CN112196057B - In-pipe grouting device and grouting method - Google Patents
In-pipe grouting device and grouting method Download PDFInfo
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- CN112196057B CN112196057B CN202010987244.9A CN202010987244A CN112196057B CN 112196057 B CN112196057 B CN 112196057B CN 202010987244 A CN202010987244 A CN 202010987244A CN 112196057 B CN112196057 B CN 112196057B
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- grouting
- air bag
- auxiliary air
- pipe
- hole
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
- E03F2003/065—Refurbishing of sewer pipes, e.g. by coating, lining
Abstract
A grouting device and a grouting method in a pipe comprise a barrel, wherein an auxiliary air bag is arranged on the outer wall of the barrel, and positioning air bags are arranged at two ends of the auxiliary air bag; the outer surface of the auxiliary air bag is provided with a grouting hole, the grouting hole is connected with one end of a grouting hose, the other end of the grouting hose is connected with a grouting leading-in hole, the grouting hose is arranged in the auxiliary air bag, and the grouting leading-in hole is arranged on the wall of the barrel; the cylinder wall of the cylinder body is provided with a plurality of gas supply holes, the gas supply holes are used for being connected with a gas input pipe, and the gas input pipe is used for supplying gas to the auxiliary air bag and the positioning air bag. When grouting, the auxiliary air bag is matched to stretch, extrusion assistance in the grouting process is completed, the limiting device plays a stabilizing role in the whole grouting link, and water in the drainage pipe flows through the middle of the cylinder body, so that grouting operation is performed in a flowing water environment; the guide and exhaust operation is avoided, and the labor and time are saved.
Description
Technical Field
The invention belongs to the technical field of urban drainage pipeline repair, and particularly relates to an in-pipe grouting device and a grouting method.
Background
A lot of city rain sewage pipelines are maintained for a long time, one of them serious problem is the seepage, generally carry out the stagnant water through the mode of slip casting before carrying out the seepage restoration, but to three, four grades of leakage holes, because the leakage volume is great, the groundwater velocity of flow is very fast, and the outside water injection mud is difficult to play the stagnant water effect, if use chemical outside of tubes slip casting, on the one hand the cost is higher, on the other hand the location drilling degree of difficulty is great.
The problem of leakage can be effectively solved by grouting in the pipe, but the difficulty of grouting in the pipe at the present stage is as follows: rainwater pipelines accumulate water throughout the year, particularly in seasons with sufficient rainwater, the flow of the drainage pipelines is large, part of the sewage pipelines run at a high water level, the flow is large, the grout solidification time after grouting is long (grouting equipment is disassembled after grout solidification), the drainage problem needs to be solved in advance, the workload is large, and the time consumption is long; in addition, some devices are high in manufacturing cost and not beneficial to large-scale popularization and application.
Disclosure of Invention
In view of the technical problems in the background art, the in-pipe grouting device and the grouting method provided by the invention have the advantages that during grouting, the auxiliary air bag is matched for stretching, so that the extrusion assistance in the grouting process is completed, the limiting device plays a stabilizing role in the whole grouting link, and the water in the drainage pipe flows through the middle part of the cylinder body, so that the grouting operation is realized in a flowing water environment; the guide and exhaust operation is avoided, and the labor and time are saved.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
an in-pipe grouting device comprises a barrel, wherein an auxiliary air bag is arranged on the outer wall of the barrel, and positioning air bags are arranged at two ends of the auxiliary air bag; the outer surface of the auxiliary air bag is provided with a grouting hole, the grouting hole is connected with one end of a grouting hose, the other end of the grouting hose is connected with a grouting leading-in hole, the grouting hose is arranged in the auxiliary air bag, and the grouting leading-in hole is arranged on the wall of the barrel; the cylinder wall of the cylinder body is provided with a plurality of gas supply holes, the gas supply holes are used for being connected with a gas input pipe, and the gas input pipe is used for supplying gas to the auxiliary air bag and the positioning air bag.
In the preferred scheme, a plurality of wheel frames are arranged at two ends of the cylinder body, and rollers are arranged on the wheel frames.
In a preferred scheme, the positioning air bag and the auxiliary air bag are both of annular structures; the air supply holes comprise an air supply hole of the positioning air bag and an air supply hole of the auxiliary air bag, and the air supply hole of the auxiliary air bag is positioned at the end part or other parts of the auxiliary air bag.
In a preferred scheme, the grouting hole is positioned in the middle of the auxiliary air bag.
In a preferable scheme, the outer surface of the positioning air bag is provided with a wear-resistant plate.
In a preferred scheme, limiting devices are arranged at two ends of the cylinder body and comprise a plurality of brake pads, the brake pads are annularly arranged around the axis of the cylinder body, and the brake pads are hinged with the wheel frame through rotating rods; the middle part of the rotating rod is connected with a connecting rod mechanism, and the connecting rod mechanism is driven by a pushing device.
In a preferred scheme, the pushing device comprises an air cylinder, and the air cylinder is fixed at the axis of the cylinder body through an air cylinder bracket; the telescopic link of cylinder is articulated with first connecting rod, and first connecting rod is articulated with the second connecting rod, second connecting rod and rotary rod fixed connection.
In a preferred scheme, a plurality of lug plates are arranged at two ends of the cylinder body, the lug plates are connected with the wheel frames through bolts, and the wheel frames extend to the periphery by taking the center of gravity of the cylinder body as a center; the brake pad is an arc-shaped brake pad, and the radius of the brake pad is smaller than that of the roller; when the limiting device does not limit, the axis of the brake pad is superposed with the axis of the roller; when the limiting device limits, the brake pad rotates to one side of the center of gravity of the cylinder; the barrel is provided with a traction hanging plate which is used for connecting a traction rope.
This patent can reach following beneficial effect:
the invention adopts two positioning air bags and an auxiliary air bag, and the two positioning air bags have the functions that: firstly, the whole grouting device in the pipe is relatively stable through expansion and extrusion with the inner wall of the drainage pipe; second, a closed annular region, i.e., the annular region where the auxiliary airbag is located, may be formed. When the device is used, air is ventilated from upstream to downstream according to the positioning air bag sequence of the positioning air bag, water in an annular area where the auxiliary air bag is located can be discharged, and thus a waterless state is formed at a leakage position, and the problem of interference of the discharged water to grouting is solved.
During grouting, the auxiliary air bag is matched for expansion and shrinkage, so that the grout can smoothly enter the leakage hole, the grout is prevented from remaining in the pipeline, the limiting device plays a stabilizing role in the whole grouting link, and water in the drainage pipe can flow through the middle part of the cylinder body, so that grouting operation is realized in a flowing water environment; the guide and exhaust operation is avoided, and the labor and time are saved.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the present invention in use;
FIG. 2 is a schematic view of the present invention in use (with the side A positioning airbag vented);
FIG. 3 is a schematic view of the present invention in use (with the auxiliary bladder being vented);
FIG. 4 is a schematic diagram of the present invention in an in-use configuration (when the auxiliary airbag is completely inflated);
FIG. 5 is a schematic view of the present invention in use (with the B-side positioning bladder vented);
FIG. 6 is a schematic view of the present invention in use (at which point the grouting holes begin to be grouted);
FIG. 7 is a view showing a connection structure of the cylinder and the position limiting device according to the present invention;
FIG. 8 is a first view showing the installation effect of the position limiting device according to the present invention;
FIG. 9 is a second view illustrating the installation effect of the position limiting device according to the present invention;
FIG. 10 is an effect diagram of the position of the barrel under the limiting condition of the limiting device of the present invention;
FIG. 11 is a schematic diagram of the transmission of the rotating rod, the first connecting rod, the second connecting rod and the cylinder rod according to the present invention (at this time, the cylinder rod is in an extended state);
FIG. 12 is a schematic view of the transmission of the rotating rod, the first connecting rod, the second connecting rod and the cylinder rod according to the present invention (in which the cylinder rod is retracted);
FIG. 13 is a schematic view of the present invention showing the transmission of the rotating rod, first link, second link and cylinder rod (which shows the cylinder rod locked in the extended position and the rotating rod not rotating).
In the figure: the wear-resistant sheet 1, the positioning air bag 2, the auxiliary air bag 3, the grouting hole 4, the grouting hose 5, the roller 6, the cylinder 7, the positioning air bag air supply hole 71, the auxiliary air bag air supply hole 72, the grouting introduction hole 73, the limiting device 8, the brake pad 81, the rotating rod 82, the air cylinder 83, the air cylinder bracket 84, the first connecting rod 85, the second connecting rod 86, the leakage position 9, the drain pipe 10, the traction hanging plate 11, and the grout 12 and A represent the upstream side; b represents the downstream side.
Detailed Description
A preferable scheme is as shown in fig. 1 to 6, a grouting device in a pipe and a grouting method thereof, comprising a cylinder body 7, wherein the outer wall of the cylinder body 7 is provided with an auxiliary air bag 3, and two ends of the auxiliary air bag 3 are provided with positioning air bags 2; the outer surface of the auxiliary air bag 3 is provided with a grouting hole 4, the grouting hole 4 is connected with one end of a grouting hose 5, the other end of the grouting hose 5 is connected with a grouting leading-in hole 73, the grouting hose 5 is arranged in the auxiliary air bag 3, and the grouting leading-in hole 73 is arranged on the wall of the barrel 7; the wall of the cylinder 7 is provided with a plurality of gas supply holes which are used for connecting gas input pipes which are used for supplying gas to the auxiliary air bags 3 and the positioning air bags 2.
In this technical scheme, location gasbag 2 and supplementary gasbag 3 accessible clamp are fixed on barrel 7. The grouting hose 5 moves along with the auxiliary air bag 3, so that the length of the grouting hose 5 is greater than the maximum expansion amplitude of the auxiliary air bag 3. The two positioning balloons 2 have the function: firstly, the whole grouting device in the pipe is relatively stable by forming extrusion with the inner wall of the drain pipe 10 through expansion; second, a closed annular region, i.e., an annular region where the auxiliary bag 3 is located, may be formed.
Furthermore, a plurality of wheel frames are arranged at two ends of the cylinder body 7, and the wheel frames are provided with the rollers 6. The roller 6 is used for contacting with the inner wall of the drain pipe 10, so that the pipeline robot can draw the device to move conveniently.
Further, the positioning air bag 2 and the auxiliary air bag 3 are both of annular structures; as shown in fig. 7, the air supply holes include a positioning bag air supply hole 71 and an auxiliary bag air supply hole 72, and the auxiliary bag air supply hole 72 is located at an end of the auxiliary bag 3. As shown in fig. 8, a plurality of air supply ducts are provided in parallel inside the cylinder 7.
Further, the injection hole 4 is located at the middle of the auxiliary bag 3. When grouting operation is adopted, the path of the grout entering the leakage hole is short.
Further, the outer surface of the positioning air bag 2 is provided with a wear-resistant plate 1. The wear-resistant plate 1 prevents the positioning airbag 2 from being damaged by friction.
Further, as shown in fig. 7-8, two ends of the cylinder 7 are provided with a limiting device 8, the limiting device 8 comprises a plurality of brake pads 81, the plurality of brake pads 81 are annularly arranged around the axis of the cylinder 7, and the brake pads 81 are hinged with the wheel frame through a rotating rod 82; the middle part of the rotating rod 82 is connected with a link mechanism, and the link mechanism is driven by a pushing device.
The intraductal slip casting device that this technical scheme provided can carry out the slip casting operation in having the water pipeling, and the water in the drain pipe can flow through barrel 7, but location gasbag 2 still can receive very big impact force, has consequently designed stop device 8, and stop device 8 is used for further increasing the stability of whole device.
Further, the pushing device comprises a cylinder 83, and the cylinder 83 is fixed at the axis of the cylinder 7 through a cylinder bracket 84; the telescopic rod of the cylinder 83 is hinged to a first connecting rod 85, the first connecting rod 85 is hinged to a second connecting rod 86, and the second connecting rod is fixedly connected to the rotating rod 82. The positioning air bag 2 and the auxiliary air bag 3 of the device are both air-using devices, so the power part of the pushing device is also a pneumatic device, namely the pushing device is driven by an air cylinder 83.
Furthermore, a plurality of ear plates are arranged at two ends of the cylinder 7 and connected with the wheel frames through bolts, and the wheel frames extend to the periphery by taking the center of gravity of the cylinder 7 as the center; the brake pad 81 is an arc-shaped brake pad, and the radius of the brake pad 81 is smaller than that of the roller 6; when the limiting device 8 does not limit, the axis of the brake pad 81 is superposed with the axis of the roller 6; when the limiting device 8 limits, the brake block 81 rotates towards one side of the gravity center of the cylinder 7; the barrel 7 is provided with a traction hanging plate 11, and the traction hanging plate 11 is used for connecting a traction rope.
As shown in fig. 7-13, when the extension rod of the cylinder 83 is not extended, the axis of the brake pad 81 coincides with the axis of the roller 6, i.e. the brake pad 81 overlaps the roller 6, and since the radius of the roller 6 is larger than that of the brake pad 81, the brake pad 81 does not interfere with the roller 6 to roll.
When the cylinder 83 is extended, the brake 81 is rotated by a certain angle, and the brake 81 protrudes from the roller 6 and presses the inner wall of the drain pipe 10, thereby fixing the whole device. The brake pad 81 may be made of rubber or soft plastic, and the outer surface of the brake pad 81 is uneven to increase its frictional force.
In a preferred scheme, the grouting method of the in-pipe grouting device comprises the following steps:
s1: the pipe grouting device is pulled to the leakage position 9 of the drain pipe 10 by using a pipeline robot, so that a grouting hole 4 in the pipe grouting device faces to the leakage position 9;
before the step is carried out, when the grouting device in the pipe is put into the drain pipe 10, the auxiliary air bag air supply hole 72 is positioned at the upstream side, and the grouting hole 4 is positioned towards the position of the leakage position 9 as much as possible;
the pipeline robot is a CCTV robot, the CCTV robot is a common pipeline detection robot, the distance between the leakage position 9 and the pipe orifice can be determined, then the CCTV robot is used for drawing a traction rope from an inspection well at one side of a drain pipe where the leakage position is located to an inspection well at the other side, and then the traction rope is used for drawing the in-pipe grouting device to the leakage position 9 of the drain pipe 10.
S2: starting the limiting device 8 to enable the brake block 81 to rotate, enabling the brake block 81 and the inner wall of the drain pipe 10 to generate extrusion force, and limiting the grouting device in the pipe through static friction force by the brake block 81;
in step S2, specifically, the following steps are performed: when the limiting device 8 performs limiting operation, the cylinder 83 is opened to drive the telescopic rod to extend, the telescopic rod drives the first connecting rod 85 to rotate, and the first connecting rod 85 drives the second connecting rod 86 and the rotary rod 82 to synchronously rotate, so that the brake pad 81 rotates.
S3: as shown in fig. 2, the positioning airbag 2 on the upstream side is ventilated, and the positioning airbag 2 is inflated to be attached to the inner wall of the drain pipe 10;
s4: as shown in fig. 3 to 4, the auxiliary air bag 3 is inflated to fit the inner wall of the drain pipe 10;
s5: as shown in fig. 5, the positioning bag 2 on the downstream side is inflated to be attached to the inner wall of the drain pipe 10;
s6: as shown in fig. 6, the grouting hole 4 is grouted, and the auxiliary air bag 3 is deflated, so that the leakage hole is not blocked by the auxiliary air bag 3 when the auxiliary air bag 3 is completely separated from the inner wall of the drain pipe 10, the grout can smoothly enter the leakage hole, and the auxiliary air bag 3 is stopped to be deflated;
s7: the auxiliary air bag 3 is inflated again, and the slurry between the auxiliary air bag 3 and the drain pipe 10 is pressed into the leakage position 9 by utilizing the extrusion force of the auxiliary air bag 3; the grouting amount is estimated in advance, and after grouting is finished, the auxiliary air bag 3 is attached to the inner wall of the drain pipe 10, and the aim is as follows: firstly, avoid the thick liquid extravagant, secondly avoid the thick liquid to solidify and influence the water cross section that the gasbag was demolishd and the pipeline.
S8: and withdrawing the grouting device in the pipe after the slurry is solidified.
Claims (9)
1. The in-pipe grouting device comprises a cylinder body (7), and is characterized in that: the outer wall of the cylinder body (7) is provided with an auxiliary air bag (3), and both ends of the auxiliary air bag (3) are provided with positioning air bags (2); the outer surface of the auxiliary air bag (3) is provided with a grouting hole (4), the grouting hole (4) is connected with one end of a grouting hose (5), the other end of the grouting hose (5) is connected with a grouting lead-in hole (73), the grouting hose (5) is arranged in the auxiliary air bag (3), and the grouting lead-in hole (73) is arranged on the wall of the barrel body (7); the cylinder wall of the cylinder body (7) is provided with a plurality of gas supply holes, the gas supply holes are used for connecting gas input pipes, and the gas input pipes are used for supplying gas to the auxiliary air bags (3) and the positioning air bags (2);
the grouting method of the in-pipe grouting device comprises the following steps:
s1: a pipeline robot is used for drawing a drawing rope from an inspection well at one side of a drain pipe where the leakage position is located to an inspection well at the other side of the drain pipe, then the drawing rope is used for drawing the in-pipe grouting device to the leakage position (9) of the drain pipe (10), and a grouting hole (4) in the in-pipe grouting device faces the leakage position (9) as far as possible;
s2: starting the limiting device (8) to enable the brake block (81) to rotate, enabling the brake block (81) and the inner wall of the drainage pipe (10) to generate extrusion force, and limiting the grouting device in the pipe through static friction force by the brake block (81);
s3: ventilating the positioning air bag (2) on the upstream side to enable the positioning air bag (2) to expand to be attached to the inner wall of the drainage pipe (10);
s4: ventilating the auxiliary air bag (3) to expand the auxiliary air bag (3) to be attached to the inner wall of the drain pipe (10);
s5: ventilating the positioning air bag (2) at the downstream side to enable the positioning air bag (2) to expand to be attached to the inner wall of the drain pipe (10);
s6: grouting the grouting holes (4), simultaneously deflating the auxiliary air bag (3), and when the auxiliary air bag (3) is completely separated from the inner wall of the drain pipe (10), enabling the leakage holes not to be blocked by the auxiliary air bag (3), enabling the slurry to smoothly enter the leakage holes and stopping deflating the auxiliary air bag (3);
s7: stopping grouting when the grouting amount meets the requirement, re-inflating the auxiliary air bag (3), and pressing the grout between the auxiliary air bag (3) and the drain pipe (10) into the leakage position (9) by using the extrusion force of the auxiliary air bag (3);
s8: and withdrawing the grouting device in the pipe after the slurry is solidified.
2. The in-pipe grouting device according to claim 1, characterized in that: a plurality of wheel frames are arranged at both ends of the cylinder body (7), and rollers (6) are arranged on the wheel frames.
3. The in-pipe grouting device according to claim 2, characterized in that: the positioning air bag (2) and the auxiliary air bag (3) are both of annular structures; the air supply holes comprise a positioning air bag air supply hole (71) and an auxiliary air bag air supply hole (72), and the auxiliary air bag air supply hole (72) is positioned at the end part of the auxiliary air bag (3).
4. The in-pipe grouting device according to claim 3, characterized in that: the grouting hole (4) is positioned in the middle of the auxiliary air bag (3).
5. The in-pipe grouting device according to any one of claims 1-4, characterized in that: the outer surface of the positioning air bag (2) is provided with a wear-resistant sheet (1).
6. The in-pipe grouting device according to any one of claims 2-4, characterized in that: limiting devices (8) are arranged at two ends of the cylinder body (7), each limiting device (8) comprises a plurality of brake pads (81), the plurality of brake pads (81) are annularly arranged around the axis of the cylinder body (7), and the brake pads (81) are hinged with the wheel frame through rotating rods (82); the middle part of the rotating rod (82) is connected with a connecting rod mechanism, and the connecting rod mechanism is driven by a pushing device.
7. The in-pipe grouting device according to claim 6, characterized in that: the pushing device comprises an air cylinder (83), and the air cylinder (83) is fixed at the axis of the cylinder body (7) through an air cylinder bracket (84); the telescopic rod of the cylinder (83) is hinged with the first connecting rod (85), the first connecting rod (85) is hinged with the second connecting rod (86), and the second connecting rod is fixedly connected with the rotating rod (82).
8. The in-pipe grouting device according to claim 7, characterized in that: a plurality of lug plates are arranged at two ends of the barrel body (7), the lug plates are connected with the wheel frames through bolts, and the wheel frames extend to the periphery by taking the center of gravity of the barrel body (7) as a center; the brake pad (81) is an arc-shaped brake pad, and the radius of the brake pad (81) is smaller than that of the roller (6); when the limiting device (8) does not limit, the axis of the brake pad (81) is superposed with the axis of the roller (6); when the limiting device (8) limits the position, the brake block (81) rotates towards one side of the gravity center of the cylinder body (7); the barrel (7) is provided with a traction hanging plate (11), and the traction hanging plate (11) is used for connecting a traction rope.
9. The in-pipe grouting device according to claim 1, characterized in that:
in step S1, when the in-pipe grouting device is put into the drain pipe (10), the auxiliary air bag air supply hole (72) is positioned at the upstream side, and the grouting hole (4) is oriented to the position of the leakage position (9) as much as possible;
the pipeline robot is a CCTV robot;
in step S2, when the limiting device (8) performs limiting operation, the cylinder (83) is opened to drive the telescopic rod to extend, the telescopic rod drives the first connecting rod (85) to rotate, and the first connecting rod (85) drives the second connecting rod (86) and the rotating rod (82) to rotate synchronously, so as to rotate the brake pad (81).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010987244.9A CN112196057B (en) | 2020-09-18 | 2020-09-18 | In-pipe grouting device and grouting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010987244.9A CN112196057B (en) | 2020-09-18 | 2020-09-18 | In-pipe grouting device and grouting method |
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| CN112196057A CN112196057A (en) | 2021-01-08 |
| CN112196057B true CN112196057B (en) | 2021-10-12 |
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| CN202010987244.9A Active CN112196057B (en) | 2020-09-18 | 2020-09-18 | In-pipe grouting device and grouting method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374975B (en) * | 2021-05-28 | 2022-08-09 | 苏州市平海排水服务有限公司 | Non-excavation repairing method for drainage pipeline |
| CN113819335A (en) * | 2021-08-26 | 2021-12-21 | 中山大学 | Pipeline repairing device and pipeline repairing method |
| CN114855983A (en) * | 2022-04-22 | 2022-08-05 | 长江生态环保集团有限公司 | Auxiliary tool for repairing gushing water at bottom of inspection well and implementation method |
| CN115163963B (en) * | 2022-07-14 | 2023-06-27 | 哈工大机器人（合肥）国际创新研究院 | Airbag plugging robot with two-stage airbag pushing-out guide device |
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| US10436374B2 (en) * | 2017-10-09 | 2019-10-08 | Lmk Technologies, Llc | Grooved sealing member for sealing pipes and other underground structures and method of using |
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| JP2008121718A (en) * | 2006-11-08 | 2008-05-29 | National Agriculture & Food Research Organization | Water passage repairing method |
| CN205298945U (en) * | 2015-12-30 | 2016-06-08 | 北京派普维尔管线技术有限公司 | Local auxiliary device that restores of pipeline |
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| CN112196057A (en) | 2021-01-08 |
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