sliding block 6 penetrates through the open slot 7 to be connected with a second sliding rail 4, and the openings of the first sliding rail 3 and the second sliding rail 4 are oppositely arranged to form a space for downwards sliding the repairing air bag 15. The sliding block 6 penetrates through the open groove 7 and is welded with a screw rod 8, a fastening nut 9 which is tightly abutted to the cross rod 101 is connected to the screw rod 8 in a threaded mode, and the fastening nut 9 is a butterfly nut.

With reference to fig. 2 and 4, the first slide rail 3 includes a first section 301 and a second section 302, the second section 302 is connected to the slider 6, the first section 301 is disposed in the second section 302 in a penetrating manner and slidably connected to the second section 302, and a first anti-separation portion 12 for preventing separation from the second section 302 is disposed at an end of the first section 301 away from the second section 302. The one end welding that slider 6 was kept away from to first section 301 has circular arc section 5, and the below of the least significant end of circular arc section 5 bonds there is gasket 10. The second slide rail 4 comprises a third section 401 and a fourth section 402, the fourth section 402 is connected with the slide block 6, the third section 401 is arranged in the fourth section 402 in a penetrating manner and is connected with the fourth section 402 in a sliding manner, one end, far away from the fourth section 402, of the third section 401 is provided with a first anti-falling portion 12 for preventing the third section 402 from being separated from the fourth section 402, and one end, far away from the slide block 6, of the fourth section 402 is arranged in a penetrating manner with a fastening screw rod 11 for tightly abutting against the third section 401.

The specific working process is as follows: when the broken part of the pipeline needs to be repaired when the repairing air bag enters the sewer, the pipeline is cleaned by high-pressure cleaning equipment, and sludge and sharp objects in the pipeline are cleaned to avoid damaging the repairing air bag 15. And then carrying out video detection on the pipeline through a pipeline crawler, and determining the pipeline repairing position.

Two sections of cross rods 101 are connected together through connecting plates 2 through bolts to form a hanger 1, then the hanger 1 is erected at a wellhead, and a first sliding rail 3 and a second sliding rail 4 extend into a pipeline. And then the first section 301 and the second section 302 slide relatively to each other and fall to the bottom of the well, and the gasket 10 below the circular arc section 5 is contacted with the bottom of the well. Through the observation of the flashlight, the fastening screw rod 11 is unscrewed, so that the third section 401 falls to a height which cannot block the repair air bag 15 when the repair air bag 15 is guided through the arc section 5, and then the fastening screw rod 11 is screwed down.

The repairing air bag 15 with the corresponding size is used according to the size of a repaired pipeline, the first sliding rail 3 and the second sliding rail 4 are driven to move respectively through the sliding of the two sliding blocks 6 in the sliding grooves, the distance between the first sliding rail 3 and the second sliding rail 4 is adjusted, the pulleys on the same side of the repairing air bag 15 are embedded into the first sliding rail 3 and the second sliding rail 4 respectively so as to adapt to the size of the repairing air bag 15, and the relative positions of the first sliding rail 3 and the second sliding rail 4 are fixed through screwing the fastening nut 9. The repairing air bag 15 falls to the bottom of the well along the space formed by the first sliding rail 3 and the second sliding rail 4, and is conveyed to the pipeline through the pull rope by the guiding of the arc section 5 and the second sliding rail 4 which is shorter than one side of the first sliding rail 3, so that the pipeline is repaired.

Claims

1. The utility model provides a structure of going down in well of gasbag is restoreed to pipeline, its characterized in that, including gallows (1) of setting on the well head, gallows (1) include horizontal pole (101) and montant (102), horizontal pole (101) are two sections and pass through connecting plate (2) bolted connection, montant (102) and ground contact, be provided with on horizontal pole (101) with montant (102) parallel arrangement is in stretching into first slide rail (3) and second slide rail (4) in the pipeline, and the opening of first slide rail (3) and second slide rail (4) sets up relatively, first slide rail (3) with second slide rail (4) form the space of restoreing gasbag (15) lapse, the lower extreme of first slide rail (3) is provided with and supplies to restore circular arc section (5) that gasbag (15) turned to.

2. The downhole structure of the pipeline repairing air bag according to claim 1, wherein two sliding blocks (6) penetrate through the cross rod (101), a groove (7) is formed in the lower end of the cross rod (101) along the length direction of the cross rod, the first sliding rail (3) and the second sliding rail (4) respectively penetrate through the groove (7) and are in sliding connection with the cross rod (101) through the sliding blocks (6), the sliding blocks (6) penetrate through the groove (7) and are provided with screw rods (8), and fastening nuts (9) used for being tightly abutted to the cross rod (101) are in threaded connection with the screw rods (8).

3. A downhole construction of a pipeline rehabilitation balloon according to claim 2, characterized in that the fastening nut (9) is a wing nut.

4. The downhole structure of the pipeline repairing air bag according to claim 2, wherein the first slide rail (3) comprises a first section (301) and a second section (302), the first section (301) is connected with the arc section (5), one end of the first section (301) far away from the arc section (5) is arranged in the second section (302) in a penetrating manner and is connected with the second section (302) in a sliding manner, and one end of the second section (302) far away from the first section (301) is connected with the sliding block (6).

5. A downhole construction of a pipeline rehabilitation balloon according to claim 4, characterized in that a gasket (10) is arranged below the lowest end of the circular arc segment (5).

6. The downhole structure of the pipeline repairing air bag according to claim 4, wherein the second slide rail (4) comprises a third section (401) and a fourth section (402), the third section (401) is arranged in the fourth section (402) in a penetrating manner and is connected with the fourth section (402) in a sliding manner, one end of the fourth section (402) far away from the third section (401) is connected with the sliding block (6), and one end of the fourth section (402) far away from the sliding block (6) is provided with a fastening screw rod (11) which is tightly pressed against the third section (401).

7. The downhole structure of the pipeline repairing balloon according to claim 6, wherein the end of the first section (301) far away from the second section (302) is provided with a first anti-drop portion (12) for preventing the first section (302) from being separated, and the end of the third section (401) far away from the fourth section (402) is provided with a second anti-drop portion (13) for preventing the third section (402) from being separated.

8. The downhole structure of a pipeline rehabilitation balloon according to claim 1, wherein the lower end of the vertical rod (102) is provided with a pad (14).