CN114150705B - Non-excavation repairing method for inspection well - Google Patents

Abstract

The application discloses a non-excavation repair method for an inspection well, relates to the technical field of pipeline engineering, and comprises the following steps: the method comprises the following steps: placing the inner container into an inspection well, and ventilating and expanding; step two: the extrusion device is arranged on the input pipe and the output pipe, and the input pipe and the output pipe extend into the liner to drive the extrusion device to enter the liner, so that the extrusion device is positioned close to the top wall of the inspection well; step three: cold water is firstly introduced into the inner container through the input pipe, meanwhile, the extrusion device is driven to extrude the inner container through the impact force generated when the water flow is input into the inner container, then the water flow in the inner container is extracted through the output pipe and introduced into the boiler for heating, so that hot water enters the inner container through the input pipe and is replaced with cold water, and the temperature of the water flow in the inner container is increased to heat the inner container; step four: after the liner is solidified, taking out the input pipe, the output pipe and the extrusion device, and finally cutting off the redundant liner at the bottom; this application can promote the laminating effect of being close to inspection shaft roof department inner bag.

Description

Non-excavation repairing method for inspection well

Technical Field

The application relates to the technical field of pipeline engineering, in particular to a non-excavation repairing method for an inspection well.

Background

With the continuous development of the technology, the repair mode of the inspection well is changed from the traditional excavation mode to the existing non-excavation repair mode, the ground does not need to be excavated during the repair of the inspection well, and the repair difficulty of the inspection well can be greatly reduced.

At present, the chinese utility model patent with publication number CN201485870U discloses an inspection well inner container structure, which is a bottle container shape formed on the inner wall and the bottom around the damaged inspection well by closely fitting. The inspection well has a wall thickness of 5-30mm, and is formed by heating and expanding a bag-shaped lining material impregnated with thermosetting resin and then curing. When repairing, the resin bag-shaped lining material is put into the inspection well, and then the pipe connectors inserted into the compressed air input pipe, the hot water input pipe and the hot water extraction pipe at one end are inserted into the bag-shaped lining material. Then, compressed air is supplied to expand the bag-shaped lining material to closely contact the inner wall of the inspection well, hot water is supplied, and a pump is started to keep the hot water state in the bag, so that the bag-shaped lining material is solidified. And finally, after hot water is pumped out and cold water is input for cooling, the bag-shaped lining materials are respectively cut along the wellhead and the opening part of the bottom pipe of the inspection well.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: there is the contained angle between the inner wall of inspection shaft and the roof during restoration, therefore when the inner bag was laminated with the inspection shaft wall of a well, the inner bag laminating effect of keeping away from the inspection shaft roof was better, and the inner bag laminating effect that is close to the inspection shaft roof was a little weak.

Disclosure of Invention

In order to promote the laminating effect of being close to inspection shaft roof department inner bag, this application provides a non-excavation repair method of inspection shaft.

The application provides an inspection well trenchless repairing method, which adopts the following technical scheme:

an inspection well trenchless repairing method comprises the following steps:

the method comprises the following steps: placing the inner container into an inspection well, and ventilating and expanding;

step two: the extrusion device is arranged on the input pipe and the output pipe, and the input pipe and the output pipe extend into the liner to drive the extrusion device to enter the liner, so that the extrusion device is positioned close to the top wall of the inspection well;

step three: cold water is firstly introduced into the inner container through the input pipe, meanwhile, the extrusion device is driven to extrude the inner container through impact force generated when the water flow is input into the inner container, then, the water flow in the inner container is extracted through the output pipe and introduced into the boiler for heating, so that hot water starts to enter the inner container through the input pipe and is replaced by cold water, hot water in the boiler enters the inner container through the input pipe and is discharged into the boiler from the output pipe for realizing circulation, the temperature of the water flow in the inner container starts to be continuously increased to heat the inner container, and meanwhile, certain steam is generated after the temperature of the water flow is increased, so that certain pressure is provided in the inner container to keep the state of the expanded inner container;

step four: after the liner is solidified, taking out the input pipe, the output pipe and the extrusion device, and finally cutting off the redundant liner at the bottom;

the extrusion device of step two includes installation cover and squeeze roll, the input tube is equipped with the adapter sleeve with the output tube overcoat, the rotatory cover of installation cover is established at adapter sleeve periphery side, the even interval of installation cover periphery side is provided with the erection column, the erection column is kept away from installation cover one side and is slided and be provided with the spliced pole that can be close to or keep away from the installation cover, the spliced pole is kept away from installation cover one side and is provided with the mounting bracket, the squeeze roll is rotatory to be set up on the mounting bracket, the erection column is provided with the drive connection post towards keeping away from the elastic component that the installation cover direction moved to squeeze roll extrusion inner bag inner wall, the installation column top is provided with the support column, support column top swivelling joint has the extrusion ball that is used for sticising the inner bag, the installation cover bottom is provided with the drive ring that the axis coincides, the drive ring inner wall is provided with the drive rack, the rotation of adapter sleeve bottom is provided with the transmission helical gear with drive rack engaged with, installation cover bottom swivelling joint has be in the axis horizontal plane and with the power gear engaged with the transmission helical gear, the installation cover bottom is provided with the power wheel that is used for driving power wheel rotation of power gear, the power wheel of drive power wheel, the even interval of periphery side is provided with a plurality of periphery side and supplies input hot water impact leaf of input pipe.

Through adopting above-mentioned technical scheme, earlier with the adapter sleeve when the inspection shaft is restoreed, the installation cover is installed on input tube and output tube, put into the inner bag with input tube and output tube after that, make the squeeze roll can extrude the inner bag that is close to inspection shaft top wall of a well position, and when the input tube inputed hot water, hot water strikes on the power leaf, make the power wheel rotatory, it is rotatory to drive the transmission helical gear through power gear, the installation cover gets into rotation state this moment, make the squeeze roll can follow the installation cover rotatory, be favorable to promoting the extrusion scope of squeeze roll, promote the laminating degree that is close to inspection shaft top wall position inner bag.

Optionally, the elastic component is a power spring, a mounting groove for the connecting column to slide is formed in one side, away from the mounting sleeve, of the mounting column, the power spring is mounted in the mounting groove, one end of the power spring is abutted to the connecting column, and the other end of the power spring is abutted to a groove wall, close to one side of the mounting sleeve, of the mounting groove.

Through adopting above-mentioned technical scheme, power spring elasticity release during the use promotes the spliced pole and slides towards keeping away from the installation cover direction for the squeeze roll can keep the state of extrudeing the inner bag.

Optionally, the installation sleeve periphery side is provided with a chute extending along the vertical direction, the chute has a plurality of and mounting post one-to-one correspondence, the installation sleeve is provided with a slider sliding in the chute from top to bottom, the mounting post is arranged on the slider and far away from one side of the connecting sleeve, a driving spring driving the slider upwards is installed in the chute, the top of the mounting post is provided with mutually perpendicular fixed posts, the top of the fixed post is rotatably connected with a rolling ball, the top of the connecting sleeve is provided with a power plate which is of an annular structure and is coaxially arranged with the connecting sleeve, the rolling ball is connected to the bottom of the power plate, the bottom of the power plate is provided with an arc-shaped block with an arc-shaped convex surface facing downwards, the arc-shaped block has a plurality of rolling balls and is uniformly arranged along the circumferential direction by taking the power plate central axis as the circle center, the rolling ball is connected to the arc-shaped convex surface side of the arc-shaped block, the support column comprises an outer column and an inner column, the outer column is arranged at the top of the mounting post, the inner column slides up and down on the outer column, the rolling ball is rotatably connected to one side of the mounting column, and a support spring driving the inner column to slide towards the mounting column is arranged in the outer column.

Through adopting above-mentioned technical scheme, when the spin rolls on the arc piece, the fixed column promotes the erection column downstream, and drive spring drive erection column upward movement for the squeeze roll up-and-down motion when the extrusion inner bag, increase extrusion range.

Optionally, a moving groove extending along the length direction is formed in the top of the mounting column, the support column slides in the moving groove, the mounting sleeve is provided with a driving piece which drives the support column to move towards the direction close to the mounting sleeve when the mounting column slides upwards, and the mounting column is provided with an elastic restoring piece which drives the support column to slide towards the direction far away from the mounting sleeve when the mounting column moves downwards.

Through adopting above-mentioned technical scheme, the support column slides in the shifting chute for the support column can move towards the direction of being close to or keeping away from the installation cover during erection column up-and-down motion, increases the extrusion scope of squeeze bulb.

Optionally, the driving piece is a driving rope, driving holes which are communicated with each other and allow the driving rope to slide are formed in the mounting column and the slider, one side of each driving hole is communicated to the moving groove, the other side of each driving hole penetrates through the bottom of the slider to the outside, one end of the driving rope is connected to one side, close to the mounting sleeve, of the support column, and the other end of the driving rope is connected to the groove wall at the bottom of the sliding groove.

Through adopting above-mentioned technical scheme, during the erection column upward movement, the driving rope pulling support column moves towards the installation cover direction, is favorable to driving the extrusion ball and rolls.

Optionally, the elastic restoring piece is a restoring spring, one end of the restoring spring abuts against the support column, and the other end of the restoring spring abuts against a side wall of the moving groove close to the mounting sleeve.

By adopting the technical scheme, when the mounting column moves upwards, the driving rope is loosened, and the return spring is released elastically, so that the supporting column is pushed to move towards the direction far away from the mounting sleeve.

Optionally, the mounting sleeve includes the mounting bar that extends along vertical direction, the mounting bar sets up at mounting sleeve periphery side and even interval, the spout is seted up and is kept away from mounting sleeve one side at the mounting bar, articulated linking to each other and the mounting bar can overturn from top to bottom between mounting bar bottom and the mounting sleeve, the mounting sleeve is provided with and is used for controlling the control assembly of mounting bar upset to laminating at the mounting sleeve periphery side.

Through adopting above-mentioned technical scheme, the mounting bar can overturn downwards for the erection column is in vertical state, easy to assemble, takes out the installation cover.

Optionally, the control assembly includes control rope and control ring, the installation cover slides from top to bottom and is provided with the mounting bar one-to-one and the top protrusion control post outside the installation cover, the control rope wears to locate the installation cover and one end is connected in the control bottom of the column, and the other end is connected in the mounting bar and is kept away from spout one side, the control ring is established at adapter sleeve periphery side from top to bottom slip cover, the setting can be dismantled at the installation cover top to the control post.

Through adopting above-mentioned technical scheme, support through the control ring and press the control post for the control rope pulling mounting bar is to the state of laminating installation cover, makes things convenient for the squeeze roll to get into the state of extrusion inner bag.

Optionally, a fixing bolt penetrates through the power plate, and the fixing bolt is in threaded connection with the top of the connecting sleeve.

Through adopting above-mentioned technical scheme, the power plate passes through fixing bolt to be fixed, easy to assemble, dismantlement.

In summary, the present application includes at least one of the following advantages:

1. when the inspection well is repaired, the power wheel is driven to rotate by impacting the power blade through the input hot water, so that the mounting sleeve enters a rotating state, the inner container is continuously extruded by the extrusion roller at the moment, and the attaching degree of the inner container at a position close to the top wall of the inspection well is improved;

2. the mounting bar can overturn from top to bottom for the erection column can overturn to vertical state, conveniently installs the installation, the dismantlement of cover.

Drawings

FIG. 1 is a schematic view of an embodiment of the present application showing squeezing rollers squeezing a liner;

FIG. 2 is a schematic diagram of an embodiment of the present application showing a power wheel rotating a transmission ring;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present application illustrating servicing of a square manhole;

FIG. 5 is an enlarged schematic view of section B of FIG. 4;

FIG. 6 is a schematic cross-sectional view of an embodiment of the present application illustrating servicing of a circular manhole;

fig. 7 is an enlarged schematic view of the portion C of fig. 6.

Reference numerals: 1. an inner container; 2. an input tube; 3. an output pipe; 4. installing a sleeve; 41. mounting a column; 411. connecting columns; 4111. a mounting frame; 412. a support column; 4121. an outer column; 4122. an inner column; 4123. a support spring; 413. extruding the ball; 414. mounting grooves; 415. a power spring; 416. a moving groove; 417. a drive rope; 418. a drive aperture; 419. a return spring; 42. a drive ring; 421. a drive rack; 43. fixing a column; 431. rolling a ball; 5. a squeeze roll; 6. connecting sleeves; 61. a transmission bevel gear; 62. a power gear; 63. a power wheel; 631. a power blade; 64. a power block; 65. a power plate; 651. an arc-shaped block; 652. fixing the bolt; 7. mounting a bar; 71. a chute; 72. a slider; 73. a drive spring; 74. a control column; 8. a control component; 81. a control cord; 82. a control loop; 821. and controlling the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a non-excavation repairing method for an inspection well. Referring to fig. 1, the inspection well trenchless repairing method comprises the following steps:

the method comprises the following steps: the inner container 1 is placed in an inspection well and inflated by air, and the inner container 1 is manufactured in advance according to the shape of the inspection well and is impregnated with thermosetting resin;

step two: the extrusion device is arranged on an input pipe 2 and an output pipe 3, the input pipe 2 is communicated with a boiler arranged on the ground, and the output pipe 3 is communicated with a water pump on the ground. The input pipe 2 and the output pipe 3 extend into the inner container 1 to drive the extrusion device to enter the inner container 1, so that the extrusion device is positioned close to the top wall of the inspection well, and the length of the output pipe 3 extending into the inner container 1 is greater than the length of the input pipe 2 extending into the inner container 1;

step three: let in cold water earlier through input tube 2 toward inner bag 1 inside, impact force when simultaneously inputing inner bag 1 through rivers drives extrusion device and extrudees inner bag 1, and the rivers in inner bag 1 are taken out and let in the boiler and heat to rethread output tube 3 for hot water begins to get into inner bag 1 and replaces out cold water through input tube 2. Hot water in the boiler enters the inner container 1 through the input pipe 2 and is discharged into the boiler from the output pipe 3 to realize circulation, so that the temperature of water flow in the inner container 1 starts to be continuously increased to heat the inner container 1, and meanwhile certain steam is generated after the temperature of the water flow is increased, so that certain pressure is kept in the inner container 1 to keep the inner container 1 in a bulging state;

step four: after the inner container 1 is hardened, taking out the input pipe 2, the output pipe 3 and the extrusion device, and finally cutting off the redundant inner container 1 at the bottom;

referring to fig. 1 and 2, the extrusion device in the second step includes a mounting sleeve 4 and an extrusion roller 5, a connecting sleeve 6 is sleeved on the outer peripheral sides of the input pipe 2 and the output pipe 3 of the hot water, the bottom end surface of the connecting sleeve 6 is adjacent to the bottom end surface of the input pipe 2, and a linkage column is fixedly connected between the input pipe 2 and the output pipe 3 and used for maintaining the states of the input pipe 2 and the output pipe 3. The periphery sides of the input pipe 2 and the output pipe 3 are respectively abutted against the inner wall of the connecting sleeve 6, the central axis of the connecting sleeve 6 is located in the middle of the connecting line of the input pipe 2 and the output pipe 3, a supporting plate is arranged on the periphery sides of the input pipe 2 and the output pipe 3, a connecting bolt is arranged on the supporting plate in a penetrating mode, and the connecting bolt is in threaded connection with the top of the connecting sleeve 6 to achieve installation and fixation of the connecting sleeve 6.

Referring to fig. 2 and 3, the mounting sleeve 4 is rotatably coupled to an outer circumferential side of the connection sleeve 6 by a bearing, and a top height of the mounting sleeve 4 is lower than a top height of the connection sleeve 6. The bottom fixedly connected with driving ring 42 of installing sleeve 4, driving ring 42 and the coaxial setting of installing sleeve 4 to the internal diameter of driving ring 42 is greater than the internal diameter of installing sleeve 4, and the internal periphery fixedly connected with transmission rack 421 of driving ring 42. The bottom of the connecting sleeve 6 is fixedly connected with a transmission shaft near the input tube 2, the transmission shaft is rotatably connected with a transmission bevel gear 61, the transmission bevel gear 61 is meshed with a transmission rack 421, and the transmission bevel gear 61 can drive the mounting sleeve 4 to rotate through the transmission rack 421 when rotating. Two power blocks 64 are symmetrically fixed at the bottom of the connecting sleeve 6 close to the transmission helical gear 61, a rotating shaft is rotatably connected on the power blocks 64, one end of the rotating shaft close to the transmission helical gear 61 protrudes out of the power blocks 64 and is fixedly connected with a power gear 62, and the power gear 62 is meshed with the transmission helical gear 61. A power wheel 63 is fixedly connected to the outer peripheral side of the rotating shaft, the power wheel 63 is positioned between two power blocks 64, and a plurality of power blades 631 are fixedly connected to the outer peripheral side of the power wheel 63 at regular intervals. When the input pipe 2 inputs hot water into the inner container 1, the hot water impacts the power blade 631 to drive the power wheel 63 to rotate, so that the rotating shaft drives the transmission helical gear 61 to rotate through the power gear 62, and the rotation of the mounting sleeve 4 is realized.

Referring to fig. 4 and 5, the outer circumferential side of the mounting sleeve 4 is provided with a plurality of mounting bars 7, and the mounting bars 7 are uniformly arranged at intervals along the circumferential direction with the central axis of the mounting sleeve 4 as the center of a circle. The mounting bar 7 is provided with the erection column 41 of rectangular square column structure apart from mounting sleeve 4 one side, and the erection column 41 just extends towards keeping away from mounting sleeve 4 direction with mounting bar 7 looks vertically. Mounting column 41 is far away from installation cover 4 one side and has seted up mounting groove 414, and mounting column 41 is provided with the spliced pole 411 of the rectangular square column structure of sliding in mounting groove 414, and spliced pole 411 can be towards the direction that is close to or keeps away from installation cover 4 and slide. The mounting post 41 is provided with an elastic member, the elastic member is a power spring 415, the power spring 415 is mounted in the mounting groove 414, one end of the power spring 415 abuts against one side of the connecting post 411 close to the mounting sleeve 4, and the other end abuts against the groove wall of the mounting groove 414.

Referring to fig. 5, a mounting frame 4111 in a C-shaped structure is connected to one side of the connecting column 411, which is far away from the mounting sleeve 4, through a screw thread, and the squeeze roller 5 is rotatably connected to the mounting frame 4111. During the maintenance, power spring 415 promotes spliced pole 411 and moves towards keeping away from the direction of installation cover 4 for squeeze roll 5 can the butt at inner bag 1 inner wall, extrudees inner bag 1 on the inspection shaft wall of a well, and the axis of squeeze roll 5 this moment is in vertical state, and squeeze roll 5 can roll at inner bag 1 inner wall when installation cover 4 is rotatory.

Referring to fig. 4 and 5, when a square inspection well is overhauled, the side wall of the inspection well on the periphery is in a rectangular wall structure, at the moment, the power spring 415 pushes the connecting column 411, so that the connecting column 411 can slide on the mounting column 41, and the squeezing roller 5 can keep the state of squeezing the liner 1 when the mounting sleeve 4 rotates, thereby realizing the purpose of improving the attaching degree of the liner 1 close to the top wall of the inspection well.

Referring to fig. 4 and 5, a sliding groove 71 which extends in the vertical direction and is in a T-shaped structure is formed in one side, away from the mounting sleeve 4, of the mounting bar 7, the mounting bar 7 is provided with a sliding block 72 in the T-shaped structure, the sliding block 72 slides up and down in the sliding groove 71, and the mounting column 41 is fixed on one side, away from the mounting sleeve 4, of the sliding block 72. The mounting bar 7 is provided with a driving spring 73, the driving spring 73 is mounted in the sliding groove 71, the top of the driving spring 73 abuts against the bottom of the sliding block 72, and the bottom of the driving spring 73 abuts against the bottom groove wall of the sliding groove 71. The top of the mounting column 41 is fixedly connected with a fixing column 43 close to the sliding block 72, the fixing column 43 is perpendicular to the mounting column 41, the top of the fixing column 43 is rotatably connected with a rolling ball 431, part of the rolling ball 431 protrudes out of the fixing column 43 during mounting, the maximum diameter of the protruding part is smaller than the radius of the rolling ball 431, and the possibility that the rolling ball 431 is separated from the fixing column 43 is reduced. The top of the connecting sleeve 6 is provided with a power plate 65 which is of an annular structure and coaxially arranged in a two-half structure, the power plate 65 is provided with a fixing bolt 652 in a penetrating manner, and the fixing bolt 652 is in threaded connection with the top of the connecting sleeve 6, so that the power plate 65 can be detachably fixed on the top of the connecting sleeve 6. The radius of the power plate 65 is larger than the distance between the rolling ball 431 and the central axis of the connecting sleeve 6, and the rolling ball 431 rolls at the bottom of the power plate 65. The bottom of the power plate 65 is fixedly connected with an arc-shaped block 651, the arc-shaped block 651 is provided with a plurality of blocks which are uniformly arranged at intervals along the circumferential direction by taking the central axis of the power plate 65 as the center of a circle, and the arc-shaped convex surface of the arc-shaped block 651 faces downwards. When the mounting sleeve 4 rotates, the rolling ball 431 can roll on the arc convex side of the arc block 651, and when the mounting sleeve is used, the elastic force of the driving spring 73 is released, so that the rolling ball 431 is kept rolling on the surfaces of the power plate 65 and the arc block 651. When the rolling ball 431 rolls on the arc-shaped block 651 and moves towards the position, away from the power plate 65, of the arc-shaped block 651, the fixed column 43 pushes the mounting column 41 to move downwards, and when the rolling ball 431 moves towards the power plate 65 from the side, away from the power plate 65, of the arc-shaped block 651, the mounting column 41 moves upwards under the pushing of the driving spring 73, so that the range, in which the squeezing roller 5 squeezes the liner 1, is increased.

Referring to fig. 3, a supporting column 412 is arranged at the top of the mounting column 41, the supporting column 412 includes an inner column 4122 and an outer column 4121, the outer column 4121 is connected with the mounting column 41, a supporting groove extending in the vertical direction is formed at the top of the outer column 4121, the inner column 4122 slides up and down in the supporting groove, the outer column 4121 is provided with a supporting spring 4123, one end of the supporting spring 4123 abuts against the bottom of the inner column 4122, and the other end abuts against the bottom groove wall of the supporting groove. The top of the inner post 4122 is rotatably connected with the squeeze ball 413, and when the device is installed, part of the squeeze ball 413 protrudes out of the inner post 4122, and the maximum diameter of the protruding part is smaller than the radius of the squeeze ball 413, so that the possibility that the squeeze ball 413 is separated from the inner post 4122 is reduced. During maintenance, the supporting spring 4123 is elastically released to push the inner column 4122 to move towards the top wall of the inspection well, so that the extrusion ball 413 can enable the inner container 1 to be abutted against the top wall of the inspection well, and the state that the inner container 1 is attached to the top wall of the inspection well is maintained.

Referring to fig. 5, in order to further increase the range of the squeezing ball 413 squeezing the liner 1, the top of the mounting column 41 is provided with a moving groove 416 extending along the length direction, the fixed column 43 is located between the moving groove 416 and the mounting bar 7, and the outer column 4121 slides in the moving groove 416. The outer circumference of the outer column 4121 is provided with a stopper, the opposite side walls of the moving groove 416 in the length direction are respectively provided with a blocking groove, and the stopper slides in the blocking groove to reduce the possibility that the outer column 4121 is separated from the moving groove 416. The mounting post 41 and the sliding block 72 are provided with mutually communicated driving holes 418, and one side opening of the driving hole 418 is positioned on the groove wall of the moving groove 416 close to the mounting sleeve 4, and the other side opening is positioned on the position of the sliding block 72 towards the groove wall of the bottom of the sliding groove 71. The mounting post 41 is provided with a drive member for driving the support post 412 to slide squarely towards the mounting sleeve 4. The driving piece is a driving rope 417, the driving rope 417 slides through the driving hole 418, one end of the driving rope 417 is fixed on one side of the outer column 4121 close to the mounting sleeve 4, and the other end is fixed on the bottom groove wall of the sliding groove 71. As the mounting post 41 moves upward, the drive cord 417 pulls the outer post 4121 to slide toward the mounting sleeve 4. The mounting post 41 is provided with an elastic restoring member, which is a restoring spring 419, the restoring spring 419 is mounted in the moving slot 416, the driving rope 417 passes through the restoring spring 419, one end of the restoring spring 419 abuts against one side of the outer post 4121 close to the mounting sleeve 4, and the other end abuts against one side wall of the moving slot 416 close to the mounting slot 414. When the mounting post 41 moves upwardly, the return spring 419 resiliently releases urging the outer post 4121 in a direction away from the mounting sleeve 4.

Referring to fig. 5, when the square manhole is repaired, the inner column 4122 presses the inner container 1 by the pressing ball 413 under the pushing of the supporting spring 4123 as the outer column 4121 moves.

Referring to fig. 6 and 7, when the circular inspection well is repaired, the top well wall of the inspection well, namely the transition well wall between the peripheral well wall of the inspection well and the wellhead peripheral port wall of the inspection well, is obliquely arranged at a certain angle. During maintenance, when the outer column 4121 slides towards the direction close to or away from the mounting sleeve 4, the inner column 4122 presses the inner container 1 according to the inclination angle of the transition well wall under the action of the supporting spring 4123.

Referring to fig. 4, for the convenience of taking out and putting in the mounting sleeve 4, the mounting bar 7 extends along the vertical direction and the hinge point is located the bottom of the mounting bar 7, so that the mounting bar 7 can be turned over vertically, the mounting bar 7 can be turned over downwards to enable the mounting column 41 to be in a vertical state during mounting, and the mounting sleeve 4 is conveniently taken out. The mounting sleeve 4 is provided with a control assembly 8 for controlling the mounting bar 7 to overturn.

Referring to fig. 4 and 5, the control assembly 8 includes a control rope 81 and a control ring 82, and a control slot extending in the vertical direction is provided at the top of the mounting sleeve 4, and the control slot is provided with a plurality of control slots corresponding to the mounting bars 7 one to one. The mounting sleeve 4 is provided with a control column 74 which slides up and down in the control groove, and a communication hole which penetrates to the outside of the mounting sleeve 4 towards the direction of the mounting bar 7 is formed in the groove wall of one side of the control groove, which is far away from the connecting sleeve 6. The control rope 81 slides in the communicating hole, one end of the control rope 81 is fixed at the position of the mounting bar 7 facing one side of the mounting sleeve 4 and close to the hinge point, and the other end is fixed at the bottom of the control column 74. The control ring 82 is of a circular ring plate structure, a control bolt 821 is arranged on the control ring 82 in a penetrating mode, and the control bolt 821 is connected to the top of the mounting sleeve 4 in a threaded mode. When the installation strip 7 is used, the control ring 82 is fixed to the top of the installation sleeve 4, the control ring 82 completely pushes the control column 74 into the control groove and keeps the state of the control column 74, and the control rope 81 is pulled when the control column 74 is pushed into the control groove, so that the installation strip 7 is turned over to be attached to the outer periphery of the installation sleeve 4. When the control ring 82 is separated from the control post 74, the mounting bar 7 is turned downward by the weight of the mounting post 41, so that the control cord 81 pulls the control post 74 to slide upward until it protrudes out of the control slot.

The implementation principle of the trenchless repair method for the inspection well in the embodiment of the application is as follows:

put into the inspection shaft earlier inner bag 1 during restoration, then with adapter sleeve 6, installation cover 4 and input tube 2, output tube 3 is connected, take off power board 65 and control ring 82 simultaneously, make erection column 41 be in vertical state, then with input tube 2, output tube 3 put into inner bag 1, drive installation cover 4, adapter sleeve 6 is close to the position of inspection shaft roof to inner bag 1, later installation control ring 82 makes installation strip 7 overturn to 4 periphery sides of laminating installation cover, install power board 65 again. Then, the input pipe 2 can be controlled to input hot water into the inner container 1, and the hot water impacts the power blade 631 to drive the power wheel 63 to rotate, so that the mounting sleeve 4 rotates. The installation cover 4 drives squeeze roll 5, squeeze ball 413 extrusion inner bag 1 when rotatory, promotes the laminating degree of inner bag 1 and inspection shaft inner wall, and spin 431 rolls on power plate 65 and arc piece 651 when installation cover 4 is rotatory simultaneously, drives support column 412 when the mount pad up-and-down motion this moment and is close to or keeps away from installation cover 4, promotes squeeze roll 5 and squeeze ball 413's extrusion scope.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The trenchless restoration method for the inspection well is characterized by comprising the following steps of:

the method comprises the following steps: placing the inner container (1) into an inspection well, and ventilating and expanding;

step two: the extrusion device is arranged on the input pipe (2) and the output pipe (3), and the input pipe (2) and the output pipe (3) extend into the liner (1) to drive the extrusion device to enter the liner (1), so that the extrusion device is positioned close to the top wall of the inspection well;

step three: cold water is firstly introduced into the inner container (1) through the input pipe (2), meanwhile, the extrusion device is driven to extrude the inner container (1) through impact force when water flow is input into the inner container (1), then, water flow in the inner container (1) is pumped out through the output pipe (3) and is introduced into a boiler to be heated, so that hot water starts to enter the inner container (1) through the input pipe (2) and is replaced with cold water, hot water in the boiler enters the inner container (1) through the input pipe (2), and is discharged into the boiler from the output pipe (3) to realize circulation, so that the temperature of the water flow in the inner container (1) starts to be continuously increased to heat the inner container (1), and meanwhile, certain steam is generated after the temperature of the water flow is increased, so that certain pressure is arranged in the inner container (1) to keep the state of swelling the inner container (1);

step four: after the inner container (1) is solidified, taking out the input pipe (2), the output pipe (3) and the extrusion device, and finally cutting off the redundant inner container (1) at the bottom;

the extrusion device of step two includes installation sleeve (4) and squeeze roll (5), input tube (2) are equipped with adapter sleeve (6) with output tube (3) overcoat, the rotatory cover of installation sleeve (4) is established at adapter sleeve (6) periphery side, the even interval of installation sleeve (4) periphery side is provided with erection column (41), erection column (41) are kept away from installation sleeve (4) one side and are slided and are provided with spliced pole (411) that can be close to or keep away from installation sleeve (4), spliced pole (411) are kept away from installation sleeve (4) one side and are provided with mounting bracket (4111), squeeze roll (5) are rotatory to be set up on mounting bracket (4111), erection column (41) are provided with drive connection post (411) and move to the elastic component of squeeze roll (5) extrusion inner bag (1) inner wall towards keeping away from installation sleeve (4) direction, erection column (41) top is provided with support column (412), support column (412) top swivelling joint has extrusion ball (413) that is used for inner bag (1), installation sleeve (4) bottom is provided with the transmission ring (42) of axis coincidence, helical gear (421) inner wall is provided with rack (421), helical gear (421) meshing mesh (61), the bottom of the connecting sleeve (6) is rotatably connected with a power gear (62) of which the central axis is positioned on the horizontal plane and is meshed with the transmission helical gear (61), the bottom of the connecting sleeve (6) is provided with a power wheel (63) for driving the power gear (62) to rotate, and the outer peripheral side of the power wheel (63) is uniformly provided with a plurality of power blades (631) for hot water input by the input pipe (2) to impact at intervals;

the mounting sleeve (4) is provided with a sliding groove (71) extending along the vertical direction on the outer peripheral side, the sliding groove (71) is provided with a plurality of sliding blocks (72) which slide in the sliding groove (71) up and down, the mounting column (41) is arranged on one side, far away from the connecting sleeve (6), of the sliding block (72), a driving spring (73) driving the sliding block (72) upwards is arranged in the sliding groove (71), the top of the mounting column (41) is provided with mutually vertical fixed columns (43), the top of each fixed column (43) is rotatably connected with a rolling ball (431), the top of the connecting sleeve (6) is provided with an annular structure and a power plate (65) coaxially arranged with the connecting sleeve (6), the rolling ball (431) is connected to the bottom of the power plate (65) in a rolling manner, the bottom of the power plate (65) is provided with an arc-shaped block (651) with an arc-shaped convex surface facing downwards, the arc-shaped block (651) is provided with a plurality of rolling balls (65) and is uniformly arranged along the circumferential direction by taking the central axis of the power plate (65), the arc-shaped block (651) is connected to the arc-shaped block (651) in a rolling manner, the arc-shaped block (412) comprises an outer column (4121) and an inner column (4121) which is arranged on the top of an outer column (4121) and an outer column (4121) which is arranged on the top of an outer column, the rolling ball (431) is rotatably connected to one side, away from the mounting column (41), of the inner column (4122), and a supporting spring (4123) which drives the inner column (4122) to slide towards the direction away from the mounting column (41) is arranged in the outer column (4121).

2. The trenchless rehabilitation method for the inspection well according to claim 1, wherein: the elastic component is power spring (415), installation cover (4) one side is kept away from in erection column (41) and is offered confession spliced pole (411) gliding mounting groove (414), power spring (415) are installed in mounting groove (414), power spring (415) one end butt is on spliced pole (411), and the other end butt is close to installation cover (4) one side cell wall in mounting groove (414).

3. The trenchless rehabilitation method for the inspection well according to claim 1, wherein: the mounting column (41) top is seted up along the shifting chute (416) that length direction extended, support column (412) slide in shifting chute (416), installation cover (4) are provided with when mounting column (41) upwards slide drive support column (412) towards being close to the driving piece of installation cover (4) direction motion, mounting column (41) are provided with when mounting column (41) downward motion drive support column (412) towards keeping away from the gliding elastic recovery piece of installation cover (4) direction.

4. The trenchless rehabilitation method for inspection wells according to claim 3, wherein: the driving piece is a driving rope (417), driving holes (418) which are communicated with each other and allow the driving rope (417) to slide are formed in the mounting column (41) and the sliding block (72), one side of each driving hole (418) is communicated to the moving groove (416), the other side of each driving hole penetrates through the bottom of the sliding block (72) to the outside, one end of the driving rope (417) is connected to one side, close to the mounting sleeve (4), of the support column (412), and the other end of the driving rope is connected to the bottom groove wall of the sliding groove (71).

5. The trenchless rehabilitation method for inspection wells as claimed in claim 4, wherein: the elastic restoring piece is a restoring spring (419), one end of the restoring spring (419) abuts against the supporting column (412), and the other end of the restoring spring abuts against the groove wall of the moving groove (416) close to one side of the mounting sleeve (4).

6. The trenchless rehabilitation method for inspection wells according to claim 5, wherein: the mounting sleeve (4) includes mounting bar (7) that extend along vertical direction, mounting bar (7) set up and set up at mounting sleeve (4) periphery side and even interval, spout (71) are seted up and are kept away from mounting sleeve (4) one side in mounting bar (7), articulated linking to each other and mounting bar (7) can overturn from top to bottom between mounting bar (7) bottom and mounting sleeve (4), mounting sleeve (4) are provided with and are used for controlling control assembly (8) of mounting bar (7) upset to laminating at mounting sleeve (4) periphery side.

7. The trenchless rehabilitation method for inspection wells according to claim 6, wherein: control assembly (8) are including control rope (81) and control ring (82), the installation cover (4) slides from top to bottom and is provided with control post (74) outside installation cover (4) with mounting bar (7) one-to-one and top protrusion, control rope (81) are worn to locate installation cover (4) and one end and are connected in control post (74) bottom, and the other end is connected and is kept away from spout (71) one side in installation bar (7), the connection can be dismantled at installation cover (4) top in control ring (82), control post (74) top butt is in control ring (82) bottom.

8. The trenchless rehabilitation method for inspection wells according to claim 7, wherein: and a fixing bolt (652) penetrates through the power plate (65), and the fixing bolt (652) is in threaded connection with the top of the connecting sleeve (6).

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