CN113623483A - Pipeline deformation non-excavation lifting repair device and method - Google Patents

Abstract

The invention provides a pipeline deformation non-excavation lifting repair device and a repair method, and the device comprises: the fixing component is fixedly arranged on the top surface of the inner wall of the pipeline; the lifting assembly comprises a lifting beam and a lifting piece, the lifting beam is horizontally arranged below the fixed assembly, and the upper end and the lower end of the lifting piece are respectively fixedly connected with the fixed assembly and the lifting beam; the lifting assembly comprises a lifting rod, a jacking element and a connecting cross beam, the connecting cross beam is horizontally arranged above the lifting beam, the lifting rod is provided with a plurality of lifting rods, the lower end of each lifting rod is fixedly connected with the bottom surface of the inner wall of the pipeline, the upper end of each lifting rod movably penetrates through the lifting beam and is fixedly connected with the connecting cross beam, the number of the jacking elements is at least two, and the two ends of each jacking element are respectively fixedly connected with the lifting beam and the connecting cross beam. The pipeline lifting repairing method is carried out in a non-excavation mode, the repairing device is simple in structure, construction operation in the pipeline is convenient and rapid, and the inner wall of the pipeline can be accurately and efficiently repaired.

Description

Pipeline deformation non-excavation lifting repair device and method

Technical Field

The invention relates to the technical field of pipeline repair, in particular to a pipeline deformation non-excavation lifting repair device and a pipeline deformation non-excavation lifting repair method.

Background

At present, urban drainage or water supply pipelines are one of important infrastructures for supporting social development and guaranteeing people's life, and pipeline maintenance is a necessary means for guaranteeing normal mechanism and function of the pipelines. The pipeline repairing work mainly carries out pipeline repairing through two repairing modes of excavation repairing and trenchless repairing. The pipeline is directly excavated through excavation repair, then the pipeline to be repaired is repaired, the environmental problem and the economic influence existing in the excavation repair of the pipeline are large, safety accidents such as damage of other pipelines are easily caused, and road traffic is easily occupied. Trenchless repair is increasingly important for low-impact and low-maintenance repair of infrastructure.

The existing drain pipe or water supply pipe mostly adopts metal pipelines, because metal has stronger toughness, the pipe can also work as usual after plastic deformation, for example, the underground metal pipeline has local weak areas, so that the inner wall of the pipeline is extruded and deformed under the action of high-pressure water, and then the bottom area of the pipeline is sunken downwards, although the pipeline is not broken, the inner diameter of the pipeline is increased, the sunken area is easy to break and break under the action of water pressure for a long time, water leakage is caused, and how to adopt non-excavation repair is the technical problem which needs to be solved at present.

Disclosure of Invention

In view of the above, the invention provides a pipeline deformation non-excavation lifting repair device and a pipeline deformation non-excavation lifting repair method, and the pipeline deformation bottom can be repaired in a non-excavation mode through an pipeline internal lifting mode.

The technical scheme of the invention is realized as follows:

in one aspect, the invention provides a pipeline deformation non-excavation lifting repair device, which comprises:

the fixing component is fixedly arranged on the top surface of the inner wall of the pipeline;

the lifting assembly comprises a lifting beam and a lifting piece, the lifting beam is horizontally arranged below the fixed assembly, and the upper end and the lower end of the lifting piece are respectively fixedly connected with the fixed assembly and the lifting beam;

the lifting assembly comprises a lifting rod, a jacking element and a connecting beam, wherein the connecting beam is horizontally arranged above the lifting beam, the lifting rod is provided with a plurality of lifting rods, the lifting rods are arranged vertically along the arc-shaped bottom surface of the pipeline at equal intervals, the lower ends of the lifting rods are fixedly connected with the bottom surface of the inner wall of the pipeline, the upper ends of the lifting rods movably penetrate through the lifting beam and are fixedly connected with the connecting beam, the jacking element is at least provided with two lifting rods, the fixed ends of the jacking element are fixedly arranged on the lifting beam, and the telescopic ends of the jacking element are fixedly connected with the connecting beam.

On above-mentioned technical scheme's basis, it is preferred, fixed subassembly includes top flange board, bottom flange board and crescent web, the top flange board is the arc setting, the upper surface and the laminating of pipeline inner wall top surface and fixed connection of top flange board, crescent web is provided with the polylith, and follows the equidistant fixed mounting of pipeline length direction at top flange board lower surface, bottom flange board level sets up in crescent web bottom and with crescent web and top flange board fixed connection, hoist and mount the upper end and the bottom flange board fixed connection of piece.

Preferably, a plurality of reinforcing rib plates are vertically arranged between two adjacent crescent beam webs at equal intervals, and the upper end and the lower end of each reinforcing rib plate are fixedly connected with the upper flange plate and the lower flange plate respectively.

Furthermore, preferably, an arc-shaped steel base plate is fixedly connected between the upper flange plate and the top surface of the inner wall of the pipeline, and the area of the arc-shaped steel base plate is equal to that of the upper flange plate.

On the basis of the technical scheme, preferably, the bottom of the lifting rod is fixedly connected with a pull rod bottom plate, the pull rod bottom plate is fixedly connected with the bottom surface of the inner wall of the pipeline, the lower surface profile of the pull rod bottom plate is matched with the profile of the inner wall of the pipeline, and a plurality of stiffening rib plates are fixedly connected between the lifting rod and the pull rod bottom plate.

On the basis of the technical scheme, preferably, the hoisting piece is a steel pipe, a movable passage for the hoisting piece to pass through is arranged on the connecting beam, the lower end of the hoisting piece is fixedly connected with the lifting beam, and the upper end of the hoisting piece is fixedly connected with the lower flange plate.

On the basis of the technical scheme, preferably, the hoisting part is a screw rod, the connecting beam and the lifting beam are respectively and correspondingly provided with a movable channel for the hoisting part to pass through, the upper end of the hoisting part passes through the movable channel on the connecting beam and is fixedly connected with the lower flange plate, and the lower end of the hoisting part passes through the movable channel on the lifting beam and is connected with the movable channel through an adjusting nut.

Preferably, the jacking element is a jack or a hydraulic cylinder.

On the other hand, the invention also provides a repairing method according to the pipeline deformation trenchless lifting repairing device, which comprises the following steps:

s1, carrying out pipeline deformation measurement, and determining the position of the pipeline needing deformation repair;

s2, conveying the pre-spliced fixing assembly, the lifting assembly and the pulling assembly to a position to be repaired of the pipeline through an access hole;

s3, fixedly connecting the spliced fixing assembly and the steel backing plate with the top surface of the inner wall of the pipeline into a whole through a tapping bolt;

s4, fixedly installing the lifting beam under the fixed component through the hoisting piece, and installing the connecting beam between the fixed component and the lifting beam;

s5, fixedly connecting the lower end of the lifting rod with the bottom surface of the inner wall of the pipeline, and fixedly connecting the upper end of the lifting rod with the connecting cross beam after movably penetrating through the lifting beam;

s6, vertically installing a plurality of jacking elements between the connecting cross beam and the lifting beam;

s7, three exhaust holes are formed in the bottom surface of the inner wall of the pipeline and are connected with the exhaust holes through a three-way joint, and two joints at two positions of the three-way joint are respectively connected with a one-way valve and a ball valve;

s8, synchronously jacking the connecting beam upwards by using a jacking element, driving the lifting rod to drive the bottom surface of the inner wall of the pipeline to lift upwards by using the connecting beam, closing the ball valve before and during lifting, and simultaneously inflating and pressurizing the outer side of the pipeline by using the one-way valve;

and S9, closing the one-way valve after the pipeline lifting repair is finished, and grouting and reinforcing the outer side of the pipeline through the middle ball valve.

Compared with the prior art, the invention has the following beneficial effects:

(1) the pipeline deformation non-excavation lifting repair device disclosed by the invention can enter a pipeline through an inspection opening, a fixing component, a lifting component and a lifting component are arranged in the pipeline, the fixing component is fixedly connected with the top surface of the inner wall of the pipeline and can provide a force application point for the whole lifting repair device, the lifting component is fixedly arranged right below the fixing component, a lifting element can be arranged on the lifting component, the connecting cross beam is lifted upwards through the lifting element, and the connecting cross beam can drive the lifting rod below the connecting cross beam to lift and repair the bottom surface of the inner wall of the pipeline, so that the sunken area of the inner wall of the pipeline is reset. The pipeline lifting repair method is carried out in a non-excavation mode, the repair device is simple in structure, construction operation in the pipeline is convenient and rapid, and the pipeline inner wall depression can be repaired accurately and efficiently;

(2) the arc-shaped base plate is arranged between the fixing component and the top surface of the inner wall of the pipeline, so that the top surface of the inner wall of the pipeline can be reinforced, and the deformation of the top surface of the inner wall of the pipeline in the lifting process is reduced;

(3) the lifting piece is arranged as a screw rod, so that the distance between the lifting beam and the fixing assembly can be adjusted, and therefore, jacking elements of different types can be replaced, and the jacking stroke of the jacking elements during the sunken repair of different pipelines can be met; (4) before and during lifting, the ball valve is in a closed state, and the one-way valve is used for inflating and pressurizing the outside of the pipeline, so that the pressure difference inside and outside the pipeline is consistent, the influence of negative pressure outside the pipeline wall on the pipeline in the lifting process is reduced, the pipeline is convenient to lift and repair, and meanwhile, in the inflating and pressurizing process, the phenomenon that slurry or water outside the pipeline is poured into the pipeline through the exhaust hole to affect construction can be avoided;

(5) after the pipeline lifting and repairing is completed, grouting is performed on the outer side of the pipeline through the middle ball valve, and whether grouting on the outer side of the pipeline is completed or not can be judged by conveniently observing grouting of the exhaust holes on two sides.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the working state of the pipe deformation trenchless lifting repair device disclosed by the invention;

FIG. 2 is a cross-sectional view of a pipeline deformation trenchless lifting repair device in a working state;

FIG. 3 is a schematic structural view of a fixing assembly according to the present disclosure;

FIG. 4 is a cross-sectional view of a mounting assembly of the present disclosure;

FIG. 5 is a schematic view of the connection between the lifting rod and the inner wall of the pipeline according to the present invention;

FIG. 6 is a schematic illustration of grouting after the repair of the present invention is completed;

reference numerals:

s, a pipeline; 1. a fixing assembly; 2. a lifting assembly; 3. a pull-up assembly; 21. lifting the beam; 22. hoisting a piece; 31. lifting a pull rod; 32. a jacking element; 33. connecting the cross beam; 11. an upper flange plate; 12. a lower flange plate; 13. a crescent beam web; 14. reinforcing rib plates; 15. a steel backing plate; 311. a tie bar base plate; 312. a stiffening rib plate; 4. and (4) exhausting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, with reference to fig. 2, an embodiment of the invention discloses a pipeline deformation trenchless lifting repair device, which comprises a fixing assembly 1, a lifting assembly 2 and a lifting assembly 3. Can transport above-mentioned part to pipeline S in when carrying out pipeline S restoration through the access hole, assemble and then carry out pipeline S and warp the restoration.

The fixing component 1 is fixedly installed on the top surface of the inner wall of the pipeline S and used for providing a force application action point for the whole lifting repair device.

The lifting assembly 2 comprises a lifting beam 21 and a lifting piece 22, the lifting beam 21 is horizontally arranged below the fixed assembly 1, and a preset distance is arranged between the lifting beam 21 and the fixed assembly 1 to meet the requirement of moving stroke range during lifting. The upper end and the lower end of the hoisting piece 22 are respectively fixedly connected with the fixed component 1 and the lifting beam 21, and the lifting component 2 is used for providing an upward force application platform for the lifting component 3.

The lifting assembly 3 is used for lifting a concave area of the bottom surface of the inner wall of the pipeline S upwards, and specifically, the lifting assembly 3 comprises a lifting rod 31, a jacking element 32 and a connecting cross beam 33, the connecting cross beam 33 is horizontally arranged above the lifting beam 21, the lifting rod 31 is provided with a plurality of lifting rods 31, the lifting rods 31 are vertically arranged along the arc-shaped bottom surface of the pipeline S at equal intervals, therefore, the balanced stress can be ensured in the lifting process, the lower end of the lifting rod 31 is fixedly connected with the bottom surface of the inner wall of the pipeline S, the upper end of the lifting rod 31 movably penetrates through the lifting beam 21 and is fixedly connected with the connecting cross beam 33, at least two jacking elements 32 are arranged, the fixed ends of the jacking elements 32 are fixedly arranged on the lifting beam 21, the telescopic ends of the jacking elements 32 are fixedly connected with the connecting cross beam 33, the plurality of jacking elements 32 form a jacking system, the jacking elements 32 are fixed on the lifting beam 21 and are integrated with the lifting assembly 2 and the fixed assembly 1, in the process of synchronous jacking operation of the jacking element 32, the connecting cross beam 33 can be jacked upwards, the connecting cross beam 33 drives the lifting rod 31 to lift the bottom surface of the inner wall of the pipeline S upwards in the process of jacking upwards, and then the sunken area of the inner wall of the pipeline S is reset.

The lifting repair device is simple in structure, the lifting repair method is carried out in a non-excavation mode, construction operation in the pipeline S is convenient and rapid, and the inner wall of the pipeline S can be repaired accurately and efficiently.

The invention is also realized by the following technical scheme.

For realizing that fixed subassembly 1 provides the application of force point as whole lifting prosthetic devices, this embodiment has adopted some preferred embodiments, it is concrete, refer to fig. 2-4 and show, fixed subassembly 1 includes upper limb listrium 11, lower limb listrium 12 and crescent moon web 13, upper limb listrium 11 is the arc setting, the upper surface and the laminating of pipeline S inner wall top surface and fixed connection of upper limb listrium 11, in the actual work in-process, upper limb listrium 11 adopts the tapping bolt to be connected with pipeline S inner wall, upper limb listrium 11 and the laminating fixed connection of pipeline S inner wall, can increase lifting surface, reduce the in-process of pulling, pipeline S inner wall top surface sunken deformation takes place. Crescent beam web 13 is provided with the polylith, and follow pipeline S length direction equidistant fixed mounting at 11 lower surfaces of upper flange board, lower flange board 12 level sets up in crescent beam web 13 bottom and with crescent beam web 13 and upper flange board 11 fixed connection, hoist and mount 22' S upper end and lower flange board 12 fixed connection, from this set up, can make and establish firm connection relation through crescent beam web 13 between upper flange board 11 and the lower flange board 12, improve the structural strength of whole fixed subassembly 1, satisfy lift subassembly 2 and lift subassembly 3 reliable and stable lift and carry the operation.

In order to make the whole structure of the fixing component 1 stronger, the preferred schemes are adopted in the implementation, specifically, a plurality of reinforcing rib plates 14 are vertically installed between two adjacent crescent beam webs 13 at equal intervals, and the upper end and the lower end of each reinforcing rib plate 14 are respectively fixedly connected with the upper flange plate 11 and the lower flange plate 12. From this setting up, make to constitute network structure between crescent beam web 13 and deep floor 14, structural strength between crescent beam web 13 has been increased, it is crooked to reduce crescent beam web 13 deformation when the atress, and then can make down flange board 12 pass through network structure's crescent beam web 13 and be connected stably between upper limb flange board 11, the network structure that deep floor 14 and crescent beam web 13 are constituteed can increase and upper limb flange board 11 and the contact point of being connected of lower flange board 12, and then make whole fixed subassembly 1 combination structural strength more firm.

Because jacking element 32 is when the jacking, on reaction force can be used to lift roof beam 21, lift roof beam 21 applys down pulling force to fixed subassembly 1 through hoist and mount piece 22, in order to avoid lifting the in-process, pipeline S inner wall top surface appears sunken deformation, this implementation has adopted some preferred embodiments, specifically, still fixedly connected with arc steel backing plate 15 between last flange board 11 and pipeline S inner wall top surface, the area of arc steel backing plate 15 equals with the area of last flange board 11. From this setting, steel backing plate 15 through the arc structure can consolidate pipeline S inner wall top surface, increases pipeline S inner wall intensity through increase pipeline S inner wall thickness, and then reduces and warp at promotion in-process pipeline S inner wall top surface.

In order to enable the lifting rod 31 to be firmly and fixedly connected with the bottom surface of the inner wall of the pipeline S, the present embodiment adopts some preferred embodiments, specifically, as shown in fig. 5, a rod bottom plate 311 is further fixedly connected to the bottom of the lifting rod 31, the rod bottom plate 311 is used for being fixedly connected with the bottom surface of the inner wall of the pipeline S, the lower surface profile of the rod bottom plate 311 is adapted to the inner wall profile of the pipeline S, therefore, the pull rod base plate 311 is arranged between the lifting rod 31 and the inner wall of the pipeline S, so that the pull rod base plate 311 can be conveniently and fixedly connected with the bottom surface of the inner wall of the pipeline S through the tapping bolt, meanwhile, the pull rod bottom plate 311 with the arc structure has better fit with the inner wall of the pipeline S, avoids stress concentration during lifting, the inner wall of the pipeline S is damaged by stretching, and a plurality of stiffening rib plates 312 are fixedly connected between the lifting rod 31 and the pull rod bottom plate 311, so that the structural strength of the whole lifting rod 31 can be improved.

For some embodiments, the lifting member 22 is a steel pipe, the connecting beam 33 is provided with a movable passage for the lifting member 22 to pass through, the lower end of the lifting member 22 is fixedly connected with the lifting beam 21, and the upper end of the lifting member 22 is fixedly connected with the lower flange plate 12. From this setting, use the steel pipe as hoist and mount piece 22, can reduce the weight of whole lifting assembly 2, also make things convenient for connecting crossbeam 33 simultaneously and can follow the steel pipe and reciprocate.

In other embodiments, the lifting member 22 is a screw, the connecting beam 33 and the lifting beam 21 are respectively and correspondingly provided with a movable passage through which the lifting member 22 passes, the upper end of the lifting member 22 passes through the movable passage on the connecting beam 33 and is fixedly connected with the lower flange plate 12, and the lower end of the lifting member 22 passes through the movable passage on the lifting beam 21 and is connected with the movable passage through an adjusting nut. From this setting, can adjust the interval between lifting beam 21 and the fixed subassembly 1 through adjusting nut of adjusting screw below to the jacking component 32 of different models can be changed, jacking component 32 jacking stroke when satisfying different pipeline S sunken restoration.

In this embodiment, the jacking elements 32 are jacks or hydraulic cylinders, and the plurality of jacking elements 32 form a jacking system, and the jack-level hydraulic cylinders are commonly used jacking pieces in the prior art.

The invention also discloses a pipeline deformation trenchless lifting repair method, which comprises the following steps:

s1, carrying out deformation measurement on the pipeline S, and determining the position of the pipeline S which needs deformation repair; specifically, the inspection can be carried out in the pipeline S through the access hole, so that the bottom concave position of the inner wall of the pipeline S is determined;

s2, conveying the pre-spliced fixing assembly 1, lifting assembly 2 and lifting assembly 3 to a position to be repaired of the pipeline S through an access hole, wherein the fixing assembly 1 can be assembled in advance when entering the pipeline S, and the lifting assembly 2 and the lifting assembly 3 can be assembled after entering the pipeline S as required;

s3, fixedly connecting the spliced fixing assembly 1 and the steel backing plate 15 with the top surface of the inner wall of the pipeline S into a whole through a tapping bolt, reinforcing the strength of the top surface of the inner wall of the pipeline S through the steel backing plate 15, and fixing the fixing assembly 1 and the inner wall of the pipeline S into a whole to be used as a lifting action point;

s4, fixedly installing the lifting beam 21 under the fixed component 1 through the hoisting piece 22, installing the connecting beam 33 between the fixed component 1 and the lifting beam 21, and enabling the hoisting piece 22 to movably penetrate through the connecting beam 33;

s5, fixedly connecting the lower end of the lifting rod 31 with the bottom surface of the inner wall of the pipeline S, and fixedly connecting the upper end of the lifting rod 31 with the connecting cross beam 33 after movably penetrating through the lifting beam 21;

s6, vertically installing a plurality of jacking elements 32 between the connecting cross beam 33 and the lifting beam 21;

s7, arranging three exhaust holes 4 on the bottom surface of the inner wall of the pipeline S, and connecting the exhaust holes 4 through a three-way joint, wherein two joints of the three-way joint are respectively connected with a one-way valve and a ball valve;

s8, synchronously jacking the connecting cross beam 33 upwards by utilizing the jacking element 32, driving the lifting rod 31 to drive the bottom surface of the inner wall of the pipeline S to lift upwards by utilizing the connecting cross beam 33, closing the ball valve before and during lifting, and simultaneously inflating and pressurizing the outer side of the pipeline S by utilizing the one-way valve, so that the pressure difference between the inside and the outside of the pipeline S can be consistent, the influence of the negative pressure outside the wall of the pipeline S on the pipeline S during lifting is reduced, the lifting and repairing of the pipeline S are convenient, and simultaneously, in the inflating and pressurizing process, the influence of slurry or water outside the pipeline S in the lifting process can be avoided;

s9, after the pipeline lifting repair is completed, closing the one-way valve, grouting and reinforcing the outer side of the pipeline S through the middle ball valve, after the pipeline S is lifted and repaired, injecting high-strength grouting material into the outer side of the pipeline S through the middle ball valve, referring to the attached drawing 6, when grouting of the exhaust holes 4 at two sides is observed, judging that grouting of the outer side of the pipeline S is completed, and finally screwing down and plugging through a plug bolt.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The utility model provides a prosthetic devices is carried in non-excavation of pipeline deformation which characterized in that includes:

the fixing component (1) is fixedly arranged on the top surface of the inner wall of the pipeline;

the lifting assembly (2) comprises a lifting beam (21) and a lifting piece (22), the lifting beam (21) is horizontally arranged below the fixed assembly (1), and the upper end and the lower end of the lifting piece (22) are respectively fixedly connected with the fixed assembly (1) and the lifting beam (21);

carry and draw subassembly (3), including lifting rod (31), jacking component (32) and connection crossbeam (33), connect crossbeam (33) level setting in the top of lifting beam (21), lifting rod (31) are provided with a plurality of, and lifting rod (31) are along the equidistant vertical setting in pipeline arc bottom surface, the lower extreme and the pipeline inner wall bottom surface fixed connection of lifting rod (31), and the upper end activity of lifting rod (31) is passed lifting beam (21) and with connection crossbeam (33) fixed connection, and jacking component (32) are provided with two at least, and the stiff end fixed mounting of jacking component (32) is on lifting beam (21), the flexible end and the connection crossbeam (33) fixed connection of jacking component (32).

2. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 1, wherein: fixed subassembly (1) includes top flange board (11), lower flange board (12) and crescent beam web (13), top flange board (11) is the arc setting, the upper surface and the laminating of pipeline inner wall top surface and fixed connection of top flange board (11), crescent beam web (13) are provided with the polylith, and follow the equidistant fixed mounting of pipeline length direction at top flange board (11) lower surface, lower flange board (12) level sets up in crescent beam web (13) bottom and with crescent beam web (13) and top flange board (11) fixed connection, the upper end and lower flange board (12) fixed connection of hoist and mount piece (22).

3. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 2, wherein: a plurality of reinforcing rib plates (14) are vertically arranged between two adjacent crescent beam webs (13) at equal intervals, and the upper end and the lower end of each reinforcing rib plate (14) are fixedly connected with the upper flange plate (11) and the lower flange plate (12) respectively.

4. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 2, wherein: and an arc-shaped steel base plate (15) is fixedly connected between the upper flange plate (11) and the top surface of the inner wall of the pipeline, and the area of the arc-shaped steel base plate (15) is equal to that of the upper flange plate (11).

5. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 1, wherein: the bottom of the lifting rod (31) is fixedly connected with a pull rod bottom plate (311), the pull rod bottom plate (311) is fixedly connected with the bottom surface of the inner wall of the pipeline, the lower surface profile of the pull rod bottom plate (311) is matched with the profile of the inner wall of the pipeline, and a plurality of stiffening rib plates (312) are fixedly connected between the lifting rod (31) and the pull rod bottom plate (311).

6. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 2, wherein: the lifting piece (22) is a steel pipe, a movable channel for the lifting piece (22) to pass through is arranged on the connecting cross beam (33), the lower end of the lifting piece (22) is fixedly connected with the lifting beam (21), and the upper end of the lifting piece (22) is fixedly connected with the lower flange plate (12).

7. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 2, wherein: the lifting piece (22) is a screw rod, a movable channel for the lifting piece (22) to pass through is correspondingly arranged on the connecting cross beam (33) and the lifting beam (21), the upper end of the lifting piece (22) passes through the movable channel on the connecting cross beam (33) and is fixedly connected with the lower flange plate (12), and the lower end of the lifting piece (22) passes through the movable channel on the lifting beam (21) and is connected through an adjusting nut.

8. The trenchless lifting repair apparatus for pipe deformation as claimed in claim 1, wherein: the jacking element (32) is a jack or a hydraulic oil cylinder.

9. A pipeline deformed trenchless lifting repair method which utilizes the pipeline deformed trenchless lifting repair device as claimed in any one of claims 1 to 8, characterized by comprising the following steps:

s1, carrying out pipeline deformation measurement, and determining the position of the pipeline needing deformation repair;

s2, conveying the pre-spliced fixing assembly (1), the lifting assembly (2) and the lifting assembly (3) to a position to be repaired of the pipeline through an access hole;

s3, fixedly connecting the spliced fixing assembly (1) and the steel backing plate (15) with the top surface of the inner wall of the pipeline into a whole through tapping bolts;

s4, fixedly installing the lifting beam (21) under the fixed component (1) through the hoisting piece (22), and installing the connecting beam (33) between the fixed component (1) and the lifting beam (21);

s5, fixedly connecting the lower end of the lifting rod (31) with the bottom surface of the inner wall of the pipeline, and fixedly connecting the upper end of the lifting rod (31) with the connecting cross beam (33) through the lifting beam (21);

s6, vertically installing a plurality of jacking elements (32) between the connecting cross beam (33) and the lifting beam (21);

s7, arranging a plurality of exhaust holes (4) on the bottom surface of the inner wall of the pipeline, and connecting the exhaust holes (4) through a three-way joint, wherein two joints of the three-way joint are respectively connected with a one-way valve and a ball valve;

s8, synchronously jacking the connecting cross beam (33) by using the jacking element (32), driving the lifting rod (31) by the connecting cross beam (33) to drive the bottom surface of the inner wall of the pipeline to lift upwards, closing the ball valve before and during lifting, and simultaneously inflating and pressurizing the outer side of the pipeline by using the one-way valve;

and S9, closing the one-way valve after the pipeline lifting repair is finished, and grouting and reinforcing the outer side of the pipeline through the middle ball valve.

Images