CN115059830A - Pipeline non-excavation prosthetic devices - Google Patents

Abstract

The invention belongs to the field of pipeline repair, and particularly relates to a pipeline trenchless repairing device which comprises a moving mechanism A, a moving mechanism B and a repairing mechanism, wherein the repairing mechanism is arranged between the moving mechanism A and the moving mechanism B which synchronously move linearly in a pipeline, and the repairing mechanism carries out pipe wall crack repairing on a pipeline which is in cross communication with the pipeline where the moving mechanism A and the moving mechanism B are located through a repairing ring carried by the repairing mechanism. The invention can enter the pipeline which is in cross communication with the pipeline to be repaired from the well which is absolutely closest to the pipeline to be repaired and repair and maintain the pipeline to be repaired, thereby avoiding the problem that the equipment cannot repair and maintain the pipeline to be repaired because the pipeline to be repaired and the pipeline which enters the equipment are in a cross communication structure, improving the efficiency of pipeline repair and maintenance and reducing the time for searching the closest well which is communicated with the pipeline to be repaired.

Description

Pipeline non-excavation prosthetic devices

Technical Field

The invention belongs to the field of pipeline repair, and particularly relates to a pipeline trenchless repair device.

Background

The underground pipeline trenchless repairing technology is a minimally invasive technology for solving the problem of underground pipeline damage. The trenchless pipeline repairing refers to the situation that new construction technology is laid by using various rock and soil drilling equipment and technical means, various underground pipelines are replaced and repaired, and traffic is not obstructed and green lands and vegetation are not damaged under the condition that the ground surface is extremely small and is dug out by a directional drilling hole. The trenchless pipeline repairing method has the overall advantages that the repairing negative effect is small, the occupied area is small, and the influence on the ground, traffic, environment, surrounding underground pipelines and the like is weak.

The common underground pipes are distributed in a criss-cross net structure, and wells are usually formed at the junctions of the pipes to facilitate later pipe repair. When a crack occurs in the pipeline, a nearest well needs to be found to enter the pipeline to repair the crack. However, it often occurs that the nearest well sought is not the nearest well where the pipe needs to be repaired, but the well where the pipe cross-connects. The existing trenchless repairing technology or equipment can not repair the pipeline by turning the pipeline into the pipeline to be repaired, so that the pipeline can only be repaired by entering the pipeline from a pit well which is farther away and belongs to the pipeline to be repaired, and the pipeline repairing efficiency is reduced. Meanwhile, the existing pipeline trenchless repairing equipment is limited in use because the existing pipeline trenchless repairing equipment cannot enter a pipeline from an absolutely nearest well for repairing.

The invention designs a pipeline trenchless repairing device to solve the problems.

Disclosure of Invention

In order to solve the defects in the prior art, the invention discloses a pipeline trenchless repairing device which is realized by adopting the following technical scheme.

A pipeline trenchless repairing device comprises a moving mechanism A, a moving mechanism B and a repairing mechanism, wherein the repairing mechanism is arranged between the moving mechanism A and the moving mechanism B which move linearly and synchronously in a pipeline, and the repairing mechanism carries out pipe wall crack repairing on the pipeline which is in cross communication with the pipeline where the moving mechanism A and the moving mechanism B are located through a repairing ring carried by the repairing mechanism; the moving mechanism B is provided with a structure which carries a plurality of repairing rings and transmits the repairing rings to the repairing mechanism one by one.

As a further improvement of the technology, the moving mechanism a comprises a moving seat, a slider a, a wheel rod a, a rubber wheel a, a connecting rod a, a circular plate a and a hydraulic cylinder a, wherein three sliders a distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of a cylindrical moving seat with a horizontal central axis along the radial direction, and each slider a is provided with the rubber wheel a which is matched with the pipe wall of the pipeline and is driven by a hub motor through the wheel rod a; the three slide blocks A on the same side are hinged with a circular plate A on the corresponding side, which is driven by the hydraulic cylinder A in the axial direction, through a connecting rod A.

As a further improvement of the technology, the moving mechanism B comprises a moving seat, a slider a, a wheel rod a, a rubber wheel a, a connecting rod a, a circular plate a, a hydraulic cylinder a, a loop bar, a circular rod, a return spring, and a motor a, wherein three sliders a distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of a cylindrical moving seat with a horizontal central axis along a radial direction, and each slider a is provided with a rubber wheel a which is matched with the pipe wall of the pipeline and is driven by an in-wheel motor through the wheel rod a; the three slide blocks A on the same side are hinged with a circular plate A on the corresponding side, which is driven by the hydraulic cylinder A axially, through a connecting rod A; the three through chutes which are uniformly distributed in the circumferential direction on the end surface of the movable seat are internally provided with sleeve rods which are driven by a motor A in an axial sliding manner, and the sleeve rods are internally provided with restoring springs which are matched with the restoring mechanisms and used for supporting and placing the round rods of the restoring rings and resetting the round rods in a sliding manner.

As a further improvement of the technology, the moving seat of the moving mechanism a and the moving seat of the moving mechanism B are synchronously connected through two synchronous rods with a circumferential distance of 180 degrees; the cylindrical surface of the round rod is provided with a rubber layer which prevents the repairing ring on the round rod from axially sliding.

As a further improvement of the technology, the insections on the outer wall of the loop bar are meshed with the gear in the movable seat; the end face of the loop bar is provided with an arc plate matched with the repairing ring on the round bar, so that the arc plate can push the repairing ring to be nested on the air bag when the end face of the loop bar is abutted against the end face of the cylindrical seat in the repairing mechanism.

As a further improvement of the technology, the repair mechanism comprises a ring sleeve, a hydraulic cylinder C, an electromagnet, a cylindrical seat, a rubber ring, an air bag, a sliding block B, a wheel rod B, a rubber wheel B, a connecting rod B, a circular plate B, a hydraulic cylinder B and a motor B, wherein two circular pins which are circumferentially spaced by 180 degrees on the ring sleeve are respectively matched with two synchronous rods in a rotating manner and are driven by the motor B on the synchronous rods; a hollow cylindrical seat which is driven by three multi-stage telescopic hydraulic cylinders C which are uniformly distributed in the circumferential direction and has the same central axis is axially moved in the ring sleeve, and the hydraulic cylinder C is matched with the cylindrical seat through an electromagnet at the tail end of the hydraulic cylinder C; two end faces of the cylindrical seat are respectively provided with three sliding blocks B which are distributed at intervals of 120 degrees and synchronously slide along the radial direction, and each sliding block B is provided with a rubber wheel B which is matched with the pipe wall of the pipeline and is driven by a hub motor through a wheel rod B; the three sliding blocks B on the same side are hinged with a circular plate B on the corresponding side, which is driven by the hydraulic cylinder B in the axial direction, through a connecting rod B; an air bag which is matched with the inner wall of the repairing ring and is communicated with the air pump and two rubber rings which are used for axially positioning the repairing ring which is nested in the air bag are nested on the cylindrical seat.

As a further improvement of the technology, a motor C with an output shaft having the same central axis with the cylindrical seat is mounted on the circular plate B, the circular plate C is mounted on the output shaft of the motor C, and bristles for cleaning the pipe wall with cracks on the pipeline are arranged on the rim of the circular plate C; the circular plate C is provided with a dustproof sleeve which wraps the motor C to prevent dust on the pipe wall from falling onto the motor C.

As a further improvement of the technology, the hydraulic cylinder A is arranged in a circular groove A of the corresponding end surface of the corresponding movable seat, so that the telescopic stroke of the hydraulic cylinder A is increased. The sliding block A is provided with a trapezoidal guide block which slides in a trapezoidal guide groove corresponding to the end face of the movable seat. The round rod is provided with two symmetrical guide blocks which respectively slide in two guide grooves on the inner wall of the corresponding loop bar. The slide block B is provided with a trapezoidal guide block which slides in a trapezoidal guide groove on the end face of the cylindrical seat. The hydraulic cylinder B is arranged on a fixed plate fixed in the cylindrical seat and penetrates through the circular groove A on the end face of the cylindrical seat to be connected with the circular plate B, so that the hydraulic cylinder B is ensured to have enough expansion amplitude. The hydraulic cylinder C is arranged on a fixed seat fixed on the end surface of the ring sleeve and penetrates through the circular groove B on the end surface of the cylindrical seat to be matched with the inner wall of the cylindrical seat. Pneumatic cylinder A, pneumatic cylinder B and pneumatic cylinder C all are connected through cable and external power electricity, and the gasbag passes through trachea and external air pump intercommunication.

Compared with the traditional pipeline non-excavation repairing equipment, the pipeline repairing equipment can enter the pipeline which is in cross communication with the pipeline to be repaired from the pit well which is absolutely closest to the pipeline to be repaired and repair and maintain the pipeline to be repaired, so that the problem that the equipment cannot repair and maintain the pipeline to be repaired due to the fact that the pipeline to be repaired and the pipeline which enters the equipment are in cross communication is avoided, the pipeline repairing and maintaining efficiency is improved, and the time for searching the nearest pit well which is communicated with the pipeline to be repaired is shortened.

In addition, the repairing mechanism can retract the pipeline where the moving mechanism A and the moving mechanism B are located after repairing the pipeline which is in cross communication with the pipeline where the moving mechanism A and the moving mechanism B are located, and a new repairing ring is installed under the assistance of the moving mechanism B to enter the pipeline which is in cross communication with the pipeline where the moving mechanism A and the moving mechanism B are located to repair and maintain the next repairing point, so that the repairing mechanism is prevented from repeatedly entering and exiting the pipeline along with the moving mechanism A and the moving mechanism B to supplement the repairing ring, and the cross communication pipeline repairing efficiency is further improved. The invention has simple structure and better use effect.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention in two views in cooperation with a pipe.

FIG. 2 is a schematic cross-sectional view of the moving mechanism B, the repairing ring and the repairing mechanism.

FIG. 3 is a cross-sectional view of the repair mechanism in cooperation with a repair ring.

Fig. 4 is a schematic cross-sectional view of the present invention.

Fig. 5 is a schematic sectional view showing the driving of three loop bars in the moving mechanism B.

Fig. 6 is a schematic sectional view of the moving mechanism B.

Fig. 7 is a schematic sectional view of the movable base in the moving mechanism B.

Fig. 8 is a schematic sectional view of the moving mechanism a.

Fig. 9 is a schematic view of the repair mechanism from two perspectives.

Fig. 10 is a schematic cross-sectional view of a repair mechanism.

Fig. 11 is a schematic partial cross-sectional view of a repair mechanism.

Fig. 12 is a schematic cross-sectional view of a cylindrical seat.

Number designation in the figures: 1. a pipeline; 2. a moving mechanism A; 3. a movable seat; 4. a trapezoidal guide groove; 5. a circular groove A; 6. a slide block A; 7. a trapezoidal guide block; 8. a wheel lever A; 9. a rubber wheel A; 10. a connecting rod A; 11. a circular plate A; 12. a hydraulic cylinder A; 13. a moving mechanism B; 15. a chute; 22. a loop bar; 23. a guide groove; 24. an arc plate; 25. a round bar; 26. a guide block; 27. a return spring; 28. a gear; 29. a motor A; 30. a synchronization lever; 31. a repair mechanism; 32. sleeving a ring; 33. a fixed seat; 34. a hydraulic cylinder C; 35. an electromagnet; 36. a cylindrical seat; 37. a circular groove B; 38. a fixing plate; 39. a rubber ring; 40. an air bag; 41. a slide block B; 42. a wheel lever B; 43. a rubber wheel B; 44. a connecting rod B; 45. a circular plate B; 46. a hydraulic cylinder B; 47. a motor C; 48. a circular plate C; 49. brushing; 50. a dust-proof sleeve; 51. repairing the ring; 52. a motor B; 53. round pin.

Detailed Description

The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.

As shown in fig. 4, it includes a moving mechanism a2, a moving mechanism B13, a repairing mechanism 31, wherein as shown in fig. 1, 2, 10, the repairing mechanism 31 is installed between the moving mechanism a2 and the moving mechanism B13 which move linearly and synchronously in the pipeline 1, the repairing mechanism 31 repairs the crack of the pipe wall of the pipeline 1 which is crossed and communicated with the pipeline 1 where the moving mechanism a2 and the moving mechanism B13 are located through a repairing ring 51 carried by the repairing mechanism 31; the moving mechanism B13 has a structure for carrying the repair rings 51 and transferring the repair rings 51 one by one to the repair mechanism 31.

As shown in fig. 4 and 8, the moving mechanism a2 includes a moving seat 3, a slider a6, a wheel rod A8, a rubber wheel a9, a connecting rod a10, a circular plate a11, and a hydraulic cylinder a12, wherein as shown in fig. 1, 4, and 8, three sliders a6 distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of the cylindrical moving seat 3 with a horizontal central axis along the radial direction, and each slider a6 is provided with a rubber wheel a9 which is matched with the pipe wall of the pipeline 1 and is driven by a hub motor through a wheel rod A8; the three slide blocks A6 on the same side are hinged with a circular plate A11 on the corresponding side driven by a hydraulic cylinder A12 axially through a connecting rod A10.

As shown in fig. 4, 5 and 6, the moving mechanism B13 includes a moving seat 3, a slider A6, a wheel rod A8, a rubber wheel a9, a connecting rod a10, a circular plate a11, a hydraulic cylinder a12, a loop bar 22, a circular rod 25, a return spring 27 and a motor a29, wherein as shown in fig. 3, 6 and 7, three sliders A6 distributed at intervals of 120 degrees are respectively and synchronously slid on two end surfaces of the cylindrical moving seat 3 with a horizontal central axis along the radial direction, and each slider A6 is provided with a rubber wheel a9 which is matched with the pipe wall of the pipeline 1 and is driven by a hub motor through the wheel rod A8; the three slide blocks A6 on the same side are hinged with a circular plate A11 which is driven by a hydraulic cylinder A12 on the corresponding side through a connecting rod A10; the three through chutes 15 uniformly distributed in the circumferential direction on the end surface of the moving seat 3 are all provided with a sleeve rod 22 axially sliding and driven by a motor A29, and the sleeve rod 22 is internally provided with a round rod 25 sliding and matched with the repairing mechanism 31 and used for supporting and placing the repairing ring 51 and a return spring 27 for returning the round rod 25.

As shown in fig. 2 and 4, the moving seat 3 of the moving mechanism a2 and the moving seat 3 of the moving mechanism B13 are synchronously connected through two synchronous rods 30 which are circumferentially spaced by 180 degrees; the cylindrical surface of the round rod 25 is provided with a rubber layer for preventing the axial sliding of the repairing ring 51 thereon.

As shown in fig. 3 and 5, the insection of the outer wall of the loop bar 22 is engaged with the gear 28 in the movable seat 3; the end face of the loop bar 22 is provided with an arc plate 24 which is matched with the repairing ring 51 on the round bar 25, so that the arc plate 24 can push the repairing ring 51 to be nested on the air bag 40 when the end face of the loop bar 22 is propped against the end face of the cylindrical seat 36 in the repairing mechanism 31.

As shown in fig. 9 and 10, the restoring mechanism 31 includes a ring sleeve 32, a hydraulic cylinder C34, an electromagnet 35, a cylindrical seat 36, a rubber ring 39, an air bag 40, a slider B41, a wheel rod B42, a rubber wheel B43, a connecting rod B44, a circular plate B45, a hydraulic cylinder B46, and a motor B52, wherein as shown in fig. 2 and 10, two circular pins 53 which are circumferentially spaced by 180 degrees on the ring sleeve 32 are respectively rotationally engaged with the two synchronizing rods 30 and are driven by the motor B52 on the synchronizing rods 30; a hollow cylindrical seat 36 which is driven by three multi-stage telescopic hydraulic cylinders C34 which are uniformly distributed in the circumferential direction and has the same central axis is axially moved in the ring sleeve 32, and the hydraulic cylinder C34 is matched with the cylindrical seat 36 through an electromagnet 35 at the tail end of the hydraulic cylinder C34; three sliding blocks B41 distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of the cylindrical seat 36 along the radial direction, and each sliding block B41 is provided with a rubber wheel B43 which is matched with the pipe wall of the pipeline 1 and is driven by an in-wheel motor through a wheel rod B42; three slide blocks B41 on the same side are hinged with a circular plate B45 which is driven by a hydraulic cylinder B46 on the corresponding side through a connecting rod B44; as shown in fig. 10 and 12, an air bag 40 fitted to the inner wall of the repair ring 51 and communicating with the air pump, and two rubber rings 39 axially positioning the repair ring 51 fitted to the air bag 40 are fitted to the cylindrical seat 36.

As shown in fig. 10 and 11, a motor C47 having an output shaft coaxial with the cylindrical seat 36 is mounted on the circular plate B45, a circular plate C48 is mounted on the output shaft of the motor C47, and bristles 49 for cleaning the wall of the pipeline 1 having a crack are arranged on the rim of the circular plate C48; the circular plate C48 is provided with a dust cover 50 which wraps the motor C47 to prevent dust on the pipe wall from falling onto the motor C47.

As shown in fig. 6, 7 and 8, the hydraulic cylinder a12 is mounted in a circular groove a5 on the corresponding end surface of the corresponding movable seat 3 to increase the telescopic stroke of the hydraulic cylinder a 12. The slide block A6 is provided with a trapezoidal guide block 7, and the trapezoidal guide block 7 slides in the trapezoidal guide groove 4 corresponding to the end face of the movable seat 3. As shown in fig. 3, the round bar 25 has two symmetrical guide blocks 26, and the two guide blocks 26 slide in the two guide grooves 23 on the inner wall of the corresponding loop bar 22. As shown in fig. 10 and 12, the slider B41 has a trapezoidal guide block 7, and the trapezoidal guide block 7 slides in the trapezoidal guide groove 4 on the end face of the cylindrical seat 36. The hydraulic cylinder B46 is mounted on the fixed plate 38 fixed in the cylindrical seat 36 and passes through the circular groove A5 on the end face of the cylindrical seat 36 to be connected with the circular plate B45, so that the hydraulic cylinder B46 is ensured to have enough expansion and contraction amplitude. As shown in fig. 9 and 10, the hydraulic cylinder C34 is mounted on the fixed seat 33 fixed on the end surface of the ring sleeve 32 and passes through the circular groove B37 on the end surface of the cylindrical seat 36 to be matched with the inner wall of the cylindrical seat 36. As shown in fig. 6, 8 and 10, the hydraulic cylinder a12, the hydraulic cylinder B46 and the hydraulic cylinder C34 are all electrically connected to an external power supply through cables, and the air bag 40 is communicated with an external air pump through an air pipe.

The working process of the invention is as follows: in the initial state, the six rubber wheels a9 in the moving mechanism a2 and the six rubber wheels a9 in the moving mechanism B13 are radially contracted in the end face of the moving bed 3. The ends of the round rods 25 of the three loop bars 22 in the moving mechanism B13 are contracted in the slide slots 15, and each return spring 27 is in a compressed state. Six rubber wheels B43 in the post-processing mechanism are radially contracted in the end face of the cylindrical seat 36, the cylindrical seat 36 is contracted in the ring sleeve 32 and has the same central axis with the ring sleeve 32, and electromagnets 35 at the tail ends of three hydraulic cylinders C34 are all abutted against the inner wall of the cylindrical seat 36. The bristles 49 on the circular plate C48 are in a tilted pendulum contracted state. The bladder 40 is in a deflated state. Three rods 25 in the aftertreatment mechanism are in extreme elongation. The ring sleeve 32 in the post-processing mechanism is concentric with the moving seat 3 of the moving mechanism A2 or the moving mechanism B13. The disk C48 in the post-processing mechanism faces the moving mechanism B13.

When the method needs to be used for repairing cracks on the inner pipe wall of the crossed reticular pipeline 1, a pipeline 1 well closest to the crack of the pipeline 1 is found out, and if the pipeline 1 where the well is located and the pipeline 1 with cracks belong to the same pipeline 1, the traditional pipeline 1 trenchless repairing equipment is used for repairing the well. If the pipeline 1 where the well is located and the pipeline 1 with the crack are not the same pipeline 1 but are positioned on the pipeline 1 which is mutually crossed and communicated with the pipeline 1 with the crack, which is crossed and communicated with the pipeline 1 with the crack, is repaired by using the method for repairing the pipeline 1 with the crack, which is entered from the nearest well.

Before the present invention is put into the pipeline 1 from the well, an elastic mending ring 51 axially crosses the brush 49 on the circular plate C48 and is axially sleeved on the air bag 40 in the post-processing mechanism, and a plurality of mending rings 51 are axially sleeved on the three round rods 25, and the mending ring 51 arranged on the round rod 25 cannot automatically separate from the round rod 25 because the round rod 25 is provided with a rubber layer.

After the invention is put into the pipeline 1 from a well shaft, two hydraulic cylinders A12 in a moving mechanism A2 and two hydraulic cylinders A12 in a moving mechanism B13 are started, two hydraulic cylinders A12 in the moving mechanism A2 and two hydraulic cylinders A12 in a moving mechanism B13 are contracted simultaneously, two hydraulic cylinders A12 in the moving mechanism A2 respectively push a rubber wheel A9 mounted on a wheel rod A8 to the wall surface of the pipeline 1 along the radial direction of the pipeline 1 through a corresponding circular plate A11, three connecting rods A10 and three sliders A6, and two hydraulic cylinders A12 in the moving mechanism B13 respectively push the rubber wheel A9 mounted on the wheel rod A8 to the wall surface of the pipeline 1 along the radial direction of the pipeline 1 through a corresponding circular plate A11, three connecting rods A10 and three sliders A6.

When all the rubber wheels A9 in the moving mechanism A2 and the moving mechanism B13 are pressed against the pipe wall of the pipeline 1 and exert force, the operation of the hydraulic cylinders A12 in the moving mechanism A2 and the moving mechanism B13 is stopped. Then, the hub motor on the rubber wheel A9 in the moving mechanism A2 and the moving mechanism B13 is started to drive the rubber wheel A9 to rotate and drive the whole body of the invention to move to the junction of the deep part of the pipeline 1 and the fractured pipeline 1.

When the post-processing mechanism reaches the middle of the junction of the pipeline 1 and the rupture pipeline 1 along with the moving mechanism A2 and the moving mechanism B13, the operation of the hub motors on the rubber wheels A9 in the moving mechanism A2 and the moving mechanism B13 is stopped.

Then, motor B52 is activated, motor B52 via round pin 53 brings ring 32 around round pin 53 at an angle such that the central axis of ring 32 in the reprocessing mechanism is parallel to the burst tube 1 and such that the bristles 49 on the circular plate C48 in the reprocessing mechanism are in front of the cylindrical base 36.

When the central axis of the ring sleeve 32 is parallel to the burst pipe 1, the motor B52 is stopped.

Then, three multi-stage telescopic hydraulic cylinders C34 are activated, the hydraulic cylinder C34 is extended and the electromagnet 35 drives the cylindrical seat 36 axially towards the inside of the cracked pipe 1.

After the cylindrical seat 36 is completely separated from the ring sleeve 32 and drives all the components thereon to completely enter the pipeline 1 where the crack is located, the two hydraulic cylinders B46 are started, the two hydraulic cylinders B46 contract synchronously and respectively drive the rubber wheels B43 on the three wheel rods B42 to move towards the pipe wall of the pipeline 1 along the radial direction through the corresponding circular plates B45, the three connecting rods B44 and the three sliding blocks B41, and finally abut against the pipe wall of the pipeline 1 to complete the stress.

When the six rubber wheels B43 are abutted against the pipe wall of the pipeline 1, the three hydraulic cylinders C34 and the two hydraulic cylinders B46 are stopped from operating, the electromagnet 35 at the tail end of each hydraulic cylinder C34 is powered off and loses magnetism, and then the hub motor where the six rubber wheels B43 are located is started, so that the six rubber wheels B43 drive the post-processing mechanism carrying the repairing ring 51 to be separated from the electromagnet 35 on the hydraulic cylinder C34 to axially move to the position where a crack appears in the pipeline 1.

When the flaw detection sensor on the circular plate C48 detects a crack on the pipe wall of the pipeline 1, the hub motors of the six rubber wheels B43 stop moving temporarily, the cylindrical seat 36 stops moving axially and starts the motor C47, and the motor C47 drives the bristles 49 to swing instantly to the same vertical plane as the circular plate C48 under the centrifugal action through the circular plate C48 and clean the crack on the pipe wall of the pipeline 1.

When the cleaning of the dust at the crack of the pipeline 1 is finished, the operation of the motor C47 is stopped, the circular plate C48 stops rotating, the bristles 49 automatically recover to the initial state, and the hub motors on the six rubber wheels B43 are started, so that the six rubber wheels B43 drive the cylindrical seat 36 to continue to move. When the cylindrical seat 36 carries the repaired part to the crack cleaned by the brush bristles 49, the operation of the hub motor is stopped.

Then, the air pump is started to inflate the air bag 40, the air bag 40 expands along the radial direction of the cylindrical seat 36 and drives the repairing ring 51 on the air bag to deform in the radial direction, the radius of the repairing ring 51 is enlarged and finally the repairing ring 51 is abutted against the pipe wall of the crack of the pipeline 1 for a certain time under the action of the air bag 40, and finally the repairing of the crack of the pipeline 1 by the repairing ring 51 is completed.

When the crack of the inner wall of the pipeline 1 is repaired, the air pump is started reversely to pump air out of the air bag 40, and the air bag 40 gradually recovers to the initial state. When the air bag 40 returns to the initial state, the air pump is stopped and the hub motors on the six rubber wheels B43 are started to run reversely, and the six rubber wheels B43 drive the cylindrical seat 36 to return towards the direction of the ring sleeve 32.

When the cylindrical seat 36 abuts against the electromagnets 35 on the three hydraulic cylinders C34, the electromagnets 35 are started and attract the cylindrical seat 36, and at the same time, the two hydraulic cylinders B46 are started in reverse, and the two hydraulic rods B drive the rubber wheel B43 on each wheel rod B42 to be retracted into the end face of the cylindrical seat 36 through the corresponding circular plate B45, the three connecting rods B44 and the three sliders B41.

After the rubber wheel B43 is reset, the three hydraulic cylinders C34 are started, and the hydraulic cylinders C34 drive the cylindrical seat 36 to axially reset towards the inner part of the ring sleeve 32 through the electromagnets 35. When the cylindrical seat 36 enters the ring sleeve 32 to complete the reset, the operation of the three hydraulic cylinders C34 is stopped.

Then, the motor B52 is started reversely, the motor B52 drives the ring sleeve 32 to rotate and reset, and finally the circular plate C48 is opposite to the moving mechanism B13 again.

The three motors a29 are started simultaneously, the three motors a29 drive the corresponding loop bars 22 to slide in the sliding grooves 15 towards the direction of the cylindrical base 36 through the corresponding gears 28, the three loop bars 22 drive the corresponding round bars 25 to move towards the end face of the cylindrical base 36 through the corresponding return springs 27, and the three round bars 25 drive the repair rings 51 thereon to approach the cylindrical base 36 synchronously.

When the ends of the three rods 25 simultaneously abut against the end face of the cylindrical seat 36, the three rods 22 start to move relative to the rods 25 toward the cylindrical seat 36 as the motor a29 continues to operate, and the return spring 27 in each rod 22 is further compressed. The arc plates 24 at the ends of the three loop bars 22 simultaneously axially push all the repair rings 51 on the round bar 25 to move synchronously toward the cylindrical seat 36.

When the prosthetic ring 51 located at the most forward end in the moving direction reaches the rubber ring 39 on the cylindrical seat 36, the prosthetic ring 51, which is continuously pushed by the arc plate 24 on the stem 22 as the stem 22 continues to move, presses the rubber ring 39 so that the rubber ring 39 is deformed without hindering the nesting of the prosthetic ring 51 thereon. When the repairing ring 51 is pushed by the loop bar 22 to be nested on the air bag 40, the three motors A29 are operated in reverse, and the motor A29 drives all the components on the loop bar 22 to return through a series of transmission.

Then, the motor B52 is started, and the motor B52 drives the ring sleeve 32 and the cylindrical seat 36 in the ring sleeve 32 to rotate a certain angle and to be opposite to the pipeline 1 with the crack part still existing after the repair.

The operation flow after the cylindrical seat 36 is opposite to the pipeline 1 with the crack is the same as the flow of the cylindrical seat 36 moving and operating into the pipeline 1 with the crack, and the description is omitted here.

After the cracks in the pipeline 1 are completely repaired, after the cylindrical seat 36 returns to the ring sleeve 32 and rotates and resets along with the ring sleeve 32 under the driving of the motor B52, the hub motors of the rubber wheel A9 in the moving mechanism A2 and the moving mechanism B13 are started reversely, and the rubber wheel A9 in the moving mechanism A2 and the moving mechanism B13 drives the whole body of the device to return to the well.

When the invention moves back to the well head of the pipeline 1, the hydraulic cylinder B46 in the moving mechanism A2 and the moving mechanism B13 and the hydraulic cylinder B46 in the moving mechanism A2 and the moving mechanism B13 are started reversely, and all the corresponding rubber wheels A9 are driven by a series of transmission respectively to shrink and reset on the end surface of the moving seat 3. Then, the present invention is taken out from the pipe 1 and the well.

The integral gravity center of the invention is positioned at the lower position in the vertical central plane where the round pin 53 and the central axis of the moving seat 3 are jointly positioned, so that the invention is ensured not to generate the rotary deviation around the central axis of the moving seat 3 of the moving mechanism A2 or the moving mechanism B13 in the integral movement process in the pipeline 1, and the post-treatment mechanism is ensured to smoothly enter the pipeline 1 where the crack is positioned after the post-treatment mechanism reaches the pipeline 1 where the crack is positioned.

In conclusion, the beneficial effects of the invention are as follows: the invention can enter the pipeline 1 which is in cross communication with the pipeline 1 to be repaired from the well which is absolutely closest to the pipeline 1 to be repaired and repair and maintain the pipeline 1 to be repaired, thereby avoiding that the equipment can not repair and maintain the pipeline 1 to be repaired because the pipeline 1 to be repaired and the entered pipeline 1 are in a cross communication structure, improving the efficiency of repairing and maintaining the pipeline 1 and reducing the time for searching the closest well which is communicated with the pipeline 1 to be repaired.

In addition, after repairing the pipeline 1 crossed and communicated with the pipeline 1 in which the moving mechanism a2 and the moving mechanism B13 are located, the repairing mechanism 31 in the invention can retract into the pipeline 1 in which the moving mechanism a2 and the moving mechanism B13 are located, and with the assistance of the moving mechanism B13, install a new repairing ring 51 to enter the pipeline 1 crossed and communicated with the pipeline 1 in which the moving mechanism a2 and the moving mechanism B13 are located to repair and maintain the next repairing point, so that the repairing mechanism 31 is prevented from repeatedly entering and exiting the pipeline 1 along with the moving mechanism a2 and the moving mechanism B13 to supplement the repairing ring 51, and the repairing efficiency of the pipeline 1 crossed and communicated is further improved.

Claims (7)

1. The utility model provides a pipeline trenchless prosthetic devices which characterized in that: the repairing mechanism repairs cracks on the pipe wall of a pipeline which is in cross communication with the pipeline where the moving mechanism A and the moving mechanism B are located through a repairing ring carried by the repairing mechanism; the moving mechanism B is provided with a structure which carries a plurality of repairing rings and transmits the repairing rings to the repairing mechanism one by one.

2. The trenchless pipeline rehabilitation device of claim 1, wherein: the moving mechanism A comprises a moving seat, sliding blocks A, a wheel rod A, a rubber wheel A, a connecting rod A, a circular plate A and a hydraulic cylinder A, wherein three sliding blocks A distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of a cylindrical moving seat with a horizontal central axis along the radial direction, and each sliding block A is provided with the rubber wheel A which is matched with the pipe wall of the pipeline and is driven by a hub motor through the wheel rod A; the three slide blocks A on the same side are hinged with a circular plate A on the corresponding side, which is driven by the hydraulic cylinder A in the axial direction, through a connecting rod A.

3. The trenchless pipeline rehabilitation device of claim 1, wherein: the moving mechanism B comprises a moving seat, sliding blocks A, a wheel rod A, a rubber wheel A, a connecting rod A, a circular plate A, a hydraulic cylinder A, a sleeve rod, a circular rod, a return spring and a motor A, wherein three sliding blocks A distributed at intervals of 120 degrees are respectively and synchronously slid on two end faces of a cylindrical moving seat with a horizontal central axis along the radial direction, and each sliding block A is provided with the rubber wheel A which is matched with the pipe wall of the pipeline and is driven by a hub motor through the wheel rod A; the three slide blocks A on the same side are hinged with a circular plate A on the corresponding side, which is driven by the hydraulic cylinder A axially, through a connecting rod A; the three through chutes which are uniformly distributed in the circumferential direction on the end surface of the movable seat are internally provided with sleeve rods which are driven by a motor A in an axial sliding manner, and the sleeve rods are internally provided with restoring springs which are matched with the restoring mechanisms and used for supporting and placing the round rods of the restoring rings and resetting the round rods in a sliding manner.

4. A trenchless rehabilitation apparatus for a pipeline according to claim 2 or 3 wherein: the moving seat of the moving mechanism A is synchronously connected with the moving seat of the moving mechanism B through two synchronous rods with the circumferential distance of 180 degrees; the cylindrical surface of the round rod is provided with a rubber layer which prevents the repairing ring on the round rod from axially sliding.

5. The trenchless rehabilitation apparatus for repairing a pipe of claim 3, wherein: the insection of the outer wall of the loop bar is meshed with the gear in the movable seat; the end surface of the loop bar is provided with an arc plate matched with the repairing ring on the round bar.

6. The trenchless rehabilitation apparatus for repairing a pipe of claim 4, wherein: the repairing mechanism comprises a ring sleeve, a hydraulic cylinder C, an electromagnet, a cylindrical seat, a rubber ring, an air bag, a sliding block B, a wheel rod B, a rubber wheel B, a connecting rod B, a circular plate B, a hydraulic cylinder B and a motor B, wherein two round pins which are circumferentially spaced by 180 degrees on the ring sleeve are respectively matched with the two synchronizing rods in a rotating manner and are driven by the motor B on the synchronizing rods; a hollow cylindrical seat which is driven by three multi-stage telescopic hydraulic cylinders C which are uniformly distributed in the circumferential direction and has the same central axis is axially moved in the ring sleeve, and the hydraulic cylinder C is matched with the cylindrical seat through an electromagnet at the tail end of the hydraulic cylinder C; two end faces of the cylindrical seat are respectively provided with three sliding blocks B which are distributed at intervals of 120 degrees and synchronously slide along the radial direction, and each sliding block B is provided with a rubber wheel B which is matched with the pipe wall of the pipeline and is driven by a hub motor through a wheel rod B; the three slide blocks B on the same side are hinged with a circular plate B on the corresponding side, which is driven by the hydraulic cylinder B axially, through a connecting rod B; the cylindrical seat is provided with an air bag which is matched with the inner wall of the repair ring and is communicated with the air pump in a nested manner and two rubber rings which are used for axially positioning the repair ring nested in the air bag.

7. The trenchless rehabilitation apparatus for repairing a pipe of claim 6, wherein: the circular plate B is provided with a motor C with an output shaft and a cylindrical seat having the same central axis, the output shaft of the motor C is provided with a circular plate C, and the rim of the circular plate C is provided with bristles for cleaning the pipe wall with cracks on the pipeline; the circular plate C is provided with a dustproof sleeve which wraps the motor C to prevent dust on the pipe wall from falling onto the motor C.

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