CN218208413U

CN218208413U - Hydraulic device for repairing deformation of pipeline

Info

Publication number: CN218208413U
Application number: CN202222312930.3U
Authority: CN
Inventors: 潘国乔; 张贤江
Original assignee: Shanghai Jingming Construction Development Co ltd
Current assignee: Shanghai Jingming Construction Development Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-03
Anticipated expiration: 2032-08-31

Abstract

The application relates to the field of municipal engineering, and particularly discloses a hydraulic device for repairing deformation of a pipeline, which comprises a support, wherein a repairing mechanism for repairing the pipeline is arranged on the support; the support is provided with a supporting mechanism for supporting and tightly abutting, the supporting mechanism comprises two screw rods movably connected to the support and a driving assembly for driving the two screw rods to move towards or away from the inner wall of the pipeline, and the end parts of the two screw rods, which are far away from each other, are provided with abutting pieces for tightly abutting the support in the pipeline. The application has the advantages that the repairing mechanism does not slide when in use, and the supporting and fixing processes of the repairing mechanism are simple and flexible and convenient to move.

Description

Hydraulic device for repairing deformation of pipeline

Technical Field

The application relates to the field of municipal engineering, in particular to a hydraulic device for repairing deformation of a pipeline.

Background

At present, a plurality of pipelines are crossed and complicated in underground pipelines, and some pipelines are frequently leaked and broken after being used for many years; the pipeline repairing work adopts an excavation repairing technology and pipeline internal repairing, the excavation repairing technology utilizes excavating equipment to excavate a ditch paved by the pipeline, and fills a groove after the pipeline is installed, maintained or replaced, and the excavation can cause secondary damage to the pipeline; therefore, the repair device can be used for auxiliary repair of the pipeline.

In the related art, chinese patent No. CN214171659U proposes a pipeline repairing device, which comprises a plurality of sliding rails fixedly connected with the inner wall of a pipeline, the sliding rails are parallel to the central axis of the pipeline, and the sliding rails are slidably connected with a slideway; the slideway is fixedly connected with a frame plate; the frame plate is rotationally connected with a frame; the frame is fixedly connected with an air bag, and after the air bag is inflated, the air bag is attached to the inner wall of the pipeline. Before the device is used, the slide rails need to be adjusted to appropriate distances respectively by using a five-line level gauge and are parallel to the central axis of the pipeline, the slide rails are in spot welding with the inner wall of the pipeline in contact, then the slide rails are matched with the corresponding slide rails, and the slide rails and the parts above the slide rails slide on the surfaces of the slide rails.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the repair main body on the upper side of the slide way comprises an air bag, a frame and the like, the position of the repair main body needs to be adjusted by using a five-line level gauge firstly, the slide way is welded with the inner wall of the pipeline, then the slide way is matched with the corresponding slide way, and the slide way are not fixed in the repair process, so that the possibility of the frame sliding exists.

SUMMERY OF THE UTILITY MODEL

When repairing for improving to use pipeline prosthetic devices, support fixed making it not take place to slide to repair mechanism, this application provides a hydraulic means for pipeline deformation is restoreed.

The application provides a hydraulic means for pipeline deformation is restoreed adopts following technical scheme:

a hydraulic device for repairing deformation of a pipeline comprises a support, wherein a repairing mechanism for repairing the pipeline is arranged on the support; the support is provided with a supporting mechanism for supporting and tightly abutting, the supporting mechanism comprises two screw rods movably connected to the support and a driving assembly for driving the two screw rods to move towards or away from the inner wall of the pipeline, and the end parts of the two screw rods, which are far away from each other, are provided with abutting pieces for tightly abutting the support in the pipeline.

By adopting the technical scheme, when the repairing mechanism moves to a part needing repairing, the two screw rods are controlled by the driving assembly to move towards or away from the inner wall of the pipeline until the positions of the two screw rods are adjusted to be matched with the inner diameter size of the pipeline, the end parts of the two screw rods are tightly abutted against the inner wall of the pipeline, the abutting part increases the abutting degree of the screw rods and the inner wall of the pipeline, and the supporting stability of the repairing mechanism during moving is improved; thereby realizing the support and the tight support of the repair mechanism.

Optionally, the drive assembly includes two respectively with the threaded sleeve of screw rod screw thread adaptation, and be used for with two the threaded sleeve rotate connect in connecting cylinder on the support, two threaded sleeve rotate respectively connect in the both ends of connecting cylinder, the support with be provided with between the connecting cylinder and be used for realizing the connecting cylinder is along pipeline axis pivoted coupling assembling.

By adopting the technical scheme, the threaded sleeve is rotated to drive the screw rods in the threaded sleeve to move towards or away from the inner wall of the pipeline, so that the two screw rods can be tightly abutted against pipelines with different pipe diameters; the connecting cylinder provides an installation foundation for the threaded sleeve, and the connecting cylinder is connected with the support in a rotating mode through the connecting assembly.

Optionally, the abutting member is arranged as an abutting arc plate, the abutting arc plate is rotatably connected with the end of the screw rod, the end surface of the abutting arc plate close to the pipeline is arranged as an arc surface, and the arc surface of the abutting arc plate abuts against the inner wall of the pipeline; and a rubber pad is fixedly connected outside the arc-shaped surface.

By adopting the technical scheme, the arc-shaped surface of the abutting arc plate is arranged to increase the contact area between the screw rod and the inner wall of the pipeline, so that the abutting degree between the screw rod and the inner wall of the pipeline is increased; the rubber pad increases the area between the end face of the tight arc plate and the inner wall of the pipeline, so that the friction between the tight arc plate and the inner wall of the pipeline is further improved.

Optionally, the coupling assembling include the rigid coupling in a fixed cylinder on the support and set up in connecting rod on the connecting cylinder, a fixed cylinder with the connecting rod is coaxial setting and both rotate to be connected.

By adopting the technical scheme, the connecting rod is rotationally connected with the fixed cylinder, so that the connecting cylinder is directly rotationally connected; thereby two threaded sleeves and the screw rod in them all can rotate around the pipeline axis to the tight position of support of adjustable screw rod makes it adapt to multiple pipeline that need restoreing.

Optionally, the repair mechanism includes a plurality of air bags and a power assembly for driving the air bags to ascend and descend; and the bracket is provided with a rotating assembly for driving the airbags to rotate around the axis of the pipeline.

Through adopting above-mentioned technical scheme, when repair mechanism removed to corresponding pipeline inner wall and need prosthetic position, power component promoted gasbag and needs prosthetic pipeline inner wall department and support tightly, and the runner assembly realizes that the gasbag rotates along the pipeline axial for the gasbag can be applicable to and need carry out prosthetic position in the pipeline perisporium, makes the gasbag can be applicable to the pipeline of different damaged condition, has increased the suitability of gasbag.

Optionally, a supporting table is rotatably mounted on the support, the power assembly comprises a plurality of hydraulic cylinders symmetrically arranged on the supporting table, fixed ends of the hydraulic cylinders are fixedly mounted on the supporting table, and output ends of the hydraulic cylinders are fixedly connected with the air bags.

Through adopting above-mentioned technical scheme, under the drive effect of pneumatic cylinder, its output drives the gasbag and moves to the gasbag outer peripheral face and support tightly with the pipeline inner wall to the gasbag supports the repair material, accomplishes repair work until constructor.

Optionally, the rotating assembly includes a first gear for rotating the supporting table around the axis of the pipeline and a second gear in meshing connection with the first gear, both the first gear and the second gear are rotatably disposed on the bracket, and the first gear is fixedly connected to the supporting table; and the bracket is provided with a driving piece for driving the second gear to rotate around the axis of the pipeline.

Through adopting above-mentioned technical scheme, the driving piece drives two gears and rotates around the pipeline axis, and the second gear drives the corresponding rotation of first gear, and first gear drives the brace table and rotates to make the gasbag on brace table and it can rotate around the pipeline axial, thereby make the gasbag rotatable to correspond with the different positions of pipeline internal perisporium, make the gasbag be applicable to the pipeline of different damaged conditions.

Optionally, the threaded sleeve peripheral wall rigid coupling has a plurality of sand grips.

Through adopting above-mentioned technical scheme, the sand grip has increased the frictional force of threaded sleeve periphery wall for it is more convenient when rotating threaded sleeve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the repairing mechanism moves to a part needing repairing, the two screw rods are controlled to move towards or away from the inner wall of the pipeline through the driving assembly until the positions of the two screw rods are adjusted to be matched with the inner diameter size of the pipeline, the end parts of the two screw rods are tightly abutted against the inner wall of the pipeline, the abutting part increases the abutting degree of the screw rods and the inner wall of the pipeline, and the supporting stability of the repairing mechanism during moving is improved; therefore, the support of the repair mechanism is tightly propped, and the support fixing process is convenient;

2. the driving piece drives the two gears to rotate around the axis of the pipeline, the second gear drives the first gear to correspondingly rotate, and the first gear drives the supporting platform to rotate, so that the supporting platform and the air bag on the supporting platform can axially rotate around the pipeline, and the air bag can be suitable for pipelines with different damage conditions;

3. the arc-shaped surface of the abutting arc plate is arranged to increase the contact area between the screw and the inner wall of the pipeline, so that the abutting degree between the screw and the inner wall of the pipeline is increased; the rubber pad increases the area between the end face of the tight arc plate and the inner wall of the pipeline, so that the friction between the tight arc plate and the inner wall of the pipeline is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a power assembly, a driving assembly, a connecting assembly and a rotating assembly in an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 3 is a schematic cross-sectional view of the screw, the threaded sleeve and the connecting assembly according to the embodiment of the present disclosure.

Fig. 4 is an exploded view of the threaded sleeve and the threaded rod in the embodiment of the present application.

Reference numerals are as follows: 1. a support; 11. an air bag; 111. an air inlet; 112. an air outlet; 12. a universal wheel; 13. a mounting table; 14. a support table; 2. a power assembly; 21. a hydraulic cylinder; 3. a screw; 31. tightly abutting against the arc plate; 32. a rubber pad; 4. a drive assembly; 41. a threaded sleeve; 411. a circular groove; 412. a convex strip; 42. a connecting cylinder; 421. connecting the circular rings; 422. a containing groove; 43. an annular baffle; 44. a reinforcement cylinder; 5. a connecting assembly; 51. a fixed cylinder; 52. a connecting rod; 53. a bearing; 6. a rotating assembly; 61. a first gear; 62. a second gear; 63. a drive member; 631. a servo motor; 7. and (4) a pipeline.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a hydraulic device for repairing deformation of a pipeline. Referring to fig. 1 and 2, the hydraulic device for repairing the deformation of the pipeline 7 comprises a support 1, wherein a repairing mechanism for repairing the pipeline 7 is arranged on the support 1; the repairing mechanism comprises two symmetrically arranged air bags 11 and a power assembly 2 for pushing the air bags 11 to ascend and descend, the air bags 11 are provided with air inlets 111 and air outlets 112, and the air bags 11 can be expanded by filling air through the air inlets 111; the bracket 1 is provided with a rotating assembly 6 for driving the two air bags 11 to rotate around the axis of the pipeline 7. Four universal wheels 12 are movably arranged at the bottom side of the support 1, every two universal wheels 12 are in a group, two groups of universal wheels 12 are respectively arranged at two sides of the air bag 11 along the axial direction of the pipeline 7, and the air bag 11 can be moved more flexibly by arranging the universal wheels 12.

The support 1 is provided with a supporting mechanism for supporting and tightly abutting the air bag 11, and the supporting mechanism comprises two screw rods 3 movably connected to the support 1 and a driving component 4 for driving the two screw rods 3 to move towards the direction close to or far away from the inner wall of the pipeline 7 along the radial direction of the pipeline 7.

Referring to fig. 2 and 3, the ends of the two screws 3 far away from each other are provided with a holding member for holding the bracket 1 in the pipeline 7; the abutting part is arranged to be an abutting arc plate 31, the abutting arc plate 31 is rotatably connected with the end part of the screw rod 3 through a bearing, the end faces, far away from each other, of the two abutting arc plates 31 are arranged to be arc faces matched with the inner wall of the pipeline 7 in a fitting mode, the abutting arc plates 31 can be rotated through the bearing to be better suitable for different situations of the pipeline 7, the contact area between the screw rod 3 and the inner wall of the pipeline 7 can be increased through the arc faces, and therefore the abutting degree between the screw rod 3 and the inner wall of the pipeline 7 is improved; in addition, the rubber pad 32 is fixedly connected to the outer peripheral wall of the arc-shaped surface, and the rubber pad 32 further increases the friction force between the tight-supporting arc plate 31 and the inner wall of the pipeline 7, so that the stability of the air bag 11 during supporting is improved.

Referring to fig. 2 and 3, the driving assembly 4 includes two threaded sleeves 41 respectively matched with the threads of the screws 3, and a connecting cylinder 42 for rotatably connecting the two threaded sleeves 41 to the bracket 1, wherein a containing groove 422 for containing the end portions of the two screws 3 is formed in the connecting cylinder 42, and the length direction of the containing groove 422 extends along the length direction of the screws 3; considering that the damaged position of the inner wall of the pipeline 7 is different, in order to enable the two ends of the screw rod 3 to be tightly fixed at different positions of the inner wall of the pipeline 7, a connecting component 5 for realizing the rotation of the connecting cylinder 42 around the axis of the pipeline 7 is arranged between the bracket 1 and the connecting cylinder 42.

Referring to fig. 3 and 4, the connecting cylinder 42 extends along the length direction of the screw rod 3, the connecting rings 421 are fixedly connected to both ends of the connecting cylinder 42, the two threaded sleeves 41 are respectively provided with an annular groove 411 adapted to the connecting rings 421 in a rotating manner, and the outer circumferential surface of the connecting ring 421 is rotationally attached to the wall surface of the annular groove 411, so that the threaded sleeves 41 are rotationally connected to the ends of the connecting cylinder 42; the end parts of the two threaded sleeves 41 close to each other are provided with annular baffles 43 which limit the connection ring 421 from separating from the ring groove 411.

Through rotating threaded sleeve 41, can make the screw rod 3 in the threaded sleeve 41 move towards the direction that is close to or keeps away from the pipeline 7 inner wall to make two screw rods 3 can support tightly in the pipeline 7 inner wall of different pipe diameters, realize the supporting effect to repair mechanism.

Referring to fig. 2 and 3, the mounting table 13 is fixedly connected to the upper portion of the bracket 1, the connecting assembly 5 includes a fixed cylinder 51 fixedly connected to the side wall of the mounting table 13, a connecting rod 52 arranged on the connecting cylinder 42, and a bearing 53 arranged between the fixed cylinder 51 and the connecting rod 52, the fixed cylinder 51 and the connecting rod 52 are coaxially arranged, and the axes of the fixed cylinder 51 and the connecting rod 52 are axially parallel to the pipeline 7; the inner wall of the bearing 53 is fixedly connected with the connecting rod 52, and the outer wall of the bearing 53 is fixedly connected with the inner wall of the fixed cylinder 51; therefore, the connecting rod 52 can drive the connecting cylinder 42 and the threaded sleeve 41 thereon to rotate along the axis of the pipeline 7, and further drive the two screw rods 3 to rotate along the axis of the pipeline 7, so that the supporting angle of the two screw rods 3 can be adjusted to avoid the damaged parts of the inner wall of some pipeline 7, and the applicability of the repairing mechanism to the pipeline 7 is improved. In this embodiment, in order to make the connection between the connecting rod 52 and the connecting cylinder 42 more stable, the fixed cover of the peripheral wall of the connecting cylinder 42 is provided with the reinforcing cylinder 44, the reinforcing cylinder 44 is used for increasing the contact area between the connecting rod 52 and the connecting cylinder 42, and the stability of the connecting cylinder 42 during rotation is improved.

Referring to fig. 3, in order to improve the convenience of rotating the threaded sleeve 41, a plurality of ribs 412 are fixed to the outer peripheral wall of the threaded sleeve 41, and the plurality of ribs 412 increase the friction force of the outer peripheral wall of the threaded sleeve 41.

Referring to fig. 2, a support table 14 is rotatably mounted on the support frame 1, and the power assembly 2 includes two hydraulic cylinders 21 symmetrically disposed on the support table 14 along the axis of the pipe 7. Wherein, the shells of the two hydraulic cylinders 21 are respectively and fixedly arranged on the top wall and the bottom wall of the supporting platform 14, and the output ends of the hydraulic cylinders 21 are fixedly connected with the air bag 11.

Referring to fig. 2, the rotating assembly 6 includes a first gear 61 for rotating the supporting platform 14 around the axis of the pipe 7 and a second gear 62 engaged with the first gear 61, and an end surface of the first gear 61 is fixed to a side wall of the supporting platform 14. A driving part 63 for driving the second gear 62 to rotate around the axis of the pipeline 7 is arranged on the bracket 1, the driving part 63 is set as a servo motor 631, a shell of the servo motor 631 is fixedly mounted on the top wall of the mounting table 13, and an output end of the servo motor 631 is coaxially and fixedly connected with the second gear 62; the servo motor 631 is started, the output end of the servo motor drives the second gear 62 to rotate around the axis of the pipeline 7, the second gear 62 drives the first gear 61 engaged with the second gear to rotate, and then the first gear 61 drives the supporting platform 14 to rotate, so that the air bag 11 can rotate to correspond to different positions of the inner peripheral wall of the pipeline 7, and the air bag 11 is suitable for the pipelines 7 under different damage conditions.

The implementation principle of the hydraulic device for repairing the deformation of the pipeline in the embodiment of the application is as follows: pulling the bracket 1 to enable the universal wheel 12 at the bottom end of the bracket 1 to drive the air bag 11 to move to a position needing to be repaired in the pipeline 7, and firstly adjusting the inclination angles of the two screw rods 3 through the bearing 53 and the connecting cylinder 42 according to actual conditions; and respectively rotating the threaded sleeves 41 to adjust the distance between the end parts of the two screws 3 until the positions of the two screws 3 are adjusted to be matched with the inner diameter of the pipeline 7, and at the moment, the two abutting arc plates 31 are abutted against the inner wall of the pipeline 7, so that the support 1 is fixed on the inner wall of the pipeline 7.

At this time, the servo motor 631 is started to drive the second gear 62 to rotate, the second gear 62 drives the first gear 61 to rotate, the first gear 61 drives the support platform 14 to rotate, and the support platform 14 drives the hydraulic cylinder 21 and the airbag 11 thereon to rotate to correspond to the damaged position of the pipeline 7; placing the repairing material on the upper part of the air bag 11, starting the hydraulic cylinder 21, and ejecting the air bag 11 out of the output end of the hydraulic cylinder 21 until the repairing material is tightly propped against the inner wall of the pipeline 7; the air bag 11 lifts the repairing material until the operator finishes the repairing work.

When the repairing device needs to be moved, the distance between the two screw rods 3 is shortened by only reversely rotating the threaded sleeve 41, and then the support 1 is pulled to move through the universal wheel 12, so that the effects of simple and convenient fixing and mounting procedures, and flexible and convenient movement of the air bag 11 during movement are realized.

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

Claims

1. A hydraulic device for the deformation rehabilitation of a pipe (7), characterized in that: the device comprises a bracket (1), wherein a repairing mechanism for repairing a pipeline (7) is arranged on the bracket (1); be provided with on support (1) and be used for supporting the supporting mechanism who supports tightly, supporting mechanism include swing joint in two screw rods (3) on support (1) and be used for driving two screw rod (3) are close to or are kept away from drive assembly (4) that pipeline (7) inner wall removed, the tip that two screw rod (3) kept away from each other all is provided with and is used for with support (1) supports tightly in pipeline (7) the piece that supports.

2. A hydraulic device for the deformation repair of a pipe (7) according to claim 1, characterized in that: drive assembly (4) include two respectively with threaded sleeve (41) of screw rod (3) screw thread adaptation, and be used for with two threaded sleeve (41) rotate connect in connecting cylinder (42) on support (1), two threaded sleeve (41) rotate respectively connect in the both ends of connecting cylinder (42), support (1) with be provided with between connecting cylinder (42) and be used for realizing connecting cylinder (42) are along pipeline (7) axis pivoted coupling assembling (5).

3. A hydraulic device for the deformation repair of a pipe (7) according to claim 1, characterized in that: the abutting part is arranged to be an abutting arc plate (31), the abutting arc plate (31) is rotatably connected with the end part of the screw rod (3), the end face, close to the pipeline (7), of the abutting arc plate (31) is arranged to be an arc face, and the arc face of the abutting arc plate (31) abuts against the inner wall of the pipeline (7); a rubber pad (32) is fixedly connected outside the arc-shaped surface.

4. A hydraulic device for deformation repair of a pipe (7) according to claim 2, characterized in that: coupling assembling (5) including set up in solid fixed cylinder (51) on support (1) and rigid coupling in connecting rod (52) on connecting cylinder (42), gu fixed cylinder (51) with connecting rod (52) are coaxial setting and both rotate to be connected.

5. A hydraulic device for the deformation repair of a pipe (7) according to claim 1, characterized in that: the repairing mechanism comprises a plurality of air bags (11) and a power assembly (2) for pushing the air bags (11) to lift; the bracket (1) is provided with a rotating assembly (6) for driving the airbags (11) to rotate around the axis of the pipeline (7).

6. A hydraulic device for the deformation repair of a pipe (7) according to claim 5, characterized in that: support table (14) is installed in the rotation on support (1), power component (2) include a plurality of symmetries set up in pneumatic cylinder (21) on support table (14), the casing fixed mounting of pneumatic cylinder (21) in on support table (14), the output of pneumatic cylinder (21) with gasbag (11) rigid coupling.

7. A hydraulic device for the deformation repair of a pipe (7) according to claim 6, characterized in that: the rotating assembly (6) comprises a first gear (61) and a second gear (62), the first gear (61) is used for enabling the supporting platform (14) to rotate around the axis of the pipeline (7), the second gear (62) is meshed with the first gear (61), the first gear (61) and the second gear (62) are rotatably arranged on the support (1), and the first gear (61) is fixedly connected with the supporting platform (14); and a driving piece (63) for driving the second gear (62) to rotate around the axis of the pipeline (7) is arranged on the bracket (1).

8. A hydraulic device for the deformation repair of a pipe (7) according to claim 2, characterized in that: the peripheral wall of the threaded sleeve (41) is fixedly connected with a plurality of convex strips (412).