CN112762270A - Non-excavation pipeline repairing integrated device and repairing method - Google Patents
Non-excavation pipeline repairing integrated device and repairing method Download PDFInfo
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- CN112762270A CN112762270A CN202110150089.XA CN202110150089A CN112762270A CN 112762270 A CN112762270 A CN 112762270A CN 202110150089 A CN202110150089 A CN 202110150089A CN 112762270 A CN112762270 A CN 112762270A
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- rotating shaft
- outer sleeve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
- F16L55/1653—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being pressed into contact with the pipe by a tool which moves inside along the pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1652—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section
- F16L55/1654—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being pulled into the damaged section and being inflated
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1656—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section materials for flexible liners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
- F16L2101/18—Lining other than coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/60—Stopping leaks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application provides a non-excavation pipeline repairing integrated device and a repairing method, and relates to the technical field of pipeline repairing, wherein the device comprises a traction part, a supporting part and a connecting part; the supporting part comprises an outer sleeve, an inner rotating shaft and a spiral elastic cage fixed between the outer sleeve and the inner rotating shaft, the spiral elastic cage is sleeved on the outer sleeve, an inclined wheel is arranged on the outer side of the spiral elastic cage, and an included angle between the rotating shaft of the inclined wheel and the axial direction of the spiral elastic cage is 30-60 degrees; the inner rotating shaft is arranged in the outer sleeve and is rotatably connected with the outer sleeve, and a clamping mechanism for locking the inner rotating shaft is arranged between the inner wall of the outer sleeve and the outer wall of the inner rotating shaft; the inner rotating shaft is rotatably connected with the connecting part; the outer sleeve is rotatably connected with the traction part; the outer sleeve is provided with a curing lamp and a nozzle; aiming at the defects of the prior art, the invention can adapt to various pipeline inner diameter specifications, ensures that the repair pipe is completely attached to the inner wall of the pipeline to be repaired and reduces the repair steps.
Description
Technical Field
The application relates to the technical field of pipeline repair, in particular to a non-excavation pipeline repair integrated device and a repair method.
Background
The urban underground pipeline is an urban drainage system and is an engineering facility system for treating and removing urban sewage and rainwater. With the lapse of time, the ageing or pipeline wall of different degree all can appear in drainage pipe, can the stereo set city drainage after the pipeline is damaged, need in time to restore.
When the pipelines are damaged in a large area, all the pipelines are generally required to be excavated for replacement, and the excavation type operation mode has high construction cost and needs to excavate the road surface, so that the traffic is seriously influenced; in the trenchless mode, the hose soaked with the photosensitive resin is used for lining the pipeline to be repaired under the action of UV curing (ultraviolet curing), so that the construction amount is small, and the ground traffic is not influenced.
But the existing trenchless pipeline repair needs to lay a hose, blow to expand, tie up a head, put in a curing lamp chain and tie up a head, inflate again to expand and start curing; the method is very easy to cause the hose to be cured and not to be completely attached to the pipeline to be repaired due to air leakage; to this condition, the inflation step of will blowing changes into the arc support that can change support radius, however the arc can only correspond the pipeline of a specification, to other specification pipelines, even change the support radius of arc, the surface of arc also can not laminate in waiting to restore the pipeline inner wall completely to cause the hose to solidify the back can not laminate in waiting to restore the pipeline completely, so the urgent need for one kind can match the pipeline inner diameter size of waiting to restore of multiple specification, and guarantee that the hose outer wall can laminate the integration prosthetic devices who waits to restore the pipeline inner wall completely.
Disclosure of Invention
The application aims to provide a non-excavation pipeline repairing integrated device and a repairing method, aiming at the defects of the prior art, the non-excavation pipeline repairing integrated device and the repairing method can adapt to various pipeline inner diameter specifications, ensure that a repairing pipe is completely attached to the inner wall of a pipeline to be repaired, and reduce repairing steps.
The embodiment of the application is realized by the following technical scheme: a non-excavation pipeline repair integrated device comprises a traction part, a supporting part and a connecting part; the supporting part comprises an outer sleeve, an inner rotating shaft and a spiral elastic cage fixed between the outer sleeve and the inner rotating shaft, the spiral elastic cage is sleeved on the outer sleeve, inclined wheels are uniformly arranged on the outer side of the spiral elastic cage, and an included angle between the rotating shaft of each inclined wheel and the axial direction of the spiral elastic cage is 30-60 degrees; the head of the inner rotating shaft is arranged in the outer sleeve and is rotatably connected with the outer sleeve, and a clamping mechanism for locking the inner rotating shaft is arranged between the inner wall of the outer sleeve and the outer wall of the inner rotating shaft; the tail part of the inner rotating shaft is rotatably connected with the connecting part; the outer sleeve is rotatably connected with the traction part; the outer sleeve is provided with a plurality of curing lamps for emitting ultraviolet rays and nozzles for spraying high-pressure gas.
Furthermore, the clamping mechanism comprises a positioning rod and a plurality of bosses arranged on the inner rotating shaft, clamping grooves are formed between the bosses, and the bosses are uniformly distributed along the circumferential direction of the inner rotating shaft; the positioning rod is provided with a clamping block, and the clamping block is matched with the geometric dimension of the clamping groove; the inner wall of the outer sleeve is provided with a sliding chute for providing a stroke for the positioning rod, and the length direction of the sliding chute is parallel to the axis of the outer sleeve; one end of the positioning rod is provided with a sliding block, the sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove, and the other end of the positioning rod penetrates through the tail part of the inner rotating shaft; and compression springs are arranged on the end surfaces of the sliding blocks and the inner wall of the sliding groove.
Furthermore, the outer side of the spiral elastic cage is provided with a mounting groove for providing a space for the rolling of the tilting wheel, and the inner side wall of the mounting groove supports the wheel shaft of the tilting wheel.
Furthermore, the outer sleeve comprises a T-shaped supporting tube, a straight tube and a connecting tube fixedly connecting the supporting tube and the straight tube, the inner diameter of the connecting tube is larger than the inner diameters of the supporting tube and the straight tube, and the head part of the inner rotating shaft is clamped between the supporting tube and the connecting tube; the curing lamps are arranged on the outer wall of the straight pipe in a circumferential and spiral mode, and the nozzles are arranged on the outer wall of the supporting pipe in a circumferential and spiral mode.
Furthermore, the front end of the traction part is arc-shaped, a plurality of reinforcing ribs are arranged between the front end and the rear end of the traction part, and the reinforcing ribs are uniformly distributed along the circumferential direction and enable the traction part to be conical in shape; the front end of the traction part is provided with a hanging ring; the rear end of the traction part is provided with a countersunk hole, and one end of the supporting tube, which is far away from the connecting tube, is arranged in the countersunk hole and is relatively rotatably connected with the inner wall of the countersunk hole.
Further, the traction part also comprises an air inlet pipe, and the air inlet pipe penetrates through the front end and the rear end of the traction part along the axis direction; an air flow channel is arranged on the supporting tube, and an air inlet of the air flow channel is conical and is matched with the spatial position of an air outlet of the air inlet tube; and an air outlet of the air flow channel is communicated with the nozzle.
Furthermore, the connecting part comprises a connecting ring with an L-shaped section and a connector fixedly connected with one end face of the connecting ring, and the tail part of the inner rotating shaft is arranged in the connecting ring and is relatively and rotatably connected with the inner wall of the connecting ring.
Further, the axes of the traction part, the outer sleeve, the inner rotating shaft, the spiral elastic cage and the connecting part are collinear.
And the end surface of the inner rotating shaft, which is close to the connecting part, is provided with a stress groove for inserting the torsion bar.
A trenchless pipeline rehabilitation method, comprising step S1: lining the hose soaked with the photosensitive resin in the bottom film to form a repair pipe; s2: laying a repair pipe from one end of a pipeline to be repaired to the other end of the pipeline; also comprises the following steps:
s31: the trenchless pipeline repairing integrated device is applied, the outer sleeve is fixed by using the clamp, the clamping mechanism is opened, the inner rotating shaft is rotated, the number of spiral turns of the spiral elastic cage is increased or decreased, the outer diameter of the spiral elastic cage is accordingly reduced or increased, the surface of the inclined wheel can be attached to the inner wall of the pipeline to be repaired, and the clamping mechanism is locked;
s32: after S31, tying a traction rope at the front end of the traction part, starting a curing lamp and introducing high-pressure gas, placing the device in the repair pipe and at one end of the repair pipe, withdrawing the traction rope, pulling the device to move in the repair pipe along the axial direction of the pipe, and forcing the supporting part to simultaneously move along the circumferential direction of the pipe due to the inclined arrangement of the inclined wheels until the supporting part moves to the other end of the pipe to be repaired;
s33: in the S32 process, the support part supports the repair tube and prevents local bulge through high-pressure gas and is solidified through a curing lamp while the device moves, and the repair process is completed at one time;
s4: and recovering the restoration integrated device to finish the restoration of the pipeline to be restored.
The technical scheme of the embodiment of the application has at least the following advantages and beneficial effects:
1. the device is reasonable in design and simple in structure, the radius of the spiral elastic cage is changed by changing the number of spiral turns of the spiral elastic cage, and the repairing pipe supported by the inclined wheel of the device can be ensured to be completely attached to the inner wall of the pipeline to be repaired;
2. according to the invention, the inclined wheel is arranged at the spiral elastic cage, so that the spiral elastic cage can obtain a self-adaptive rotating speed under the condition of only providing a horizontal speed for the whole device, so that the supporting part can obtain the self-adaptive rotating speed, all parts of the hose can be uniformly supported, and all the parts are ensured to be completely attached to the inner wall of the pipeline to be repaired;
3. according to the invention, the curing lamp and the nozzle are arranged on the outer sleeve along the movement direction of the device, and the nozzle ensures that the repair pipe can smoothly enter the supporting part before being supported by utilizing the gap of the spiral elastic cage, and prevents the repair pipe from generating a local bulge state after being supported; the curing lamp can emit ultraviolet rays to enable the repair tube to be cured immediately after being supported, so that the repair tube is prevented from being cured after local collapse due to too long interval of supporting and curing time, and curing quality is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is a schematic diagram showing the change of the radius of the spiral elastic cage after the number of turns of the spiral is changed;
FIG. 5 is a schematic view of the instant state of the present invention in repairing a pipeline;
icon: 1, an air inlet pipe; 2-hanging a ring; 3-a traction part; 4-reinforcing ribs; 5-supporting the tube; 6-a nozzle; 7-a spiral elastic cage; 8-connecting pipe; 9-a tilting wheel; 10-an inner rotating shaft; 11-straight pipe; 12-a curing lamp; 13-positioning rods; 14-a connecting ring; 15-a connector; 16-a force-bearing groove; 17-mounting grooves; 18-a card slot; 19-a chute; 20-clamping a block; 21-a compression spring; 22-repair of the tube; 23-the pipe to be repaired.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 5, an integrated trenchless pipeline repairing device includes a traction portion 3, a support portion and a connection portion; the supporting part comprises an outer sleeve, an inner rotating shaft 10 and a spiral elastic cage 7 fixed between the outer sleeve and the inner rotating shaft 10, the spiral elastic cage 7 is sleeved on the outer sleeve, inclined wheels 9 are uniformly arranged on the outer side of the spiral elastic cage 7, an included angle between the rotating shaft of each inclined wheel 9 and the axial direction of the spiral elastic cage 7 is 30-60 degrees, preferably 45 degrees, the spiral elastic cage 7 can obtain self-adaptive rotating speed under the condition that the whole device only obtains horizontal speed, so that the supporting part obtains the self-adaptive rotating speed, all parts of the hose are enabled to be uniformly supported, and all parts of the hose are completely attached to the inner wall of the pipeline 23 to be repaired; the head of the inner rotating shaft 10 is arranged in the outer sleeve and is rotatably connected with the outer sleeve, and the inner rotating shaft 10 and the inner sleeve can rotate relatively; a clamping mechanism for locking the inner rotating shaft 10 is arranged between the inner wall of the outer sleeve and the outer wall of the inner rotating shaft 10, the outer sleeve and the inner rotating shaft 10 can be locked by the clamping mechanism, and the spiral elastic cage 7 is effectively prevented from resetting after the number of spiral turns of the spiral elastic cage 7 is changed; the tail part of the inner rotating shaft 10 is rotatably connected with the connecting part; the outer sleeve is rotatably connected with the traction part 3, so that the traction wire is prevented from winding and the connection part is prevented from being connected with other devices to rotate while the support part can rotate; the outer sleeve is provided with a plurality of curing lamps 12 for emitting ultraviolet rays and a nozzle 6 for ejecting high-pressure gas.
It should be noted that, according to the actual application, a plurality of the devices can be selected and connected end to end through the connecting part and the traction part 3.
In this embodiment, as shown in fig. 3, the locking mechanism includes a positioning rod 13 and a plurality of bosses disposed on the inner rotating shaft 10, a locking groove 18 is formed between the bosses, and the plurality of bosses are uniformly distributed along the circumferential direction of the inner rotating shaft 10; the positioning rod 13 is provided with a clamping block 20, the geometric dimensions of the clamping block 20 and the clamping groove 18 are matched, and when the clamping mechanism locks the inner rotating shaft 10 and the outer sleeve, the positioning block can be stably clamped in the clamping groove 18; when a relative rotating shaft is required to be generated between the inner rotating shaft 10 and the outer sleeve, the positioning block can exit from the clamping groove 18; the inner wall of the outer sleeve is provided with a sliding groove 19 for providing a stroke for the positioning rod 13, and the length direction of the sliding groove 19 is parallel to the axis of the outer sleeve, so that the positioning rod 13 can be ensured to stably exit; one end of the positioning rod 13 is provided with a sliding block, the sliding block is arranged in the sliding groove 19 and is in sliding connection with the sliding groove 19, and the other end of the positioning rod 13 penetrates through the tail part of the inner rotating shaft 10; and the end surface of the sliding block and the inner wall of the sliding groove 19 are provided with compression springs 21, and the compression springs 21 provide power for the clamping block 20 to be clamped into the clamping groove 18, so that the effect of automatic reset is achieved.
In this embodiment, in order to ensure that the positioning rod 13 can only move in the axial direction, through holes matched with the positioning rod 13 in size are arranged on the outer sleeve and the inner rotating shaft 10, and the spatial positions are adapted.
In this embodiment, as shown in fig. 2, an installation groove 17 for providing a space for the tilting wheel 9 to roll is formed on the outer side of the spiral elastic cage 7, and the inner side wall of the installation groove 17 supports the axle of the tilting wheel 9; in order to ensure that the tilting wheel 9 can normally roll on the inner wall of the pipeline 23 to be repaired, the outer diameter of the tilting wheel 9 is larger than the depth of the mounting groove 17, and the depth of the mounting groove 17 is larger than the outer radius of the tilting wheel 9.
In this embodiment, in order to facilitate the assembly of the outer sleeve and the inner rotating shaft 10, the outer sleeve includes a T-shaped support tube 5, a straight tube 11 and a connecting tube 8 fixedly connecting the support tube 5 and the straight tube 11, the inner diameter of the connecting tube 8 is larger than the inner diameters of the support tube 5 and the straight tube 11, and the head of the inner rotating shaft 10 is clamped between the support tube 5 and the connecting tube 8; it should be noted that, the design here can limit the axial movement of the inner rotating shaft 10 and ensure the relative rotation between the inner rotating shaft 10 and the outer sleeve; the curing lamps 12 are circumferentially and spirally mounted on the outer wall of the straight pipe 11, and the nozzles 6 are circumferentially and spirally mounted on the outer wall of the support pipe 5; it should be noted that, along the direction of pulling the device to move, a plurality of nozzles 6 need to be installed in front of a plurality of curing lamps 12 to ensure the quality of the curing repair tube 22; the curing lamp 12 and the nozzle 6 are installed in a circumferential spiral mode, so that the gap of the spiral elastic cage 7 can be effectively utilized, the nozzle 6 ensures that the repair pipe 22 can smoothly enter a supporting part before being supported, and the repair pipe 22 is prevented from being locally bulged after being supported; the curing lamp 12 can emit ultraviolet rays to enable the repair tube 22 to be cured immediately after being supported, so that the repair tube 22 is prevented from being cured after being locally collapsed due to too long supporting and curing time intervals, and the curing quality is guaranteed.
In this embodiment, in order to prevent the front end of the traction part 3 from scratching the repair tube 22, the front end of the traction part 3 is arc-shaped, a plurality of reinforcing ribs 4 are arranged between the front end and the rear end of the traction part 3, and the plurality of reinforcing ribs 4 are uniformly distributed along the circumferential direction and make the outer shape of the traction part 3 tapered.
In this embodiment, in order to facilitate connection of the traction rope, the front end of the traction part 3 is provided with a hanging ring 2.
In this embodiment, in order to ensure that the supporting portion can smoothly rotate relative to the traction portion 3, a countersunk hole is formed at the rear end of the traction portion 3, and one end of the supporting tube 5, which is far away from the connecting tube 8, is arranged in the countersunk hole and is connected with the inner wall of the countersunk hole in a relative rotation manner.
In the embodiment, in order to avoid the winding condition of the air inlet pipe 1 during operation, the traction part 3 further comprises an air inlet pipe 1, and the air inlet pipe 1 penetrates through the front end and the rear end of the traction part 3 along the axial direction; an air flow channel is formed in the support tube 5, an air inlet of the air flow channel is conical and is matched with the spatial position of an air outlet of the air inlet tube 1, and the air inlet is conical so that high-pressure air can be smoothly introduced into the air flow channel; the air outlet of the air flow channel is communicated with the nozzle 6.
In this embodiment, in order to ensure that the support portion can smoothly rotate relative to the connection portion, the connection portion includes a connection ring 14 having an "L" shape in cross section and a connection head 15 fixedly connected to one end surface of the connection ring 14, and the tail portion of the inner rotary shaft 10 is disposed in the connection ring 14 and rotatably connected to the inner wall of the connection ring 14.
In the present embodiment, in order to reduce the increase of the assembling accuracy and the reduction of the complicated displacement at the time of the movement, the axes of the pulling portion 3, the outer sleeve, the inner rotary shaft 10, the helical spring cage 7 and the connecting portion are collinear.
In this embodiment, in order to facilitate the rotation of the inner spindle 10, a torsion bar is further included to drive the inner spindle 10 to rotate, and a force receiving groove 16 for inserting the torsion bar is provided on an end surface of the inner spindle 10 near the connection portion.
In this embodiment, a bearing is added between the parts which rotate relatively to each other, so as to ensure the stable rotation.
A trenchless pipeline rehabilitation method, comprising step S1: lining the photosensitive resin-impregnated hose in the base film to form a repair tube 22; s2: laying a repair pipe 22 from one end of a pipeline 23 to be repaired to the other end of the pipeline; also comprises the following steps:
s31: the trenchless pipeline repairing integrated device is applied, the outer sleeve is fixed by using a clamp, the clamping mechanism is opened, the inner rotating shaft 10 is rotated, the number of spiral turns of the spiral elastic cage 7 is increased or decreased, the outer diameter of the spiral elastic cage 7 is made to be smaller or larger, the surface of the inclined wheel 9 can be attached to the inner wall of the pipeline 23 to be repaired, and the clamping mechanism is locked;
s32: after completing S31, tying a pulling rope at the front end of the pulling part 3, turning on the curing lamp 12 and introducing high-pressure gas, placing the device in the repair tube 22 and at one end of the repair tube 22, withdrawing the pulling rope, pulling the pulling device by the pulling rope to move in the repair tube 22 along the axial direction of the tube, and forcing the support part to move simultaneously along the circumferential direction of the tube due to the inclined arrangement of the inclined wheel 9 until the support part moves to the other end of the tube 23 to be repaired;
s33: in S32, the support part supports the repair tube 22 and prevents local swelling by the high pressure gas and curing by the curing lamp 12 while the device is moved, completing the repair process at one time;
s4: and recovering the restoration integrated device to finish the restoration of the pipeline 23 to be restored.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an integrative device is restoreed to non-excavation formula pipeline which characterized in that: comprises a traction part (3), a support part and a connecting part; the supporting part comprises an outer sleeve, an inner rotating shaft (10) and a spiral elastic cage (7) fixed between the outer sleeve and the inner rotating shaft (10), the spiral elastic cage (7) is sleeved on the outer sleeve, inclined wheels (9) are uniformly arranged on the outer side of the spiral elastic cage (7), and an included angle between the rotating shaft of each inclined wheel (9) and the axial direction of the spiral elastic cage (7) is 30-60 degrees; the head of the inner rotating shaft (10) is arranged in the outer sleeve and is rotatably connected with the outer sleeve, and a clamping mechanism for locking the inner rotating shaft (10) is arranged between the inner wall of the outer sleeve and the outer wall of the inner rotating shaft (10); the tail part of the inner rotating shaft (10) is rotatably connected with the connecting part; the outer sleeve is rotatably connected with the traction part (3); the outer sleeve is provided with a plurality of curing lamps (12) for emitting ultraviolet rays and a nozzle (6) for spraying high-pressure gas.
2. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: the clamping mechanism comprises a positioning rod (13) and a plurality of bosses arranged on the inner rotating shaft (10), clamping grooves (18) are formed between the bosses, and the bosses are uniformly distributed along the circumferential direction of the inner rotating shaft (10); the positioning rod (13) is provided with a clamping block (20), and the clamping block (20) is matched with the geometric dimension of the clamping groove (18); a sliding groove (19) for providing a stroke for the positioning rod (13) is arranged on the inner wall of the outer sleeve, and the length direction of the sliding groove (19) is parallel to the axis of the outer sleeve; one end of the positioning rod (13) is provided with a sliding block, the sliding block is arranged in the sliding groove (19) and is in sliding connection with the sliding groove (19), and the other end of the positioning rod (13) penetrates through the tail part of the inner rotating shaft (10); and a compression spring (21) is arranged on the end surface of the sliding block and the inner wall of the sliding groove (19).
3. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: and an installation groove (17) for providing a space for the rolling of the inclined wheel (9) is formed in the outer side of the spiral elastic cage (7), and the inner side wall of the installation groove (17) supports a wheel shaft of the inclined wheel (9).
4. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: the outer sleeve comprises a T-shaped supporting tube (5), a straight tube (11) and a connecting tube (8) fixedly connecting the supporting tube (5) and the straight tube (11), the inner diameter of the connecting tube (8) is larger than the inner diameters of the supporting tube (5) and the straight tube (11), and the head of the inner rotating shaft (10) is clamped between the supporting tube (5) and the connecting tube (8); the curing lamps (12) are arranged on the outer wall of the straight pipe (11) in a circumferential and spiral mode, and the nozzles (6) are arranged on the outer wall of the supporting pipe (5) in a circumferential and spiral mode.
5. The trenchless pipeline rehabilitation integrated device of claim 4, wherein: the front end of the traction part (3) is arc-shaped, a plurality of reinforcing ribs (4) are arranged between the front end and the rear end of the traction part (3), and the reinforcing ribs (4) are uniformly distributed along the circumferential direction and enable the traction part (3) to be conical in shape; the front end of the traction part (3) is provided with a hanging ring (2); the rear end of the traction part (3) is provided with a countersunk hole, and one end of the support tube (5) far away from the connecting tube (8) is arranged in the countersunk hole and is connected with the inner wall of the countersunk hole in a relative rotation manner.
6. The trenchless pipeline rehabilitation integrated device of claim 5, wherein: the traction part (3) further comprises an air inlet pipe (1), and the air inlet pipe (1) penetrates through the front end and the rear end of the traction part (3) along the axis direction; an air flow channel is formed in the supporting tube (5), and an air inlet of the air flow channel is conical and is matched with the spatial position of an air outlet of the air inlet tube (1); the air outlet of the air flow channel is communicated with the nozzle (6).
7. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: the connecting part comprises a connecting ring (14) with an L-shaped section and a connector (15) fixedly connected with one end face of the connecting ring (14), and the tail part of the inner rotating shaft (10) is arranged in the connecting ring (14) and is relatively and rotatably connected with the inner wall of the connecting ring (14).
8. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: the axes of the traction part (3), the outer sleeve, the inner rotating shaft (10), the spiral elastic cage (7) and the connecting part are collinear.
9. The trenchless pipeline rehabilitation integrated device of claim 1, wherein: the torsion bar is used for driving the inner rotating shaft (10) to rotate, and a stress groove (16) used for inserting the torsion bar is formed in the end face, close to the connecting portion, of the inner rotating shaft (10).
10. A trenchless pipeline rehabilitation method, comprising step S1: forming a repair tube (22) by lining a flexible tube impregnated with a photosensitive resin in a base film; s2: laying a repair pipe (22) from one end of a pipeline (23) to be repaired to the other end of the pipeline; the method is characterized in that: also comprises the following steps:
s31: the trenchless pipeline repairing integrated device as claimed in any one of claims 1 to 9 is applied, the outer sleeve is fixed by a clamp, the clamping mechanism is opened, the inner rotating shaft (10) is rotated to increase or decrease the number of spiral turns of the spiral elastic cage (7), so that the outer diameter of the spiral elastic cage (7) is reduced or increased, the surface of the inclined wheel (9) can be attached to the inner wall of the pipeline (23) to be repaired, and the clamping mechanism is locked;
s32: after S31 is finished, a hauling rope is tied on the front end of the hauling part (3), a curing lamp (12) is started and high-pressure gas is introduced, the device is placed in the repairing pipe (22) and located at one end of the repairing pipe (22), the hauling rope is withdrawn, the hauling rope pulling device moves in the repairing pipe (22) along the axial direction of the pipe, and meanwhile, due to the inclined arrangement of the inclined wheel (9), the supporting part is forced to move along the circumferential direction of the pipe at the same time until the supporting part moves to the other end of the pipe (23) to be repaired;
s33: in the S32 process, the support part supports the repair tube (22) and prevents local bulge by high-pressure gas and is solidified by a solidifying lamp (12) while the device moves, and the repair process is completed at one time;
s4: and recovering the restoration integrated device to finish the restoration of the pipeline (23) to be restored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150089.XA CN112762270A (en) | 2021-02-03 | 2021-02-03 | Non-excavation pipeline repairing integrated device and repairing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150089.XA CN112762270A (en) | 2021-02-03 | 2021-02-03 | Non-excavation pipeline repairing integrated device and repairing method |
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| Publication Number | Publication Date |
|---|---|
| CN112762270A true CN112762270A (en) | 2021-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110150089.XA Pending CN112762270A (en) | 2021-02-03 | 2021-02-03 | Non-excavation pipeline repairing integrated device and repairing method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688385A (en) * | 2022-02-26 | 2022-07-01 | 广东畅龙车辆装备科技有限公司 | Trenchless drainage pipeline pretreatment robot |
| CN114811260A (en) * | 2022-04-28 | 2022-07-29 | 浙江上鑫生态建设有限公司 | Pipeline repairing method by non-excavation pipe expanding method |
-
2021
- 2021-02-03 CN CN202110150089.XA patent/CN112762270A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688385A (en) * | 2022-02-26 | 2022-07-01 | 广东畅龙车辆装备科技有限公司 | Trenchless drainage pipeline pretreatment robot |
| CN114688385B (en) * | 2022-02-26 | 2024-05-28 | 广东畅龙环境科技有限公司 | Non-excavation drainage pipeline pretreatment robot |
| CN114811260A (en) * | 2022-04-28 | 2022-07-29 | 浙江上鑫生态建设有限公司 | Pipeline repairing method by non-excavation pipe expanding method |
| CN114811260B (en) * | 2022-04-28 | 2023-10-27 | 浙江上鑫生态建设有限公司 | Pipeline repairing method by non-excavation pipe expanding method |
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