CN114382153B - Drainage pipe steel lining local repair structure - Google Patents
Drainage pipe steel lining local repair structure Download PDFInfo
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- CN114382153B CN114382153B CN202210090548.4A CN202210090548A CN114382153B CN 114382153 B CN114382153 B CN 114382153B CN 202210090548 A CN202210090548 A CN 202210090548A CN 114382153 B CN114382153 B CN 114382153B
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- stop block
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- pipe fitting
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 230000008439 repair process Effects 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 7
- 238000007569 slipcasting Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
Abstract
The application relates to a local repair structure of a steel lining of a drainage pipeline, which comprises a plugging part and a sealing part, wherein the plugging part is arranged at the position of a staggered joint of two pipelines and positioned in the pipelines, the sealing part is positioned at the inner peripheral side of the plugging part, and sealing slurry is filled between the sealing part and the plugging part; the plugging part comprises a first stop block and a second stop block which are symmetrically arranged, the first stop block and the second stop block are arc-shaped blocks, and the first stop block and the second stop block are connected in a sliding manner and distributed on two pipelines; the first stop block and the second stop block are respectively abutted against the end walls of the adjacent pipelines. The drainage pipeline steel lining local repair structure can quickly repair the disjointed part at the pipeline joint, can shorten the construction period and reduce the construction difficulty, and has the advantages of energy conservation and environmental protection.
Description
Technical Field
The application relates to the technical field of pipeline repair, in particular to a local repair structure for a steel lining of a drainage pipeline.
Background
The drainage pipeline is an indispensable link in urban construction, and is used for carrying the functions of sewage and rainwater drainage in the city. However, with the long-term use of the drainage pipeline, the drainage pipeline is easy to be damaged locally and the joints of the adjacent pipelines are dislocated, and if the drainage pipeline is not maintained in time, water in the ground soil layer can enter the drainage pipeline, so that the underground water is polluted, and the pavement with soil loss is easy to collapse.
The existing drainage pipeline is generally repaired by adopting a non-excavation repair mode, wherein the non-excavation repair can be divided into an integral repair type and a local repair type; the integral repair means to strengthen and repair the whole pipeline, and the local repair means to repair the pipeline joint and other damaged points in the way of preventing seepage and plugging.
When carrying out local restoration to drainage pipe, if in two drainage pipe certain drainage pipe excessively warp, lead to when serious disjoint between two drainage pipe, the inside wall of drainage pipe probably exposes in adjacent drainage pipe's periphery side locally, and the soil in the ground probably gets into the pipeline inside from the position of staggering this moment to cause the quick loss of soil. The local restoration mode is difficult to be suitable under the situation, and the whole drainage pipeline needs to be excavated and replaced, so that the pipeline restoration efficiency is greatly affected.
Disclosure of Invention
In order to quickly repair when serious disconnection occurs at the joint of a drainage pipeline, the application provides a local repair structure for a steel lining of the drainage pipeline.
The application provides a drainage pipeline steel lining local repair structure, which adopts the following technical scheme:
the utility model provides a drainage pipe steel inside lining local repair structure, includes plugging member and sealing member, the plugging member sets up in the dislocation department of two pipelines and is located the pipeline inside, sealing member is located the inner periphery side of plugging member, it has sealing slurry to fill between sealing member and the plugging member; the plugging part comprises a first stop block and a second stop block which are symmetrically arranged, the first stop block and the second stop block are arc-shaped blocks, and the first stop block and the second stop block are connected in a sliding manner and distributed on two pipelines; the first stop block and the second stop block are respectively abutted against the end walls of the adjacent pipelines.
By adopting the technical scheme, when the drainage pipeline is locally repaired, the damage condition in the pipeline can be shot through CCTV pipeline shooting equipment; when the joint of the pipeline is found to be severely disjointed, the plugging part is arranged at the joint of the adjacent pipelines, and the first stop block and the second stop block can be respectively abutted against the end wall of the adjacent pipelines for blocking the staggered joint part of the adjacent pipelines, so that the condition that external soil enters the interior of the pipeline is reduced. Then, the sealing part is arranged on the inner peripheral side of the plugging part, a sealing area can be formed among the sealing part, the plugging part and the inner wall of the pipeline, and after sealing slurry is injected into the sealing area, adjacent pipelines can be firmly connected, so that the pipelines can be quickly repaired, the construction period is shortened, the construction difficulty is reduced, and the energy-saving and environment-friendly advantages are realized; at this time, the thickness of the inner wall of the pipeline joint is increased, which is favorable for improving the structural strength of the joint of two pipelines and reducing the condition of secondary disjoint of the subsequent pipeline joint.
Optionally, the first stop block is fixed with a first connecting part, and the first connecting part is provided with a chute; the second stop block is fixedly provided with a second connecting part, one side of the second connecting part facing the first connecting part is provided with a sliding rod, and the sliding rod is slidably arranged in the chute and can move along the chute; the sliding rod is connected with the sliding groove, and the sliding rod is connected with the sliding groove.
By adopting the technical scheme, when the plugging part is installed, the plugging part is pushed to move towards the direction close to the connecting position of the pipeline by adopting a manual or equipment mode, and at the moment, the first stop block and the second stop block can be abutted against the inner wall of the pipeline together by the first spring; when the first stop block gradually moves to enter the adjacent pipeline, the elastic force of the first spring acting on the first stop block can enable the first stop block to be abutted against the inner wall of the other pipeline, and meanwhile the first stop block and the second stop block can be respectively abutted against the end wall of the pipeline and used for limiting the movement of the plugging part in the pipeline, so that the staggered joint part of the adjacent pipeline is firmly plugged.
Optionally, a plurality of pulleys are fixed with respectively on opposite sides of the first stop block and the second stop block, the pulleys are unidirectional wheels, and the rotating axis of each pulley is perpendicular to the radial line direction of the connected first stop block/second stop block.
By adopting the technical scheme, after the dislocation condition of the pipeline connection part is shot by CCTV pipeline shooting equipment, the axial offset and the axial offset angle between two pipelines can be calculated, so that the angle of the plugging component placed in the pipeline can be determined; through setting the pulley to the unidirectional wheel, the elastic force of first spring can make the pulley support tightly in the pipeline inner wall after the shutoff part is placed in the pipeline inside for the shutoff part can keep the angle and gradually to the direction removal that is close to pipeline junction, the first dog of being convenient for gets into another pipeline inside smoothly and support in the inner wall of adjacent pipeline.
Optionally, two guide rods are vertically fixed on opposite sides of the first stop block and the second stop block respectively, a plurality of steel frameworks are commonly connected between two adjacent guide rods, and the adjacent steel frameworks are mutually fixed;
the steel framework comprises an arc-shaped baffle plate, a first steel pipe fitting and a second steel pipe fitting which are respectively fixed on two sides of the arc-shaped baffle plate, and the first steel pipe fitting is connected with the adjacent second steel pipe fitting; the arc-shaped baffle is crescent-shaped, and is provided with grouting holes for grouting; the intrados of the arc-shaped baffle plate abuts against the outer peripheral side of the sealing component, and a grouting area for filling the sealing slurry is formed among the sealing component, the plugging component and each arc-shaped baffle plate.
Through adopting foretell technical scheme, after plugging member is firm to be fixed in the junction of adjacent pipeline, correspond each steel framework to be connected in two guide bars, can make each steel framework install in the outside that corresponds first dog/second dog, and sealing member supports and pastes can make between sealing member, plugging member and each baffle and form the slip casting region behind each baffle, can make two pipelines firmly connect through the slip casting to slip casting region slip casting. In addition, when grouting the grouting area, the first steel pipe fitting and the second steel pipe fitting can play a role of reinforcing ribs, so that the connection stability between adjacent pipelines is improved, and the condition that the joint of the subsequent pipelines is disjointed again is reduced.
Optionally, a plurality of movable grooves are formed in the outer peripheral side of the first steel pipe fitting, and the movable grooves are located on one side, far away from the arc-shaped baffle, of the first steel pipe fitting; a movable block is arranged in each movable groove, and the movable direction of the movable block is arranged in the same direction as the radial direction of the first steel pipe fitting; a second spring is arranged between the movable block and the bottom wall of the movable groove; the second steel pipe fitting is provided with a mounting groove for sleeving the first steel pipe fitting, the inner peripheral wall of the mounting groove is provided with a plurality of limiting grooves, and each movable block is matched and clamped in the limiting groove.
By adopting the technical scheme, when the adjacent steel frameworks are connected with each other, the movable blocks on the periphery of the first steel pipe fitting can be extruded and completely enter the movable grooves by inserting the first steel pipe fitting into the mounting grooves of the adjacent second steel pipe fitting; when the first steel pipe fitting continues to move into the mounting groove and the movable block is enabled to move to a position opposite to the limiting groove, the movable block can be automatically clamped into the limiting groove under the action of the elastic force of the second spring, so that the first steel pipe fitting is firmly connected to the second steel pipe fitting. The whole installation process does not need auxiliary tools, so that the installation between adjacent steel frameworks is convenient and quick.
Optionally, the spacing groove is the logical groove that runs through to second steel pipe fitting periphery wall, the movable block joint is exposed in the spacing groove in part behind the spacing groove.
Through adopting foretell technical scheme, after first steel pipe fitting is firm to be connected in the second steel pipe fitting, the movable block can locally expose in the second steel pipe fitting, and follow-up sealing paste can wrap up the movable block that exposes after pouring into sealing paste to the slip casting region into to further improve the connection steadiness between the adjacent pipeline.
Optionally, the sealing component comprises thin steel sheets, the thin steel sheets are arranged on the two pipelines in a straddling mode, and the thin steel sheets are driven by the air bags to expand outwards and are attached to the inner cambered surfaces of the arc-shaped baffles.
Through adopting foretell technical scheme, the steel sheet strides to locate after two pipelines through the gasbag drive outwards expansion, can make the steel sheet support tightly in the inside arc baffle of pipeline to form the slip casting region that is used for injecting into sealing paste between steel sheet, arc baffle and the pipeline inner wall.
Optionally, the device further comprises a reinforcing bracket arranged in the thin steel sheet, wherein the reinforcing bracket comprises two mutually hinged hinge brackets, each hinge bracket comprises two support rods used for being abutted against the inner wall of the thin steel sheet and a connecting rod rotationally connected with the two support rods, and the adjacent support rods of the two adjacent hinge brackets are mutually hinged; the connecting rod and the supporting rod are vertically arranged; an operating rod used for controlling the two articulated frames to be close to each other is arranged between the two connecting rods, the operating rod is rotationally connected with one connecting rod, and the operating rod is in threaded connection with the other connecting rod.
Through adopting foretell technical scheme, after sealing slurry solidification shaping and with thin steel sheet and pipeline inner wall firm connection, with the help of the haulage equipment with the enhancement support draw to inside the thin steel sheet to make the enhancement support stay in the junction of adjacent pipeline, then control the control lever and make two connecting rods be close to each other, the both ends of every bracing piece can both match the butt in the inner wall of pipeline this moment, thereby play the effect of firm support to the pipeline, further reduce the condition that follow-up pipeline interface department is the disjoint again.
Optionally, the connecting rod is located at one end of the supporting rod near the inner top wall of the pipeline.
Through adopting foretell technical scheme, set up the connecting rod in the one end that the bracing piece is close to the pipeline inner roof, can reduce the inside waste material of water by the condition of connecting rod interception when follow-up pipeline drainage to reduce the possibility that drainage pipe is blocked by the foreign matter.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the plugging parts are arranged to block the staggered joint parts of the adjacent pipelines, so that the condition that external soil enters the interior of the pipelines can be reduced, and the subsequent solidification and molding of sealing slurry are facilitated;
2. after a sealing area is formed among the sealing component, the plugging component and the inner wall of the pipeline, sealing slurry is injected into the sealing area, so that adjacent pipelines can be firmly connected, the pipelines can be quickly repaired, the construction period is shortened, and the construction difficulty is reduced;
3. through setting up the steel framework, can wrap up the steel framework in after the shaping is pour to the sealing thick liquids, be favorable to improving the structural strength of the sealing thick liquids after solidifying to improve the connection steadiness between the adjacent pipeline.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a schematic structural view of the present embodiment when the seal member is not mounted;
FIG. 3 is a schematic view of the structure of the plugging member in this embodiment;
fig. 4 is an enlarged view at a in fig. 2;
fig. 5 is an enlarged view at B in fig. 4;
fig. 6 is a schematic view of the structure in which the reinforcing bracket is attached to the inner peripheral side of the seal member in this embodiment.
Reference numerals illustrate: 1. a blocking member; 11. a first stopper; 111. a first connection portion; 112. a chute; 12. a second stopper; 121. a second connecting portion; 122. a sliding rod; 13. a first spring; 14. a pulley; 15. a guide rod; 2. a sealing member; 3. a steel frame; 31. an arc baffle; 311. grouting holes; 32. a first steel pipe fitting; 321. a movable groove; 322. a movable block; 323. a second spring; 33. a second steel pipe fitting; 331. a mounting groove; 332. a limit groove; 4. grouting areas; 5. a hinge bracket; 51. a support rod; 52. a connecting rod; 53. a joystick; 54. a gear.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
The embodiment of the application discloses a local repair structure for a steel lining of a drainage pipeline, which is used for rapidly repairing a dislocation position when serious dislocation occurs at an interface of two pipelines.
Referring to fig. 1, a drainage pipeline steel lining local repair structure comprises a plugging member 1, a sealing member 2 and a plurality of steel frameworks 3, wherein the plugging member 1 is arranged at the joint of two pipelines and is positioned inside the pipelines.
Referring to fig. 2, the plugging member 1 includes a first stopper 11 and a second stopper 12 symmetrically disposed, the first stopper 11 and the second stopper 12 are respectively located inside two pipes, and the first stopper 11 and the second stopper 12 are respectively abutted against end walls of adjacent pipes. The first stopper 11 and the second stopper 12 are both provided as arc blocks, and the specific size needs to be determined according to the picture photographed by the CCTV pipeline photographing apparatus. The specific operation is as follows: by shooting the dislocation condition in the pipelines, calculating the axis offset and the axis offset angle between the two pipelines, simultaneously calculating the shape and the area of the overlapped area between the two pipelines, and processing the shape area of the first stop block 11/the second stop block 12 into the shape area and the phase adaptation of the shape area of the overlapped area.
Referring to fig. 3, in the present embodiment, two first connection portions 111 are fixed to the first stopper 11, and the two first connection portions 111 are respectively located at two sides of the arc direction of the first stopper 11; each first connecting portion 111 is provided with a sliding groove 112, the sliding groove 112 is a through groove penetrating through two sides of the first connecting portion 111, and an extension direction of the sliding groove 112 is the same as an extension direction of the first connecting portion 111. The second stop block 12 is fixed with two second connecting parts 121, and the two second connecting parts 121 are respectively positioned at two sides of the arc direction of the first stop block 11; a sliding rod 122 is vertically fixed to one side of the second connecting portion 121 facing the first connecting portion 111, and the sliding rod 122 is disposed through the chute 112 and is movable along the extending direction of the chute 112.
Referring to fig. 3, a ball head is disposed at an end of the sliding groove 112 away from the second connecting portion 121, and an outer diameter of the ball head is larger than a width of a notch of the sliding groove 112, so as to reduce the occurrence of the sliding rod 122 being separated from the sliding groove 112; a first spring 13 is further connected between the sliding rod 122 and the chute 112, and the first spring 13 is in a normal compression state, so that an elastic force acting on the sliding rod 122 can be always generated.
Referring to fig. 3, a plurality of pulleys 14 are respectively fixed to opposite sides of the first stopper 11 and the second stopper 12, and outer edges of the pulleys 14 are flush with an outer arc surface of the connected first stopper 11/an outer arc surface of the connected second stopper 12. The pulleys 14 of the present embodiment are provided as unidirectional wheels, and the rotation axis of each pulley 14 is disposed in the same direction as the radial direction of the connected first stopper 11/the connected second stopper 12. The pulley 14 can facilitate the movement of the first stop block 11 and the second stop block 12 in the pipeline, and further facilitate the installation of the plugging member 1.
Referring to fig. 2 and 3, when the plugging member 1 of the present application is specifically installed, the first stop block 11 and the second stop block 12 are placed inside the pipes, and the angle of placement of the first stop block 11 and the second stop block 12 inside the pipes is determined by the axial offset and the axial offset angle between the two pipes; at this time, the first stop block 11 and the second stop block 12 can be always abutted against the inner wall of the pipeline under the elastic force of the first spring 13. Then the plugging part 1 is driven to move inwards by traction equipment, and the unidirectional rotation of the pulley 14 can enable the first stop block 11 and the second stop block 12 to keep an inclined angle and gradually move towards the direction close to the pipeline connection position; after the first stop block 11 enters another pipeline, the first stop block 11 can outwards move and abut against the inner wall of the other pipeline under the action of the elastic force of the first spring 13, and at the moment, the first stop block 11 and the second stop block 12 can respectively abut against the end walls of the adjacent pipelines to block the staggered joint parts of the adjacent pipelines, so that the condition that external soil enters the pipeline is reduced.
Referring to fig. 3 and 4, two guide rods 15 are respectively fixed on opposite sides of the first stop block 11 and the second stop block 12, and the guide rods 15 are used for installing each steel frame 3, so that the steel frames 3 can be positioned outside the first stop block 11/the second stop block 12 after being installed through the guide rods 15; in this embodiment, each guide rod 15 is vertically arranged with the first stop block 11/the second stop block 12 connected therewith, and each guide rod 15 is arranged in a dislocation manner with the pulley 14; the guide rod 15 can be formed by splicing a plurality of sub rods with shorter lengths in the pipeline, so that the guide rod 15 is convenient to transport and is convenient to install in the pipeline.
Referring to fig. 2 and 4, the steel frame 3 includes an arc baffle 31, a first steel pipe 32 and a second steel pipe 33, wherein the arc baffle 31 is crescent-shaped, the arc baffle 31 is provided with two insertion holes, and two guide rods 15 can be inserted into the insertion holes respectively, so that the arc baffle 31 can move along the guide rods 15 in a direction approaching to the first baffle/the second baffle; the arc baffle 31 is also provided with grouting holes 311 for grouting sealing slurry.
Referring to fig. 4, the first steel pipe 32 is provided in plurality, and all the first steel pipe 32 are fixed to the same side of the arc-shaped baffle 31; the number of the second steel pipe fittings 33 is set to be equal to the number of the first steel pipe fittings 32, and all the second steel pipe fittings 33 are fixed to the other side of the arc-shaped baffle plate 31; each second steel pipe 33 can be fixedly connected with the adjacent first steel pipe 32 of the adjacent steel frame 3, so that the adjacent steel frames 3 are firmly connected.
Referring to fig. 4 and 5, the outer diameter of the first steel pipe member 32 is smaller than the outer diameter of the second steel pipe member 33 in the present embodiment; the outer peripheral side of the first steel pipe fitting 32 is provided with a plurality of movable grooves 321, and the movable grooves 321 are positioned at one end of the first steel pipe fitting 32 far away from the arc-shaped baffle plate 31; each movable groove 321 is internally provided with a movable block 322, and the movable direction of the movable block 322 is arranged in the same direction as the radial direction of the first steel pipe fitting 32; a second spring 323 is connected between the movable block 322 and the bottom wall of the movable groove 321, and when the second spring 323 is in a natural extension state, the movable block 322 can be partially exposed out of the movable groove 321; when the movable block 322 is forced and moved toward the movable groove 321, the movable block 322 can gradually press the second spring 323 and finally completely enter the movable groove 321.
Referring to fig. 4 and 5, a mounting groove 331 is formed in a side, far away from the arc-shaped baffle 31, of the second steel pipe fitting 33, and an inner diameter of the mounting groove 331 is equal to an outer diameter of the first steel pipe fitting 32, so that the first steel pipe fitting 32 can be inserted into the mounting groove 331 in a matching manner. The inner peripheral wall of the installation groove 331 is provided with a plurality of limiting grooves 332, the number of the limiting grooves 332 is equal to that of the movable blocks 322, and each limiting groove 332 is a through groove penetrating to the outer peripheral wall of the second steel pipe fitting 33.
Referring to fig. 4 and 5, when the first steel pipe 32 is inserted into the installation groove 331, the movable block 322 can be forced to move inward and press the second spring 323; when the first steel pipe fitting 32 continues to move towards the bottom wall of the installation groove 331 so that the movable block 322 moves to a position opposite to the limit groove 332, the elastic force of the second spring 323 can enable the movable block 322 to move outwards and insert into the limit groove 332, so that the first steel pipe fitting 32 and the second steel pipe fitting 33 are firmly connected; at this time, the movable block 322 can be partially exposed from the limiting slot 332.
Referring to fig. 1, the sealing member 2 is provided inside the first stopper 11, the second stopper 12, and the respective arcuate baffles 31; the seal member 2 of the present embodiment is provided as a thin steel sheet which spans two pipes and which is outwardly expanded by the air bag drive and is attached to the intrados of each of the arcuate baffles 31.
Referring to fig. 1, when the thin steel sheet is installed, the thin steel sheet is wrapped on the outer peripheral side of the air bag, and then the air bag is driven to move towards the inside of the pipeline by traction equipment, so that the air bag stays at the connecting part of the adjacent pipeline; then the air bag is inflated to expand the air bag outwards, and the expanded air bag can push the thin steel sheet to expand outwards and enable the thin steel sheet to be abutted against the inner cambered surface of each cambered baffle plate 31. The sheet steel, the blocking element 1 and the individual arcuate baffles 31 together form a sealed grouting area 4.
Referring to fig. 1 and 2, grouting holes 311 of each arc baffle 31 are commonly connected with grouting pipes, sealing slurry can be injected into the grouting area 4 through the grouting pipes, and the grouting pipes can be gradually moved outwards according to grouting speed during grouting, so that the sealing slurry in the grouting area 4 is uniform; after the sealing slurry is solidified and molded, the joint of the two pipelines can be firmly sealed, the wall thickness of the pipeline is thickened, and the condition that the joint of the subsequent pipelines is disjointed again is reduced. After the sealing slurry is solidified and formed, the gas in the air bag is pumped out, and the air bag can be driven to leave the pipeline through the traction equipment.
Referring to fig. 1 and 6, the drainage pipeline steel lining local repair structure further comprises a reinforcing bracket arranged in the thin steel sheet, wherein the reinforcing bracket comprises two hinged frames 5 hinged with each other, and the rotation axes of the two hinged frames 5 are perpendicular to the central axis of the thin steel sheet. Each articulated frame 5 comprises a connecting rod 52 and two supporting rods 51, and the adjacent supporting rods 51 of the two adjacent articulated frames 5 are mutually articulated; each supporting rod 51 is rotatably connected to a connecting rod 52 and is arranged perpendicular to the connecting rod 52, and the connecting rod 52 is positioned at one end of the supporting rod 51 close to the inner top wall of the pipeline; an operating rod 53 is arranged between the two connecting rods 52 of the two hinge brackets 5, the operating rod 53 penetrates through one connecting rod 52 and is in threaded connection with the connecting rod 52, and one end part of the operating rod 53 is in rotary connection with the other rotating rod; one end of the control rod 53 far away from the connecting rod 52 is fixed with a gear 54, and the gear 54 is driven to rotate through external equipment to drive the control rod 53 to rotate, so that the two hinge brackets 5 are driven to be close to each other, each supporting rod 51 can be abutted against the inner wall of the pipeline, and the possibility of secondary disjointing at the joint of the subsequent pipeline is further reduced.
The implementation principle of the local repair structure of the steel lining of the drainage pipeline provided by the embodiment of the application is as follows:
when the drainage pipeline is locally repaired, firstly, the dislocation condition of the joint of two pipelines is shot through CCTV pipeline shooting equipment, and then the plugging part 1 is arranged at the joint of the two pipelines, so that the first stop block 11 and the second stop block 12 respectively plug the joint of the pipelines; then install steel truss 3 on corresponding guide bar 15 one by one to bring the thin steel sheet into the junction of two pipelines with the help of haulage equipment, form grouting area 4 through control gasbag inflation, and pour into sealing paste into in the grouting area 4, can repair the junction of two pipelines fast, be favorable to shortening construction cycle and reduce the construction degree of difficulty, and have energy-concerving and environment-protective advantage.
The above is a preferred embodiment of the present application, and is not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A drainage pipe steel inside lining local repair structure which characterized in that: the sealing device comprises a sealing part (1) and a sealing part (2), wherein the sealing part (1) is arranged at the position of a staggered joint of two pipelines and is positioned in the pipelines, the sealing part (2) is positioned at the inner peripheral side of the sealing part (1), and sealing slurry is filled between the sealing part (2) and the sealing part (1); the plugging component (1) comprises a first stop block (11) and a second stop block (12) which are symmetrically arranged, wherein the first stop block (11) and the second stop block (12) are arc-shaped blocks, and the first stop block (11) and the second stop block (12) are connected in a sliding manner and distributed in two pipelines; the first stop block (11) and the second stop block (12) are respectively abutted against the end walls of the adjacent pipelines;
the first stop block (11) is fixedly provided with a first connecting part (111), and the first connecting part (111) is provided with a chute (112); the second stop block (12) is fixedly provided with a second connecting part (121), one side of the second connecting part (121) facing the first connecting part (111) is provided with a sliding rod (122), and the sliding rod (122) is slidably arranged on the sliding groove (112) and can move along the sliding groove (112); a first spring (13) is connected between the sliding rod (122) and the sliding groove (112), and the first spring (13) is used for enabling the first stop block (11) and the second stop block (12) to be always abutted against the inner wall of the pipeline.
2. The drainage pipeline steel lining local repair structure according to claim 1, wherein: a plurality of pulleys (14) are respectively fixed on opposite sides of the first stop block (11) and the second stop block (12), the pulleys (14) are unidirectional wheels, and the rotating axis of each pulley (14) is perpendicular to the radial direction of the connected first stop block (11)/second stop block (12).
3. The drainage pipeline steel lining local repair structure according to claim 1, wherein: two guide rods (15) are vertically fixed on opposite sides of the first stop block (11) and the second stop block (12), a plurality of steel frameworks (3) are commonly connected between two adjacent guide rods (15), and the adjacent steel frameworks (3) are mutually fixed;
the steel framework (3) comprises an arc-shaped baffle plate (31), a first steel pipe fitting (32) and a second steel pipe fitting (33) which are respectively fixed on two sides of the arc-shaped baffle plate (31), and the first steel pipe fitting (32) and the adjacent second steel pipe fitting (33) are connected with each other; the arc-shaped baffle plate (31) is crescent-shaped, and the arc-shaped baffle plate (31) is provided with a grouting hole (311) for grouting; the intrados of the arc-shaped baffle plates (31) is abutted against the outer peripheral side of the sealing component (2), and a grouting area (4) for filling the sealing slurry is formed among the sealing component (2), the plugging component (1) and each arc-shaped baffle plate (31).
4. A drainage pipeline steel lining local repair structure according to claim 3, wherein: the periphery side of the first steel pipe fitting (32) is provided with a plurality of movable grooves (321), and the movable grooves (321) are positioned at one side of the first steel pipe fitting (32) far away from the arc-shaped baffle plate (31); a movable block (322) is arranged in each movable groove (321), and the movable direction of the movable block (322) is arranged in the same direction as the radial direction of the first steel pipe fitting (32); a second spring (323) is arranged between the movable block (322) and the bottom wall of the movable groove (321); the second steel pipe fitting (33) is provided with a mounting groove (331) for sleeving the first steel pipe fitting (32), the inner peripheral wall of the mounting groove (331) is provided with a plurality of limiting grooves (332), and each movable block (322) is matched and clamped in the limiting groove (332).
5. The drainage pipeline steel lining local repair structure according to claim 4, wherein: the limiting groove (332) is a through groove penetrating through the outer peripheral wall of the second steel pipe fitting (33), and the movable block (322) is clamped in the limiting groove (332) and then is partially exposed out of the limiting groove (332).
6. A drainage pipeline steel lining local repair structure according to claim 3, wherein: the sealing part (2) comprises thin steel sheets which are arranged on two pipelines in a straddling mode, and the thin steel sheets are driven by the air bags to expand outwards and are attached to the inner cambered surfaces of the arc-shaped baffles (31).
7. The drainage pipeline steel lining local repair structure according to claim 6, wherein: the steel sheet reinforcing device comprises a steel sheet, and is characterized by further comprising a reinforcing support arranged in the steel sheet, wherein the reinforcing support comprises two mutually hinged hinge brackets (5), each hinge bracket (5) comprises two support rods (51) used for being abutted against the inner wall of the steel sheet and a connecting rod (52) rotatably connected with the two support rods (51), and the adjacent support rods (51) of two adjacent hinge brackets (5) are mutually hinged; the connecting rod (52) and the supporting rod (51) are vertically arranged; an operating rod (53) for controlling the two articulated frames (5) to approach each other is arranged between the two connecting rods (52), the operating rod (53) is rotationally connected with one connecting rod (52), and the operating rod (53) is in threaded connection with the other connecting rod (52).
8. The drainage pipeline steel lining local repair structure according to claim 7, wherein: the connecting rod (52) is positioned at one end of the supporting rod (51) close to the inner top wall of the pipeline.
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| CN114382153B true CN114382153B (en) | 2023-12-08 |
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| CN114382153A (en) | 2022-04-22 |
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