CN117721892A - Non-excavation repairing device and repairing method for urban drainage pipeline - Google Patents
Non-excavation repairing device and repairing method for urban drainage pipeline Download PDFInfo
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- CN117721892A CN117721892A CN202410104658.0A CN202410104658A CN117721892A CN 117721892 A CN117721892 A CN 117721892A CN 202410104658 A CN202410104658 A CN 202410104658A CN 117721892 A CN117721892 A CN 117721892A
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008093 supporting effect Effects 0.000 claims abstract description 64
- 230000001680 brushing effect Effects 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000008439 repair process Effects 0.000 claims abstract description 23
- 238000005336 cracking Methods 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 description 8
- 239000003292 glue Substances 0.000 description 5
- 238000005201 scrubbing Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The application discloses a non-excavation repair device and a repair method for an urban drainage pipeline, wherein the non-excavation repair device comprises a central cylinder, a traction mechanism, a plurality of arc supporting plates, a brushing mechanism and an annular lining structure, wherein the central cylinder is positioned in the drainage pipeline, and the traction mechanism is used for dragging the central cylinder towards the pipe orifice direction of the drainage pipeline; the circumference of the plurality of arc supporting plates is distributed on the periphery of the central cylinder, the peripheral wall of the central cylinder is provided with a plurality of telescopic supporting pieces, the plurality of telescopic supporting pieces are radially arranged on the periphery of the central cylinder, the plurality of telescopic supporting pieces are in one-to-one correspondence with the plurality of arc supporting plates, the arc supporting plates are connected with the telescopic supporting pieces, and the outer convex surfaces of the plurality of arc supporting plates are propped against and contacted with the inner wall of the drainage pipeline; the brushing mechanism is propped against the inner wall of the drainage pipeline and rotationally brushes the inner wall of the drainage pipeline in the process of following the central cylinder; the annular lining structure is used for covering and adhering to a cracking area of the inner wall of the drainage pipeline; the application has the effect of improving the pipeline repair efficiency.
Description
Technical Field
The application relates to the field of pipeline trenchless rehabilitation, in particular to a device and a method for repairing urban drainage pipelines trenchless.
Background
Along with the continuous development of cities, building construction projects are increased, and the excavation of an underground structure is easy to cause the deformation or cracking of old drainage pipelines of the cities, so that the water seepage phenomenon occurs. At present, a non-excavation mode is often adopted for pipeline repair, and the non-excavation local repair of the drainage pipeline is a technology for repairing the drainage pipeline, and does not need to excavate or destroy the ground on a large scale. Such repair methods are generally applicable to small-scale damage or failure of the drain pipe, such as cracks in the pipe, root intrusion, joint failure, and the like.
In the process of non-excavation repair of pipelines, the drainage pipelines are comprehensively inspected and evaluated by using professional detection tools such as a closed-circuit television camera, so that specific problems in the pipelines and the required repair range can be determined; before repair, the drain pipe needs to be cleaned to remove the accumulated objects and the plugs, and the cleaning can be performed by a high-pressure water jet or a wire brush. Ensuring clean and accessible pipelines is a key step for implementing repair, and a proper non-excavation local repair method is selected according to the specific conditions of the pipelines. Common repair methods include patch materials, epoxy coatings, pipe liners, and the like. These methods are all aimed at repairing or reinforcing damaged portions of the pipeline to restore normal functions thereof, however, the steps of repairing and cleaning the pipeline are mostly carried out by entering the pipeline by maintenance personnel, so that the efficiency of repairing the pipeline is affected, and therefore, there is still room for improvement.
Disclosure of Invention
In order to improve pipeline restoration efficiency, the application provides a non-excavation restoration device and restoration method for urban drainage pipelines.
The non-excavation restoration device and restoration method for the urban drainage pipeline adopt the following technical scheme:
a non-excavation repair device for an urban drainage pipeline, comprising:
the central cylinder is positioned in the drainage pipeline, and the traction mechanism is used for traction of the central cylinder towards the pipe orifice direction of the drainage pipeline;
the arc-shaped supporting plates are circumferentially distributed on the periphery of the central cylinder, a plurality of telescopic supporting pieces are arranged on the peripheral wall of the central cylinder, a plurality of telescopic supporting pieces are radially arranged on the periphery of the central cylinder, the telescopic supporting pieces are in one-to-one correspondence with the arc-shaped supporting plates, the inner concave surfaces of the arc-shaped supporting plates are connected with one end, far away from the central cylinder, of the telescopic supporting pieces, and the outer convex surfaces of the arc-shaped supporting plates are in propping contact with the inner wall of the drainage pipeline;
the brushing mechanism is arranged at the end part of the central cylinder and is propped against the inner wall of the drainage pipeline, and the brushing mechanism rotationally brushes the inner wall of the drainage pipeline in the process of following the central cylinder;
the annular lining structure is used for covering and adhering to a cracking area of the inner wall of the drainage pipeline;
after the inner wall area of the drainage pipeline is scrubbed, a plurality of telescopic supporting pieces drive corresponding arc supporting plates to gather together towards the direction of the central cylinder, the annular lining structure is sleeved on the outer convex surfaces of the arc supporting plates, and the telescopic supporting pieces drive the corresponding arc supporting plates to spread towards the inner wall of the drainage pipeline so as to tightly prop and fix the annular lining structure on the inner wall of the drainage pipeline.
Through adopting above-mentioned technical scheme, central section of thick bamboo and a plurality of arc fagging do drainage pipe non-excavation prosthetic devices's major structure, under traction mechanism's traction, arc fagging is as sliding structure, under telescopic supporting piece's jack action, guarantee that non-excavation prosthetic devices's major structure steadily removes to the fracture region of drainage pipe inner wall, when non-excavation prosthetic devices's major structure marches the fracture region of drainage pipe inner wall, brushing mechanism is rotatory to the drainage pipe inner wall and is scrubbed, so that drainage pipe inner wall keeps neatly, be convenient for the adhesion of viscose, at this moment, under telescopic supporting piece's drive, a plurality of arc fagging are gathered together towards central section of thick bamboo direction, thereby realize arc fagging and drainage pipe separation, so that establish annular lining structure cover in arc fagging periphery, under telescopic supporting piece's drive, a plurality of arc fagging support structures support tightly and cementate the fracture region of inner wall department at the drainage pipe, finally realize the restoration to the pipeline, be favorable to improving pipeline restoration efficiency.
Preferably, the brushing mechanism comprises a rotating shaft rotatably connected to the end part of the central cylinder, an end cylinder radially arranged on the outer peripheral surface of the rotating shaft and a driving piece for driving the rotating shaft to rotate, one end, far away from the rotating shaft, of the end cylinder is provided with a mounting block, and one end, far away from the end cylinder, of the mounting block is provided with bristles.
Through adopting above-mentioned technical scheme, realize the rotation of pivot and tip cylinder through the driving piece, realize the rotatory scrubbing purpose of brush hair to drainage pipe inner wall, the tip cylinder can change the distance between brush hair and the pivot to make brushing mechanism can adapt to the drainage pipe of the unable radius size, be favorable to improving the adaptability of pipeline non-excavation prosthetic devices.
Preferably, the traction mechanism is a winch, a traction rope of the winch and the rotating shaft are arranged at the same end of the central cylinder, and the traction rope of the winch penetrates through the rotating shaft along the axis of the rotating shaft.
Through adopting above-mentioned technical scheme, haulage rope and pivot setting are in the same one end of a central section of thick bamboo for brushing the mechanism setting in pipeline non-excavation prosthetic devices's front end, pipeline non-excavation prosthetic devices's main part slides in the drainage pipe inner wall department after brushing, is favorable to pipeline non-excavation prosthetic devices's stable removal, and the haulage rope runs through the pivot along the axis of pivot, is favorable to haulage mechanism to pull pipeline non-excavation prosthetic devices's main part under the circumstances that does not influence brushing mechanism normal rotatory scrubbing work.
Preferably, the driving piece comprises a brushing motor and a gear set, wherein the brushing motor is arranged on the outer side wall of the central cylinder, one gear of the gear set is fixedly connected with an output shaft of the brushing motor in a coaxial way, the other gear of the gear set is fixedly connected with a rotating shaft in a coaxial way, and the rotating shaft rotates under the driving of the brushing motor and the meshing transmission of the gear set.
Through adopting above-mentioned technical scheme, the pivot rotates under the meshing transmission of scrubbing motor and gear train, is favorable to driving tip cylinder and brush hair and rotates, realizes the automatic scrubbing work of scrubbing mechanism.
Preferably, the outside of the central cylinder is in a prismatic structure, the telescopic jacking piece is a middle cylinder, and the bottom of the cylinder body of the middle cylinder is arranged on the side surface of the central cylinder.
Through adopting above-mentioned technical scheme, fix the side at the prism with middle part cylinder, reach firm effect, realize gathering together and strutting of arc fagging through the drive of middle part cylinder, be favorable to improving drainage pipe non-excavation prosthetic devices's overall stability.
Preferably, the side surface of the central cylinder is slidably connected with a plurality of sliding cylinders, the sliding cylinders slide along the length direction of the central cylinder, and the sliding cylinders and the middle cylinders are circumferentially distributed at intervals along the central cylinder; the sliding cylinder is perpendicular to the central cylinder, a pulley is arranged at one end, far away from the central cylinder, of the sliding cylinder, a linkage mechanism for driving a plurality of sliding cylinders to synchronously move is arranged on the central cylinder, and when a plurality of arc supporting plates gather towards the central cylinder, the pulley abuts against and contacts with the inner wall of the drainage pipeline.
Through adopting above-mentioned technical scheme, when a plurality of arc fagging gather together towards the central section of thick bamboo direction, there is the trend of declining at central section of thick bamboo tip, be convenient for maintenance personal establishes annular lining structure cover at a plurality of central section of thick bamboo outer peripheral surfaces, support to drainage pipe inner wall through the pulley of a plurality of slip cylinder tip to keep pipeline non-excavation prosthetic devices's overall stability, establish the in-process at annular lining structure's cover, slip cylinder moves towards pipeline non-excavation prosthetic devices's front end direction under link gear's drive, for annular lining structure vacate the space, annular lining structure's cover is established the step of being convenient for.
Preferably, a hook is arranged at the end part of a piston rod of the sliding cylinder, a plurality of connecting rings are arranged at the end part of the annular lining structure, the plurality of hooks are in one-to-one correspondence with the plurality of connecting rings, and the hooks are hooked with the connecting rings.
Through adopting above-mentioned technical scheme, when a plurality of slip cylinders synchronous motion vacated the space for annular lining structure, also through the hook-up mode of couple and go-between, take annular lining structure to the outside of a plurality of arc fagging, follow-up cementation operation of being convenient for.
The non-excavation repairing method for the urban drainage pipeline adopts a non-excavation repairing device for the urban drainage pipeline, and comprises the following steps of:
s1: placing the pipeline non-excavation repairing device at the initial section of the drainage pipeline, enabling a plurality of middle air cylinders to drive corresponding arc supporting plates to prop against and contact the inner wall of the drainage pipeline, enabling a plurality of end air cylinders to drive corresponding bristles to prop against the inner wall of the drainage pipeline, and enabling the annular lining structure to be firmly fixed at the rear end of the pipeline non-excavation repairing device through hooking of the hooks and the connecting rings;
s2: starting a brushing motor and a winch, and enabling the pipeline trenchless repairing device to integrally move towards the end point section direction of the drainage pipeline, wherein bristles of the brushing mechanism brush the inner wall of the drainage pipeline in a rotating manner;
s3: when the pipeline non-excavation repairing device moves to a cracking area of the inner wall of the drainage pipeline, the winch and the brushing motor stop working, the sliding cylinders drive the pulleys to prop against the inner wall of the drainage pipeline, the middle cylinders drive the corresponding arc supporting plates to gather towards the direction of the central cylinder, and the sliding cylinders and the end cylinders support the pipeline non-excavation repairing device together;
s4: starting a linkage mechanism to drive a plurality of sliding cylinders to move towards the front end direction of the pipeline trenchless repairing device, and conveying an annular lining structure to a cracking area of the inner wall of the drainage pipeline, wherein the annular lining structure is sleeved on the outer sides of a plurality of arc supporting plates;
s5: starting a middle cylinder to drive a plurality of arc supporting plates to open towards the inner wall of the drainage pipeline, propping the annular lining structure against the cracking area of the inner wall of the drainage pipeline, and then carrying out the cementing step of the annular lining structure and the inner wall of the drainage pipeline.
Through adopting above-mentioned technical scheme, under the traction of hoist engine, pipeline non-excavation prosthetic devices advances in the drain pipe, brushing mechanism is rotatory to scrub the drain pipe inner wall in pipeline non-excavation prosthetic devices front end department simultaneously, pipeline non-excavation prosthetic devices's rear end is pulled along annular lining structure, when reaching fracture region department, the slip cylinder removes under the drive of link gear to draw annular lining structure to the arc fagging outside, annular lining structure's cover establishes the step and need not artifical the participation, is favorable to reducing workman working strength, and improve pipeline repair efficiency.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the main structure of the pipeline non-excavation repairing device is characterized in that the central cylinder and the arc supporting plates are used as main structures of the pipeline non-excavation repairing device, under the traction of the traction mechanism, the arc supporting plates are used as sliding structures, under the supporting action of the telescopic supporting pieces, the main structure of the non-excavation repairing device is guaranteed to stably move to a cracking area of the inner wall of the drainage pipeline, when the main structure of the non-excavation repairing device advances to the cracking area of the inner wall of the drainage pipeline, the inner wall of the drainage pipeline is brushed by the brushing mechanism in a rotating mode, so that the inner wall of the drainage pipeline is kept clean and tidy, adhesion of viscose is facilitated, at the moment, the arc supporting plates are gathered towards the central cylinder under the driving of the telescopic supporting pieces, and therefore separation of the arc supporting plates from the drainage pipeline is achieved, the annular lining structure is sleeved on the periphery of the arc supporting plates, and the annular lining structure is abutted against and stuck to the cracking area of the inner wall of the drainage pipeline under the driving of the telescopic supporting pieces, and repairing of the pipeline is finally achieved, and the pipeline repairing efficiency is improved;
2. the sliding cylinder, the pulley and the linkage mechanism are arranged, so that the tendency of declination of the end part of the central cylinder when a plurality of arc supporting plates gather towards the direction of the central cylinder is solved, the pulleys at the end parts of the sliding cylinders are propped against the inner wall of the drainage pipeline to keep the overall stability of the pipeline non-excavation repairing device, in the sleeving process of the annular lining structure, the sliding cylinder moves towards the front end direction of the pipeline non-excavation repairing device under the driving of the linkage mechanism, a space is reserved for the annular lining structure, and the sleeving step of the annular lining structure is facilitated;
3. through the hook mode of couple and go-between, annular lining structure follows the slip cylinder and removes, and the slip cylinder will draw to the arc fagging outside under link gear's drive, and annular lining structure's cover is established the step and is not needed artifical the participation, is favorable to reducing workman working strength to improve pipeline repair efficiency. The annular lining structure is brought to the outer sides of the arc supporting plates, so that subsequent cementing operation is facilitated.
Drawings
Fig. 1 is a schematic view of a state of a non-excavation repair apparatus for an urban drainage pipeline moving in the drainage pipeline according to an embodiment of the present application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
Fig. 4 is an enlarged schematic view at C in fig. 1.
Fig. 5 is a schematic view illustrating a state when an annular lining structure is abutted against an inner wall of a drainage pipeline in the non-excavation repair apparatus for an urban drainage pipeline according to an embodiment of the present application.
Reference numerals illustrate: 1. a drainage pipe; 2. a central cylinder; 21. a chute; 3. arc supporting plates; 4. an annular liner structure; 41. an annular rubber sleeve; 42. an annular rubber outer edge; 43. a glue injection cavity; 44. a connecting ring; 5. a middle cylinder; 6. an end cylinder; 61. a mounting block; 62. brushing; 7. a rotating shaft; 71. a mounting groove; 8. a driving member; 81. a brushing motor; 82. a gear set; 9. a linkage mechanism; 91. an end motor; 92. a slide block; 93. a threaded sleeve; 94. a screw rod; 10. a sliding cylinder; 101. a pulley; 102. a hook; 11. a traction rope.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses non-excavation prosthetic devices of urban drainage pipeline includes:
referring to fig. 1 and 2, the central cylinder 2 and the traction mechanism, wherein the inside of the central cylinder 2 is hollow and the outside is in a regular hexagonal prism shape, when the drainage pipeline 1 is repaired, the central cylinder 2 is positioned in the drainage pipeline 1, and the front end of the central cylinder 2 faces the terminal end of the drainage pipeline 1. The traction mechanism is a winch, the winch is arranged at the terminal end of the drainage pipeline 1, and a traction rope 11 of the winch is fixedly connected to the front end of the central cylinder 2.
The three arc fagging 3, the circumference of three arc fagging 3 distributes in central section of thick bamboo 2 periphery, and the middle part of the side of central section of thick bamboo 2 periphery wall is fixed with three flexible jack-up piece perpendicularly, and flexible jack-up piece is middle part cylinder 5 specifically, and three middle part cylinder 5 and three arc fagging 3 one-to-one, and middle part cylinder 5 radially set up in central section of thick bamboo 2 periphery. The middle part of the inner concave surface of the arc-shaped supporting plate 3 is connected with one end, far away from the central cylinder 2, of the corresponding middle cylinder 5, and the outer convex surfaces of the arc-shaped supporting plates 3 are in propping contact with the inner wall of the drainage pipeline 1 so as to stabilize the pipeline trenchless repairing device in the drainage pipeline 1, the axis of the central cylinder 2 is coincident with the axis of the drainage pipeline 1, and a winch is convenient to drive the pipeline trenchless repairing device to stably move through traction.
The brushing mechanism is arranged at the front end of the central cylinder 2, abuts against the inner wall of the drainage pipeline 1, and rotates and brushes the inner wall of the drainage pipeline 1 in the process of following the central cylinder 2 to advance. In this embodiment, the brushing mechanism includes a rotating shaft 7 rotatably connected to the front end of the central cylinder 2, three end cylinders 6 radially disposed on the outer peripheral surface of the rotating shaft 7, and a driving member 8 for driving the rotating shaft 7 to rotate. The axis of the rotating shaft 7 coincides with the axis of the central cylinder 2, and a hauling rope 11 of the winch penetrates through the rotating shaft 7 along the axis of the rotating shaft 7. Three mounting grooves 71 are formed in the outer wall of the rotating shaft 7, and the three mounting grooves 71 are circumferentially distributed. The three end air cylinders 6 are in one-to-one correspondence with the three mounting grooves 71, the cylinder bottoms of the end air cylinders 6 are fixed in the corresponding mounting grooves 71, the mounting blocks 61 are fixed at one ends of the end air cylinders 6 far away from the rotating shaft 7, and the bristles 62 are arranged at one ends of the mounting blocks 61 far away from the end air cylinders 6. The driving piece 8 comprises a brushing motor 81 and a gear set 82, the brushing motor 81 is fixed on the outer side wall of the central cylinder 2, one gear of the gear set 82 is fixedly connected with the output shaft of the brushing motor 81 in a coaxial mode, the other gear of the gear set 82 is fixedly connected with the rotating shaft 7 in a coaxial mode, the rotating shaft 7 rotates under the driving of the brushing motor 81 and the meshing transmission of the gear set 82, and then the rotary brushing operation of the bristles 62 on the inner wall of the drainage pipeline 1 is achieved.
The annular lining structure 4, the annular lining structure 4 comprises an annular rubber sleeve 41 and annular rubber outer edges 42 arranged on two sides of the annular rubber sleeve 41, and the two annular rubber outer edges 42 are arranged on the outer side wall of the annular rubber sleeve 41 in a protruding mode. The annular lining structure 4 is used for covering and adhering to the cracking area of the inner wall of the drainage pipeline 1.
Referring to fig. 3 and 4, three sliding cylinders 10 are slidably connected to the side surface of the central cylinder 2, and sliding grooves 21 are respectively formed in three side surfaces of the central cylinder 2, which are distributed at intervals, the sliding grooves 21 extend along the length direction of the central cylinder 2, and the three sliding cylinders 10 are in one-to-one correspondence with the three sliding grooves 21. The three sliding cylinders 10 and the three middle cylinders 5 are circumferentially distributed at intervals along the central cylinder 2 so as to avoid interference of the sliding cylinders 10 caused by the sliding of the middle cylinders 5. The sliding cylinder 10 is perpendicular to the central cylinder 2, a pulley 101 is arranged at one end, far away from the central cylinder 2, of the sliding cylinder 10, and when a plurality of arc-shaped supporting plates 3 gather towards the central cylinder 2, the pulley 101 is in abutting contact with the inner wall of the drainage pipeline 1.
Specifically, the center tube 2 is provided with a linkage mechanism 9 for driving a plurality of sliding cylinders 10 to move synchronously. The linkage mechanism 9 comprises a screw rod 94 axially penetrating through the inner cavity of the central cylinder 2, a threaded sleeve 93 sleeved on the outer peripheral surface of the screw rod 94, an end motor 91 fixed at the rear end of the central cylinder 2 and three sliding blocks 92 fixed on the outer peripheral surface of the threaded sleeve 93, wherein the sliding grooves 21 are communicated with the inner cavity of the central cylinder 2, the three sliding blocks 92 are respectively and slidably connected in the three sliding grooves 21, the bottom of the cylinder body of the sliding cylinder 10 is respectively and fixedly connected with the corresponding sliding blocks 92, the screw rod 94 is rotatably connected inside the central cylinder 2, and an output shaft of the end motor 91 is fixedly connected with the screw rod 94 coaxially so as to achieve the aim of driving the three sliding cylinders 10 to synchronously move.
In addition, the sleeving step of the annular lining structure 4 is convenient, the end part of the piston rod of the sliding cylinder 10 is fixedly provided with the hooks 102, the end part of the annular lining structure 4 is fixedly provided with the three connecting rings 44, the three hooks 102 are in one-to-one correspondence with the three connecting rings 44, and the hooks 102 are hooked with the corresponding connecting rings 44.
The embodiment of the application also discloses a non-excavation repair method of the urban drainage pipeline, which adopts the non-excavation repair device of the urban drainage pipeline and comprises the following steps:
s1: the pipeline non-excavation repairing device is placed at the initial section of the drainage pipeline 1, the winch is arranged at the final section of the drainage pipeline 1, then the middle cylinder 5 is started, the middle cylinder 5 drives the corresponding arc-shaped supporting plate 3 to be propped against the inner wall of the drainage pipeline 1 so as to keep the stability of the pipeline non-excavation repairing device in the drainage pipeline 1, and then the end cylinder 6 is started so as to drive the corresponding brush hair 62 to be propped against the inner wall of the drainage pipeline 1 so as to be scrubbed. The annular lining structure 4 is firmly fixed at the rear end of the pipeline trenchless repairing device through the hooking connection of the hooks 102 and the connecting ring 44 of the sliding cylinder 10.
S2: simultaneously, the brushing motor 81 and the winch are started, the pipeline non-excavation repairing device integrally moves towards the end section direction of the drainage pipeline 1 under the traction action of the winch, and meanwhile, the bristles 62 of the brushing mechanism brush the inner wall of the drainage pipeline 1 in a rotating manner so as to brush the inner wall of the drainage pipeline 1 in a rotating manner.
S3: when the pipeline non-excavation repairing device moves to a cracking area of the inner wall of the drainage pipeline 1, the winch and the brushing motor 81 stop working, the three sliding cylinders 10 drive the pulleys 101 to prop against the inner wall of the drainage pipeline 1, then the three middle cylinders 5 drive the corresponding arc supporting plates 3 to gather towards the direction of the central cylinder 2, space is reserved for the annular lining structure 4, and at the moment, the sliding cylinders 10 and the end cylinders 6 support the pipeline non-excavation repairing device together to keep the stability of the pipeline non-excavation repairing device.
S4: referring to fig. 3 and 5, the end motor 91 of the linkage mechanism 9 is started, under the driving of the screw rod 94 and the guiding action of the chute 21, the plurality of sliding cylinders 10 move towards the front end direction of the pipeline trenchless repairing device and send the annular lining structure 4 to the cracking area of the inner wall of the drainage pipeline 1, and the annular lining structure 4 is sleeved outside the three arc supporting plates 3.
S5: starting the middle cylinder 5 to drive the three arc fagging 3 to prop open towards the inner wall direction of the drainage pipeline 1, propping the annular rubber outer edge 42 of the annular lining structure 4 against the inner wall of the drainage pipeline 1, covering the cracking area of the inner wall of the drainage pipeline 1 by the annular lining structure 4, forming a closed glue injection cavity 43 by the inner wall of the drainage pipeline 1, the annular rubber sleeve 41 and the annular rubber outer edge 42, injecting sealant into the glue injection cavity 43, wherein the sealant is UV glue, filling the glue injection cavity 43 with the sealant, and curing by ultraviolet lamp irradiation in time. The annular lining structure 4 finally adheres to the inner wall of the drain pipe 1 in the cracked area. Finally, the hook 102 and the connecting ring 44 are unhooked, and the pipeline trenchless repairing device is pulled out of the drainage pipeline 1 through the hauling rope 11.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a non-excavation prosthetic devices of urban drainage pipeline which characterized in that: comprising the following steps:
the drainage pipe comprises a central cylinder (2) and a traction mechanism, wherein the central cylinder (2) is positioned in a drainage pipeline (1), and the traction mechanism is used for traction of the central cylinder (2) towards the pipe orifice direction of the drainage pipeline (1);
the device comprises a plurality of arc supporting plates (3), wherein the arc supporting plates (3) are circumferentially distributed on the periphery of a central cylinder (2), a plurality of telescopic supporting pieces are arranged on the peripheral wall of the central cylinder (2), the telescopic supporting pieces are radially arranged on the periphery of the central cylinder (2), the telescopic supporting pieces are in one-to-one correspondence with the arc supporting plates (3), the inner concave surfaces of the arc supporting plates (3) are connected with one end, far away from the central cylinder (2), of the telescopic supporting pieces, and the outer convex surfaces of the arc supporting plates (3) are in propping contact with the inner wall of a drainage pipeline (1);
the brushing mechanism is arranged at the end part of the central cylinder (2) and is propped against the inner wall of the drainage pipeline (1), and the brushing mechanism rotationally brushes the inner wall of the drainage pipeline (1) in the process of following the central cylinder (2);
the annular lining structure (4) is used for covering and adhering to a cracking area of the inner wall of the drainage pipeline (1);
after the inner wall area of the drainage pipeline (1) is scrubbed, a plurality of telescopic propping pieces drive corresponding arc supporting plates (3) to gather together towards the direction of the central cylinder (2), the annular lining structure (4) is sleeved on the outer convex surfaces of the arc supporting plates (3), and the telescopic propping pieces drive the corresponding arc supporting plates (3) to prop open towards the inner wall direction of the drainage pipeline (1) so as to prop up and fix the annular lining structure (4) at the inner wall of the drainage pipeline (1).
2. The urban drainage pipeline trenchless rehabilitation device according to claim 1, characterized in that: the brushing mechanism comprises a rotating shaft (7) connected to the end part of the central cylinder (2), an end air cylinder (6) radially arranged on the outer peripheral surface of the rotating shaft (7) and a driving piece (8) for driving the rotating shaft (7), wherein one end, far away from the rotating shaft (7), of the end air cylinder (6) is provided with a mounting block (61), and one end, far away from the end air cylinder (6), of the mounting block (61) is provided with bristles (62).
3. The urban drainage pipeline trenchless rehabilitation device according to claim 2, characterized in that: the traction mechanism is a winch, a traction rope (11) and a rotating shaft (7) of the winch are arranged at the same end of the central cylinder (2), and the traction rope (11) of the winch penetrates through the rotating shaft (7) along the axis of the rotating shaft (7).
4. A non-excavation repair apparatus for municipal drainage pipes as claimed in claim 3, wherein: the driving piece (8) comprises a brushing motor (81) and a gear set (82), wherein the brushing motor (81) is arranged on the outer side wall of the central cylinder (2), one gear of the gear set (82) is fixedly connected with an output shaft of the brushing motor (81) in a coaxial mode, the other gear of the gear set (82) is fixedly connected with the rotating shaft (7) in a coaxial mode, and the rotating shaft (7) rotates under the driving of the brushing motor (81) and the meshing transmission of the gear set (82).
5. The urban drainage pipeline trenchless rehabilitation device according to claim 4, characterized in that: the outside of the central cylinder (2) is of a prismatic structure, the telescopic jacking piece is a middle cylinder (5), and the bottom of the cylinder body of the middle cylinder (5) is arranged on the side face of the central cylinder (2).
6. The urban drainage pipeline trenchless rehabilitation device according to claim 5, characterized in that: the side surface of the central cylinder (2) is slidably connected with a plurality of sliding cylinders (10), the sliding cylinders (10) slide along the length direction of the central cylinder (2), and the sliding cylinders (10) and the middle cylinders (5) are circumferentially distributed at intervals along the central cylinder (2); the utility model discloses a drainage pipe, including a central section of thick bamboo (2), a plurality of arc fagging (3), slide cylinder (10) and central section of thick bamboo (2) perpendicular setting, the one end that slide cylinder (10) kept away from central section of thick bamboo (2) is provided with pulley (101), central section of thick bamboo (2) are provided with and order about a plurality of slide cylinder (10) synchronous motion's link gear (9), when a plurality of arc fagging (3) are gathered together towards central section of thick bamboo (2) direction, pulley (101) butt contact in the inner wall of drainage pipe (1).
7. The urban drainage pipeline trenchless rehabilitation device according to claim 6, characterized in that: the piston rod end of the sliding cylinder (10) is provided with a hook (102), the end of the annular lining structure (4) is provided with a plurality of connecting rings (44), the plurality of hooks (102) are in one-to-one correspondence with the plurality of connecting rings (44), and the hooks (102) are hooked with the connecting rings (44).
8. A non-excavation repair method for urban drainage pipelines, which adopts the non-excavation repair device for urban drainage pipelines as claimed in claim 7, and is characterized in that: the method comprises the following steps:
s1: the pipeline non-excavation repairing device is placed at the initial section of the drainage pipeline (1), a plurality of middle air cylinders (5) drive corresponding arc supporting plates (3) to be in propping contact with the inner wall of the drainage pipeline (1), a plurality of end air cylinders (6) drive corresponding bristles (62) to be propped against the inner wall of the drainage pipeline (1), and an annular lining structure (4) is firmly fixed at the rear end of the pipeline non-excavation repairing device through the hooking of hooks (102) and connecting rings (44);
s2: starting a brushing motor (81) and a winch, and enabling the pipeline non-excavation repairing device to integrally move towards the end section direction of the drainage pipeline (1), wherein bristles (62) of the brushing mechanism brush the inner wall of the drainage pipeline (1) in a rotating manner;
s3: when the pipeline non-excavation repairing device moves to a cracking area of the inner wall of the drainage pipeline (1), the winch and the brushing motor (81) stop working, the pulleys (101) are driven by the sliding cylinders (10) to prop against the inner wall of the drainage pipeline (1), the corresponding arc-shaped supporting plates (3) are driven by the middle cylinders (5) to gather towards the direction of the central cylinder (2), and the pipeline non-excavation repairing device is supported by the sliding cylinders (10) and the end cylinders (6);
s4: starting a linkage mechanism (9) to drive a plurality of sliding cylinders (10) to move towards the front end direction of the pipeline trenchless repairing device, and conveying an annular lining structure (4) to a cracking area of the inner wall of the drainage pipeline (1), wherein the annular lining structure (4) is sleeved on the outer sides of a plurality of arc supporting plates (3);
s5: starting a middle cylinder (5) to drive a plurality of arc supporting plates (3) to prop open towards the inner wall of the drainage pipeline (1), propping the annular lining structure (4) against a cracking area of the inner wall of the drainage pipeline (1), and then carrying out a cementing step of the annular lining structure (4) and the inner wall of the drainage pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410104658.0A CN117721892A (en) | 2024-01-24 | 2024-01-24 | Non-excavation repairing device and repairing method for urban drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410104658.0A CN117721892A (en) | 2024-01-24 | 2024-01-24 | Non-excavation repairing device and repairing method for urban drainage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117721892A true CN117721892A (en) | 2024-03-19 |
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ID=90209005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410104658.0A Pending CN117721892A (en) | 2024-01-24 | 2024-01-24 | Non-excavation repairing device and repairing method for urban drainage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117721892A (en) |
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2024
- 2024-01-24 CN CN202410104658.0A patent/CN117721892A/en active Pending
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