CN112228690A

CN112228690A - Traction type trenchless pipeline repairing device and repairing method

Info

Publication number: CN112228690A
Application number: CN202011226653.3A
Authority: CN
Inventors: 陈建东; 林健
Original assignee: Wenzhou Fucheng Construction Engineering Co ltd
Current assignee: Wenzhou Fucheng Construction Engineering Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-01-15

Abstract

The invention discloses a traction type trenchless pipeline repairing device and a repairing method, which comprises a ground soil layer, wherein the top of the ground soil layer is provided with the ground soil layer, the front side and the rear side of the bottom of an inner cavity of the ground soil layer are fixedly provided with bottom moving devices, the two sides of the top of the ground soil layer are provided with traction mechanisms, the inner cavity of the ground soil layer is connected with a supporting transverse plate in a sliding way, and the two sides of the bottom of the supporting transverse plate are fixedly provided with positioning columns. And the later maintenance cost is also reduced.

Description

Traction type trenchless pipeline repairing device and repairing method

Technical Field

The invention relates to the technical field of trenchless, in particular to a traction type trenchless pipeline repairing device and a repairing method.

Background

The non-excavation is a new construction technology for laying, replacing and repairing various underground pipelines by utilizing various rock-soil drilling equipment and technical means under the condition of excavating on a very small part of the earth surface (generally referred to as small-area excavation at an inlet and an outlet) in the modes of guiding, directional drilling and the like, does not obstruct traffic, does not damage green lands and vegetation, does not influence the normal life and work order of shops, hospitals, schools and residents, solves the problem that the traditional excavation construction interferes with the life of the residents, and damages and adverse effects on the traffic, environment and the foundation of surrounding buildings, and therefore has higher social and economic effects.

In the damaged repair of pipeline, in order not to influence the normal life and the work order of shop, hospital, school and resident, adopt the non-excavation mode to restore the pipeline, but traditional repair mode has following defect:

one, traditional non-excavation repair methods is generally to excavate the opening of a small area on the ground at pipeline place, then the manual work is with the damaged position excision of pipeline, again the manual work shifts out damaged pipeline, changes new pipeline, and repair methods like this need the manpower that drops into too much, and working strength is too high, and the efficiency of construction is low.

Two, when placing new pipeline, manual operation is difficult to align the pipeline for there is the leak in last sealing work, more makes whole pipe-line system leak, thereby causes the condition that pipe-line system appears leaking, influences shop, hospital, school and resident's normal life and work order, increases the cost of maintenance in later stage.

Disclosure of Invention

The invention aims to provide a traction type trenchless pipeline repairing device and a repairing method, which have the advantages of reducing the human input, reducing the working strength, improving the working strength, being capable of accurately aligning and improving the sealing performance of a pipeline, and solve the problems that in the traditional trenchless repairing mode, a small-area opening is generally excavated on the ground where the pipeline is positioned, then the damaged part of the pipeline is manually cut off, then the damaged pipeline is manually moved out, a new pipeline is replaced, so that the repairing mode has the defects of excessive human input, overhigh working strength and low construction efficiency, when the new pipeline is placed, the pipeline is difficult to align by manual operation, the final sealing work has a leak, the whole pipeline system has a leak, the water leakage condition of the pipeline system is caused, and the normal life and working order of shops, hospitals, schools and residents are influenced, increase the later maintenance cost.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a towed non-excavation pipeline prosthetic devices, includes the ground soil horizon, the top on ground soil horizon is provided with equipment frame, the equal fixed mounting in front side and the rear side of equipment frame inner chamber bottom has bottom mobile device, the both sides at equipment frame top all are provided with drive mechanism, the inner chamber sliding connection of equipment frame has the bearing diaphragm, the equal fixed mounting in both sides of bearing diaphragm bottom has the reference column, and two relative one sides of reference column all are provided with the cutting mechanism of fixed mounting in bearing diaphragm bottom, the bottom of bearing diaphragm is run through and is provided with the mechanism of taking, the inside of the mechanism of taking is provided with fixture.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the rope hanging rings are arranged on two sides of the equipment frame and are detachably mounted on the equipment frame through screw rods.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the pipeline body is buried in the ground soil layer, and the bottom of the clamping mechanism is sleeved on the surface of the pipeline body.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: traction mechanism is including the layer board of welding at equipment frame both sides top, the top fixed mounting of layer board has motor one, the output shaft fixed mounting of motor one has the wheel of receive and release, the surface winding that receives and releases the wheel has the haulage rope, the equal fixedly connected with in both sides at equipment frame top has the leading wheel of similar joining in marriage with the haulage rope, the equal fixedly connected with haulage rope link in both sides at bearing diaphragm top, the haulage rope is kept away from the one end fixed mounting that receives and releases the wheel on the haulage rope link.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the bottom of the positioning column extends into the ground soil layer, and a groove matched with the pipeline body is formed in the bottom of the positioning column.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: cutting mechanism includes at the gliding carriage of surface of reference column and the cylinder of fixed mounting in bearing diaphragm bottom, the output and the carriage fixed connection of cylinder, the inner chamber fixedly connected with baffle of carriage, the bottom fixed mounting of carriage inner chamber has motor two that is located the baffle right side, the output shaft of motor two runs through to one side and the fixedly connected with cutting wheel of baffle.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the mechanism of taking is including welding the shell in bearing diaphragm bottom, and the inner chamber of shell runs through to be provided with gliding removal skeleton on the bearing diaphragm, the bottom fixedly connected with installation piece of shell inner chamber, the top fixed mounting of installation piece has motor three, the output shaft fixed mounting of motor three has the gear, the right side fixedly connected with of removing the skeleton has the pinion rack of gear engaged with, the left side sliding connection of removing the skeleton has the spacing slider of fixed connection on the shell inner wall.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the fixture is including setting up the centre gripping arm in removal skeleton inner chamber both sides, and top between two centre gripping arms is run through and is provided with the rotation lead screw, the surface and the centre gripping arm threaded connection of rotation lead screw, the both ends of rotating the lead screw are run through respectively to the both sides and the fixed mounting that remove the skeleton and are rotated the handle, the bottom fixed mounting of centre gripping arm has the grip block.

The invention is used for the towed trenchless pipeline rehabilitation device as described above, further comprising: the threads on the two sides of the surface of the rotary screw rod are arranged in opposite directions.

A use method of a traction type trenchless pipeline repairing device comprises the following steps:

first, a worker uses an excavating device or an excavating tool to dig an opening in the ground soil layer and to leak out the pipe body, and then attaches the upper rope through the vehicle and attaches the other end of the rope to the rope hitch, thereby moving the entire prosthetic device over the opening.

And secondly, a user controls a starting motor to drive a retracting wheel to rotate and unreel the traction rope, all parts on a bearing transverse plate are driven to move downwards under the action of gravity of the taking mechanism and the clamping mechanism, the bearing transverse plate slides in the inner cavity of the equipment frame in the period, and sliding grooves matched with the bearing transverse plate are formed in the two sides of the inner cavity of the equipment frame.

Before moving down, the user rotates the rotation handle and drives the rotation lead screw to rotate, so that the two clamping arms move reversely in the inner cavity of the movable framework to adjust to the maximum distance, when the positioning column moves downwards to the bottom of the opening and is sleeved on the surface of the pipeline body, the two clamping plates are also respectively positioned on two sides of the pipeline body, and at the moment, the rotation handle rotates reversely, so that the two clamping arms move oppositely to drive the two clamping plates to move oppositely, and the pipeline body is clamped.

Fourthly, user control starts the cylinder and drives the sliding frame and slide on the surface of reference column and move down to two drive cutting wheels of starter motor rotate simultaneously, move down when cutting mechanism is whole and cut the pipeline body through the cutting wheel when contacting the pipeline body, so can cut the damaged portion of pipeline body.

Fifthly, the user controls the three driving gears of the starting motor to rotate, the gear drives the toothed plate to move up, the movable framework is driven to move up at the same time, the damaged pipeline body part can be moved out of the whole pipeline body, the movable floor is moved, then the user controls the clamping mechanism to loosen the damaged part of the pipeline body, the pipeline body which is new and has the same size with the pipeline body is replaced, the pipeline body is placed between the two clamping plates and clamped, then the three driving gears of the motor are controlled to move down, the new pipeline body is placed to the original position from the new position, the user seals the joint by using a sealing material, and finally the rotary handle is rotated to loosen the clamping plates.

Sixthly, the user control motor drives and receive and releases wheel antiport, with the haulage rope rolling to on the pulling bearing diaphragm, and then all parts on the bearing diaphragm pull out in the opening, operate again that the whole prosthetic devices of carrier pulling move away can, accomplish the repair work of pipeline body, such repair process all adopts mechanical automation work, reduces the input of manpower, reduces staff's working strength, improves the efficiency of construction.

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

1. when the pipeline butt joint device is actually used, the whole replacement process is completely mechanized, the labor input is reduced, the cost is reduced, the working strength is reduced, the construction efficiency is improved, in addition, when the pipeline is in butt joint, the positioning column, the taking mechanism and the clamping mechanism can realize accurate butt joint, the sealing performance of the pipeline is improved, the possibility of water leakage of a pipeline system in the later period is reduced, the normal life and the work of residents are facilitated, and the later maintenance cost is also reduced.

2. According to the invention, through the arrangement of the positioning columns, the positioning columns can play a positioning role in cutting the pipeline in the early stage and butting the pipeline in the later stage, so that the pipeline can be accurately butted, and the sealing property of a pipeline system is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the apparatus frame of the present invention;

FIG. 3 is a perspective view of the positioning post of the present invention;

FIG. 4 is a perspective view of the cutting mechanism of the present invention;

FIG. 5 is a perspective view of the take-up mechanism of the present invention;

FIG. 6 is a perspective assembly view of the take-up mechanism and clamping mechanism of the present invention;

fig. 7 is a perspective view of the clamping mechanism of the present invention.

In the figure: 1. a ground soil layer; 2. an equipment frame; 3. a bottom moving device; 4. a traction mechanism; 5. supporting a transverse plate; 6. a positioning column; 7. a cutting mechanism; 8. a fetching mechanism; 9. a clamping mechanism; 10. a rope suspension loop; 11. a pipe body; 41. a support plate; 42. a first motor; 43. a retracting wheel; 44. a hauling rope; 45. a guide wheel; 46. a pull rope suspension loop; 71. a cylinder; 72. a carriage; 73. a second motor; 74. a partition plate; 75. a cutting wheel; 81. mounting blocks; 82. a third motor; 83. a gear; 84. moving the framework; 85. a toothed plate; 86. a limiting slide block; 91. a clamp arm; 92. rotating the screw rod; 93. rotating the handle; 94. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-7, the invention provides a technical scheme, a traction type trenchless pipeline repairing device, which comprises a ground soil layer 1, an equipment frame 2 is arranged on the top of the ground soil layer 1, bottom moving devices 3 are fixedly arranged on the front side and the rear side of the bottom of an inner cavity of the equipment frame 2, traction mechanisms 4 are arranged on both sides of the top of the equipment frame 2, each traction mechanism 4 comprises a supporting plate 41 welded on both sides of the top of the equipment frame 2, a motor 42 is fixedly arranged on the top of the supporting plate 41, a retractable wheel 43 is fixedly arranged on an output shaft of the motor 42, a traction rope 44 is wound on the surface of the retractable wheel 43, guide wheels 45 matched with the traction rope 44 are fixedly connected on both sides of the top of the equipment frame 2, traction rope hanging rings 46 are fixedly connected on both sides of the top of a supporting transverse plate 5, one end of the traction rope 44 far away from the retractable wheel 43 is fixedly arranged, the inner cavity of the equipment frame 2 is connected with a bearing transverse plate 5 in a sliding manner, positioning columns 6 are fixedly arranged on two sides of the bottom of the bearing transverse plate 5, through the arrangement of the positioning columns 6, a cutting pipeline in the early stage and a pipeline in the later stage are butted, the positioning columns 6 can play a positioning role, so that the pipelines can be butted accurately, the sealing performance of a pipeline system is improved, cutting mechanisms 7 fixedly arranged at the bottom of the bearing transverse plate 5 are arranged on one sides opposite to the two positioning columns 6, each cutting mechanism 7 comprises a sliding frame 72 sliding on the surface of each positioning column 6 and an air cylinder 71 fixedly arranged at the bottom of the bearing transverse plate 5, the output end of each air cylinder 71 is fixedly connected with the corresponding sliding frame 72, a partition plate 74 is fixedly connected with the inner cavity of the corresponding sliding frame 72, a second motor 73 positioned on the right side of the partition plate 74 is fixedly, the taking mechanism 8 is arranged at the bottom of the supporting transverse plate 5 in a penetrating manner, the taking mechanism 8 comprises a shell welded at the bottom of the supporting transverse plate 5, a moving framework 84 sliding on the supporting transverse plate 5 is arranged in an inner cavity of the shell in a penetrating manner, an installation block 81 is fixedly connected at the bottom of the inner cavity of the shell, a third motor 82 is fixedly installed at the top of the installation block 81, a gear 83 is fixedly installed on an output shaft of the third motor 82, a toothed plate 85 meshed with the gear 83 is fixedly connected to the right side of the moving framework 84, a limiting slide block 86 fixedly connected to the inner wall of the shell is slidably connected to the left side of the moving framework 84, a clamping mechanism 9 is arranged inside the taking mechanism 8, the clamping mechanism 9 comprises clamping arms 91 arranged at two sides of the inner cavity of the moving framework 84, a rotating lead screw 92 is arranged at the top between the two clamping arms 91 in a penetrating manner, the surface of the rotating lead screw 92 is in threaded connection, the bottom fixed mounting of centre gripping arm 91 has grip block 94, the both sides of equipment frame 2 all are provided with rope link 10, rope link 10 is on equipment frame 2 through lead screw demountable installation, pipeline body 11 has been buried underground to ground soil layer 1's inside, the surface at pipeline body 11 is established to fixture 9's bottom cover, ground soil layer 1's inside is stretched into to reference column 6's bottom, the recess with 11 looks adaptations of pipeline body is seted up to reference column 6's bottom, the screw thread that rotates lead screw 92 surface both sides is opposite direction setting.

first, a worker uses an excavating device or an excavating tool to dig an opening in the ground soil layer 1 and to leak out the pipe body 11, and then attaches the rope by a vehicle and attaches the other end of the rope to the rope hitch 10, thereby moving the entire prosthetic device above the opening.

Secondly, the user controls the starting motor 42 to drive the winding and unwinding wheel 43 to rotate and unwind the traction rope 44, and drives all the components on the supporting transverse plate 5 to move downwards under the action of the gravity of the taking mechanism 8 and the clamping mechanism 9, and the supporting transverse plate 5 slides in the inner cavity of the equipment frame 2 in the period, and sliding grooves matched with the supporting transverse plate 5 are formed in the two sides of the inner cavity of the equipment frame 2.

Before moving down, the user rotates the rotation handle 93 and drives the rotation lead screw 92 to rotate, make two grip arms 91 adjust to the biggest interval at the inner chamber reverse movement that removes skeleton 84, when the locating post 6 moves down to the open-ended bottom and cup joints the surface at pipeline body 11, two grip blocks 94 also are located the both sides of pipeline body 11 respectively, at this moment reverse rotation rotates handle 93 again, make two grip arms 91 move in opposite directions, and then drive two grip blocks 94 and move in opposite directions, thereby grasp pipeline body 11.

Fourthly, the user controls the starting cylinder 71 to drive the sliding frame 72 to slide and move downwards on the surface of the positioning column 6, meanwhile, the second starting motor 73 drives the cutting wheel 75 to rotate, and when the cutting mechanism 7 moves downwards and contacts the pipeline body 11, the pipeline body 11 is cut through the cutting wheel 75, so that the damaged part of the pipeline body 11 can be cut off.

Fifthly, the user controls the starting motor III 82 to drive the gear 83 to rotate, the gear 83 drives the toothed plate 85 to simultaneously drive the movable framework 84 to move upwards, so that the damaged pipeline body 11 can be partially moved out of the whole pipeline body 11, the ground is moved, then the user controls the clamping mechanism 9 to loosen the damaged part of the pipeline body 11, the pipeline body 11 which is new and has the same size as the pipeline body 11 which is taken down is replaced, the pipeline body is placed between the two clamping plates 94 and clamped, then the motor III 82 is controlled to drive the movable framework 84 to move downwards, the new pipeline body 11 is placed to the original position from the new position, the user seals the joint by using a sealing material, and finally the rotary handle 93 is rotated to loosen the clamping plates 94.

Sixthly, a user control motor 42 drives the retracting wheel 43 to rotate reversely, the traction rope 44 is wound, and therefore on the bearing transverse plate 5 is pulled, all parts on the bearing transverse plate 5 are pulled out of the opening, the whole repairing device pulled by the carrier is operated again, the repairing work of the pipeline body 11 is completed, the repairing process is completed, mechanical automation work is adopted, the labor input is reduced, the working strength of workers is reduced, and the construction efficiency is improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and furthermore, the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a towed non-excavation pipeline prosthetic devices, includes ground soil layer (1), its characterized in that: the top on ground soil layer (1) is provided with equipment frame (2), the equal fixed mounting in front side and the rear side of equipment frame (2) inner chamber bottom has bottom mobile device (3), the both sides at equipment frame (2) top all are provided with drive mechanism (4), the inner chamber sliding connection of equipment frame (2) has bearing diaphragm (5), the equal fixed mounting in both sides of bearing diaphragm (5) bottom has reference column (6), and two relative one sides of reference column (6) all are provided with cutting mechanism (7) of fixed mounting in bearing diaphragm (5) bottom, the bottom of bearing diaphragm (5) is run through and is provided with mechanism (8) of taking, the inside of mechanism (8) of taking is provided with fixture (9).

2. The towed trenchless pipeline rehabilitation device of claim 1, wherein: rope hanging rings (10) are arranged on two sides of the equipment frame (2), and the rope hanging rings (10) are detachably mounted on the equipment frame (2) through screw rods.

3. The towed trenchless pipeline rehabilitation device of claim 1, wherein: the pipeline body (11) is buried in the ground soil layer (1), and the bottom of the clamping mechanism (9) is sleeved on the surface of the pipeline body (11).

4. The towed trenchless pipeline rehabilitation device of claim 1, wherein: traction mechanism (4) are including welding layer board (41) at equipment frame (2) both sides top, the top fixed mounting of layer board (41) has motor (42), the output shaft fixed mounting of motor (42) has receive and releases wheel (43), the surface winding that receives and releases wheel (43) has haulage rope (44), the equal fixedly connected with in both sides at equipment frame (2) top has leading wheel (45) of similar joining in marriage with haulage rope (44), the equal fixedly connected with haulage rope link (46) in both sides at bearing diaphragm (5) top, haulage rope (44) are kept away from the one end fixed mounting that receives and releases wheel (43) on haulage rope link (46).

5. The towed trenchless pipeline rehabilitation device of claim 3, wherein: the bottom of the positioning column (6) extends into the ground soil layer (1), and a groove matched with the pipeline body (11) is formed in the bottom of the positioning column (6).

6. The towed trenchless pipeline rehabilitation device of claim 1, wherein: cutting mechanism (7) include sliding frame (72) and the cylinder (71) of fixed mounting in bearing diaphragm (5) bottom at the gliding surface of reference column (6), the output and sliding frame (72) fixed connection of cylinder (71), the inner chamber fixedly connected with baffle (74) of sliding frame (72), the bottom fixed mounting of sliding frame (72) inner chamber has motor two (73) that are located baffle (74) right side, the output shaft of motor two (73) runs through to one side and fixedly connected with cutting wheel (75) of baffle (74).

7. The towed trenchless pipeline rehabilitation device of claim 1, wherein: mechanism (8) of taking is including welding the shell in bearing diaphragm (5) bottom, and the inner chamber of shell runs through to be provided with gliding removal skeleton (84) on bearing diaphragm (5), and the bottom fixedly connected with installation piece (81) of shell inner chamber, the top fixed mounting of installation piece (81) has three (82) of motor, the output shaft fixed mounting of three (82) of motor has gear (83), the right side fixedly connected with of removing skeleton (84) and gear (83) engaged with pinion rack (85), the left side sliding connection of removing skeleton (84) has limit slide (86) of fixed connection on the shell inner wall.

8. The towed trenchless pipeline rehabilitation device of claim 7, wherein: fixture (9) is including setting up centre gripping arm (91) in removal skeleton (84) inner chamber both sides, and the top between two centre gripping arms (91) is run through and is provided with rotation lead screw (92), the surface and centre gripping arm (91) threaded connection who rotates lead screw (92), the both ends of rotating lead screw (92) are run through respectively to the both sides and the fixed mounting that remove skeleton (84) and are rotated handle (93), the bottom fixed mounting of centre gripping arm (91) has grip block (94).

9. The towed trenchless pipeline rehabilitation device of claim 8, wherein: the threads on the two sides of the surface of the rotating screw rod (92) are arranged in opposite directions.

10. A method of using a pull-behind trenchless pipeline rehabilitation apparatus comprising a pull-behind trenchless pipeline rehabilitation apparatus as claimed in any of claims 1 to 9, the method comprising the steps of:

firstly, a worker digs an opening on a ground soil layer (1) by using digging equipment or a digging tool and leaks out a pipeline body (11), then a rope is connected by a carrier, and the other end of the rope is connected to a rope hanging ring (10), so that the whole repairing device is moved to the upper part of the opening;

secondly, a user controls a starting motor I (42) to drive a retracting wheel (43) to rotate and unreel a traction rope (44), all parts on a supporting transverse plate (5) are driven to move downwards under the action of the gravity of a taking mechanism (8) and a clamping mechanism (9), the supporting transverse plate (5) slides in an inner cavity of the equipment frame (2) in the period, and sliding grooves matched with the supporting transverse plate (5) are formed in the two sides of the inner cavity of the equipment frame (2);

before moving downwards, a user rotates the rotating handle (93) to drive the rotating screw rod (92) to rotate, so that the two clamping arms (91) move reversely in the inner cavity of the moving framework (84) to be adjusted to the maximum distance, when the positioning column (6) moves downwards to the bottom of the opening and is sleeved on the surface of the pipeline body (11), the two clamping plates (94) are also respectively positioned on two sides of the pipeline body (11), and then the rotating handle (93) rotates reversely, so that the two clamping arms (91) move oppositely, and the two clamping plates (94) are driven to move oppositely, and the pipeline body (11) is clamped;

fourthly, a user controls the starting cylinder (71) to drive the sliding frame (72) to slide and move downwards on the surface of the positioning column (6), meanwhile, the starting motor II (73) drives the cutting wheel (75) to rotate, and when the cutting mechanism (7) moves downwards and contacts the pipeline body (11), the pipeline body (11) is cut through the cutting wheel (75), so that the damaged part of the pipeline body (11) can be cut off;

fifthly, a user controls a starting motor III (82) to drive a gear (83) to rotate, the gear (83) drives a toothed plate (85) to simultaneously drive a movable framework (84) to move upwards, so that the damaged pipeline body (11) can be partially moved out of the whole pipeline body (11) and moved on the ground, then the user controls a clamping mechanism (9) to loosen the damaged part of the pipeline body (11), replaces a new pipeline body (11) with the same size as the removed pipeline body (11), places and clamps two clamping plates (94), then controls the motor III (82) to drive the movable framework (84) to move downwards, places the new pipeline body (11) to the original position from the new position, seals the joint by using a sealing material, and finally rotates a rotating handle (93) to loosen the clamping plates (94);

sixthly, user control motor (42) drive receive and release wheel (43) antiport, with haulage rope (44) rolling, thereby on pulling bearing diaphragm (5), and then all parts on bearing diaphragm (5) pull out in the opening, operate again that the whole prosthetic devices of carrier pulling move away can, accomplish the repair work of pipeline body (11), such repair process, all adopt mechanical automation work, reduce the input of manpower, reduce staff's working strength, improve the efficiency of construction.