CN112431997A

CN112431997A - Pipeline dislocation prosthetic devices

Info

Publication number: CN112431997A
Application number: CN202011310068.1A
Authority: CN
Inventors: 李松涛; 朱永超; 赵亮; 陈晓红; 陈静远; 张月玥
Original assignee: Zhengzhou Railway Vocational and Technical College
Current assignee: Zhengzhou Railway Vocational and Technical College
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-03-02
Anticipated expiration: 2040-11-20
Also published as: CN112431997B

Abstract

The invention discloses a pipeline dislocation repairing device which comprises a main support, wherein an annular ejection component is arranged on the main support, the annular ejection component is connected with at least two strip-shaped ejection plates, all the ejection plates are circumferentially and uniformly arranged around the main support, the length directions of all the ejection plates are mutually parallel, the annular ejection component drives all the ejection plates to synchronously expand or retract outwards along the radial direction, and the main support is also provided with a walking mechanism. The invention has the beneficial effects that: the repairing device moves to the staggered two sections of pipe joints along the inner cavity of the pipeline, and pushes the two sections of pipeline units to be aligned at the joints, so that subsequent reinforcement and repair are facilitated.

Description

Pipeline dislocation prosthetic devices

Technical Field

The invention belongs to the field of underground pipeline overhauling devices, and particularly relates to a pipeline dislocation repairing device.

Background

Underground spaces are gradually developed and utilized in China, and urban water supply, sewage, rainwater pipelines and the like are buried underground, so that an intricate underground pipe network is formed. Along with the increase of service life, uneven settlement of foundation and other reasons, spliced pipelines are inevitable to have a dislocation phenomenon, so that internal water resources are leaked outwards, and precious water resources in China are wasted; in addition, the seepage force formed by migration of seepage water in the soil foundation can also scour the soil foundation, so that the bearing strength of the soil foundation is weakened, and the phenomenon of void below the pipeline is caused; along with the influence of vehicle load or soil body self-weight above the pipeline, the pipeline can further sink in loose and the vacation department of soil base, and the pipeline dislocation degree is more serious, leads to the unable normal work of city water supply and drainage system, gives people's economy and causes the loss.

At present, the method for repairing the pipeline dislocation mainly comprises the steps of excavating the original earth surface and then lifting the dislocated pipeline by using a lifter, so that the aim of repairing the pipeline is fulfilled. However, the method needs traffic control, the balance condition of the original ground stress can be damaged by excavating the ground surface, the construction period is long, and the quick and continuous repair of the pipeline dislocation cannot be realized. In view of this, it is necessary to develop a rapid and continuous pipeline dislocation repairing device, which is lifted from the inside of the pipeline, so as to avoid disturbance of the original ground stress caused by excavation.

Disclosure of Invention

In view of the above, the present invention provides a pipeline malposition repairing device.

The technical scheme is as follows:

the pipeline dislocation repair device is characterized by comprising a main support, wherein an annular jacking and expanding assembly is arranged on the main support, the annular jacking and expanding assembly is connected with at least two strip-shaped jacking plates, all the jacking plates are circumferentially and uniformly arranged around the main support, the length directions of all the jacking plates are mutually parallel, and the annular jacking and expanding assembly drives all the jacking plates to synchronously expand or retract along the radial direction;

the main bracket is also provided with a traveling mechanism.

By adopting the design, the repairing device moves to the staggered two sections of pipe joints along the inner cavity of the pipeline, the annular jacking component pushes the jacking plate to expand outwards, two sections of pipeline units are gradually pushed to align at the joints, subsequent reinforcement and repair are facilitated, and due to the fact that the resetting work is carried out in the pipeline, inconvenience caused by hoisting and resetting in ground excavation in the prior art is avoided, repairing efficiency is high, and cost is reduced.

As a preferred technical scheme, the circumferential propping assembly comprises radial propping units, the radial propping units correspond to the propping plates one by one, and the radial propping units are connected with the main support and the corresponding propping plates;

the radial top bracing units in the same group are connected with the same driving mechanism.

By adopting the design, the structure is simple, and the annular top tension assembly can be conveniently controlled through one driving mechanism.

According to the preferred technical scheme, the annular jacking and expanding assemblies are two groups, the two groups of annular jacking and expanding assemblies are arranged along the length direction of the jacking plate and are respectively connected with two ends of the long strip-shaped main support, radial jacking units of the two groups of annular jacking and expanding assemblies are respectively opposite to each other one by one, and one pair of radial jacking units are connected with the same jacking plate.

By adopting the design, the stability of outward expansion movement of the top push plate is improved.

As a preferred technical scheme, the radial top bracing unit comprises an outer bracing push rod and a thrust connecting rod;

the outer supporting push rods of the same group are uniformly distributed around the main support in the circumferential direction, the inner ends of the outer supporting push rods of the same group are hinged with the same end of the main support, and the outer ends of the outer supporting push rods are connected with the corresponding top push plates in a sliding mode;

one end of the thrust connecting rod is hinged with the middle part of the outer support push rod, and the other end of the thrust connecting rod is connected with the driving mechanism;

the driving mechanism comprises a linear pushing mechanism, a fixed part of the linear pushing mechanism is connected with the main support, a movable part of the linear pushing mechanism stretches along the length direction of the main support, a pushing hinged seat is arranged at the movable part of the linear pushing mechanism, and the pushing hinged seat is hinged with all the thrust connecting rods in the same group.

By adopting the design, the radial jacking unit structure is simple, the linear jacking mechanism jacks along the main support, the space is not occupied, the construction is convenient, the layout is reasonable, and the reliability is high.

According to the preferable technical scheme, an external support sliding block guide rod is fixedly arranged on the inner side of the jacking plate along the length direction of the jacking plate, two external support guide sliding blocks are slidably sleeved on the external support sliding block guide rod, and the two external support guide sliding blocks are respectively hinged with the outer ends of external support push rods of a corresponding pair of radial jacking units.

By adopting the design, the angle change between the outer support push rod and the pushing plate is well adapted, and the connection stability between the outer support push rod and the pushing plate is improved.

As a preferred technical scheme, the main support comprises two hinged supports which are arranged oppositely, the two hinged supports are connected through at least two connecting rods which are arranged in parallel, the connecting rods are parallel to the length direction of the top pushing plate, and the middle parts of all the connecting rods are connected with the same seat plate;

each hinged support is hinged with the inner end of the outer support push rod in the same group;

the straight-line pushing mechanism is fixedly arranged on the seat plate and is arranged between the connecting rods, and the movable part of the straight-line pushing mechanism faces to the corresponding hinged support.

By adopting the design, the cavity in the main support and the gap between the connecting rods can accommodate the linear pushing mechanism, the outer support push rod and the thrust connecting rod, and the structure is compact.

As an optimal technical scheme, each pushing hinged seat is connected with at least two guide retainers respectively, and the guide retainers connected to the same pushing hinged seat correspond to the connecting rods one to one and are in sliding fit with the connecting rods respectively.

By adopting the design, the pushing stability of the movable part of the linear pushing mechanism is improved, so that the outward expansion stability of the pushing plate is improved.

As a preferred technical scheme, the hinged supports are square, and four corners of each of the two hinged supports are respectively provided with one connecting rod;

one the hoop propping assembly is provided with four radial propping units, the four radial propping units are distributed in four gaps between the connecting rods, and the inner ends of the four external propping push rods are respectively hinged with the middle parts of the four frame strips of the hinged support.

By adopting the design, when the four pushing plates expand outwards, the inner wall of the pipeline can be contacted at multiple angles and the pushing effect is achieved, the pressure is too high when the single pushing plate is contacted with the pipeline, but the few pushing plates can meet the precision requirement of pipeline resetting and butt joint.

As the preferred technical scheme, the top pushing plate is an arc-shaped plate.

By adopting the design, the inner wall of the pipeline is better attached, and the stress concentration is reduced.

As a preferred technical scheme, the walking mechanism comprises four movable supporting legs and rollers, the four movable supporting legs are connected to the lower side of the main support, and the rollers are arranged at the lower end of each movable supporting leg.

By adopting the design, the structure is simple, and the device is convenient to move.

Compared with the prior art, the invention has the beneficial effects that: the repairing device moves to the staggered two sections of pipe joints along the inner cavity of the pipeline, and pushes the two sections of pipeline units to be aligned at the joints, so that subsequent reinforcement and repair are facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention, wherein the top pushing plate is retracted to close to the main bracket;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the top blade of FIG. 1 being flared away from the main support;

FIG. 4 is a schematic view of FIG. 3 from a second perspective;

FIG. 5 is a schematic view from a third perspective of FIG. 3;

FIG. 6 is a schematic view of the prosthetic device moved to a pipe misalignment joint;

FIG. 7 is a schematic view of another perspective of FIG. 6;

fig. 8 is a schematic view of the prosthetic device and the pipeline after completion of the restoration docking.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 5, a pipeline dislocation repair device comprises a main support 1, wherein a hoop pushing and expanding assembly is arranged on the main support 1, the hoop pushing and expanding assembly is connected with at least two strip-shaped pushing plates 4, all the pushing plates 4 are uniformly arranged around the main support 1 in a hoop direction, the length directions of all the pushing plates 4 are parallel to each other, and the hoop pushing and expanding assembly drives all the pushing plates 4 to synchronously expand or retract along a radial direction. The main support 1 is also provided with a travelling mechanism 5.

As shown in fig. 1 and 3, the circumferential propping assembly comprises radial propping units 3, the radial propping units 3 correspond to the propping plates 4 one by one, and the radial propping units 3 are connected with the main support 1 and the corresponding propping plates 4. The radial top bracing units 3 of the same group are connected with the same driving mechanism 2.

Specifically, as shown in fig. 2 and 4, the main support 1 includes two hinge supports 11 disposed opposite to each other, the two hinge supports 11 are connected by at least two connecting rods 12 disposed in parallel, the connecting rods 12 are parallel to the length direction of the top push plate 4, and the same seat plate 13 is connected between the middle portions of all the connecting rods 12.

And two groups of annular jacking and expanding assemblies are arranged on the main support 1. And the two groups of annular jacking and expanding assemblies are arranged along the length direction of the jacking plate 4 and are respectively close to the two ends of the main support 1. Radial shoring units 3 of the two sets of annular shoring assemblies are respectively and oppositely arranged one by one, and a pair of radial shoring units 3 are connected with the same one of the jacking plates 4.

The radial top bracing unit 3 comprises an outer bracing push rod 31 and a thrust connecting rod 32. The same group of the external supporting push rods 31 are uniformly distributed around the main support 1 in the circumferential direction, the inner ends of the external supporting push rods 31 in the same group are hinged with the same hinged support 11, and the outer ends of the external supporting push rods 31 are connected with the corresponding pushing plates 4 in a sliding mode.

As shown in fig. 4, the connection mode of the external-supporting push rod 31 and the top push plate 4 is as follows: the inboard of top push plate 4 is provided with outer support slider guide arm 34 along its length direction is fixed, the sliding sleeve is equipped with two outer support direction sliders 33 on outer support slider guide arm 34, two outer support direction slider 33 respectively with corresponding a pair of radial top props unit 3's outer end and articulates the push rod 31 outer end that props outward. In order to ensure that the outer support guide sliding blocks 33 stably slide when the pushing plate 4 pushes outwards, two outer support sliding block guide rods 34 are arranged on the inner side of the same pushing plate 4, the two outer support sliding block guide rods 34 are parallel to each other, and two ends of each outer support sliding block guide rod 34 are respectively connected with the pushing plate 4 through a mounting seat. The outer support guide sliding block 33 is simultaneously sleeved on the two outer support sliding block guide rods 34 in a sliding manner.

One end of the thrust connecting rod 32 is hinged with the middle part of the outer support push rod 31, and the other end is connected with the driving mechanism 2. The driving mechanism 2 comprises a linear pushing mechanism 21 positioned between the connecting rods 12, the fixed part of the linear pushing mechanism 21 is connected with the seat plate 13, the movable part of the linear pushing mechanism 21 extends and retracts along the length direction of the main support 1, the movable part of the linear pushing mechanism 21 faces the corresponding hinged support 11, the movable part of the linear pushing mechanism 21 is provided with a pushing hinged seat 22, and the pushing hinged seat 22 is hinged with all the thrust connecting rods 32 in the same group. The linear pushing mechanism 21 may be a hydraulic cylinder, and a pushing hinge seat 22 is fixedly arranged at the front end of a piston rod thereof.

The cross section of the outer support push rod 31 is groove-shaped, the opening of the outer support push rod faces to the corresponding thrust connecting rod 32, and the thrust connecting rod 32 can be accommodated in the inner cavity of the outer support push rod 31. Like this, outer push rod 31 that props can be retrieved to being close to main support 1 for top push plate 4 is pressed close to main support 1 when retracting the state, reduces the horizontal size of device, and trafficability characteristic is better in the pipeline.

In order to improve the pushing stability of the movable part of the linear pushing mechanism 21, each pushing hinged seat 22 is connected with at least two guiding retainers 23, and the guiding retainers 23 connected to the same pushing hinged seat 22 correspond to the connecting rods 12 one by one and are in sliding fit with the connecting rods 12 respectively.

In this embodiment, the hinged supports 11 are square, and four corners of each of the hinged supports 11 are respectively provided with one of the connecting rods 12. One the hoop propping component is provided with four radial propping units 3, the four radial propping units 3 are distributed in four gaps between the connecting rods 12, and the inner ends of the external propping push rods 31 are respectively hinged with the middle parts of the four frame strips of the hinged support 11.

The walking mechanism 5 comprises four movable supporting legs 51 and rollers 52, the four movable supporting legs 51 are connected to the lower side of the main support 1, and the rollers 52 are respectively arranged at the lower end of each movable supporting leg 51. In order to facilitate the movement of the device, two rollers 52 at the same end of the main stand 1 are provided with wheel hub motors as walking driving mechanisms.

In order to adapt to the inner cavity of the pipeline, the push plate 4 is an arc-shaped plate with an arc-shaped cross section.

The device is used for aligning the dislocation pipelines. The using method is briefly described as follows: when the top push plate 4 is in a withdrawing state, the repairing device is placed at the bottom of the pipeline through the inspection well, and the repairing device accurately reaches the two sides of the staggered joint of the pipeline in a roller driving mode inside the pipeline, as shown in fig. 6. Then, the two hydraulic cylinders drive the thrust links 32 to expand the ejector plate 4 outwards, and part of the ejector plate 4 is gradually attached to the inner wall of the dislocated pipeline, as shown in fig. 7. The two hydraulic cylinders continue to push, and under the common supporting action of the hinged support 11 and the pushing plate 4, the two pipelines are gradually aligned at the joint along with the continuous pushing of the pushing plate 4, so that the pipeline resetting is completed, as shown in fig. 8. After the pipeline is reset and adjusted, soil bodies at the staggered joint positions are reinforced outside the pipeline, and the soil bodies at the joint positions are reinforced and grouted through the high polymer guide pipe to finish reinforcement. And finally, the hydraulic cylinder is reset, the push plate 4 is retracted, and the whole device is withdrawn.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a pipeline dislocation prosthetic devices which characterized in that: the device comprises a main support (1), wherein a circumferential ejection component is arranged on the main support (1), the circumferential ejection component is connected with at least two strip-shaped ejection plates (4), all the ejection plates (4) are circumferentially and uniformly arranged around the main support (1), the length directions of all the ejection plates (4) are mutually parallel, and the circumferential ejection component drives all the ejection plates (4) to synchronously expand or retract outwards along a radial direction;

the main bracket (1) is also provided with a traveling mechanism (5).

2. The pipe misalignment repair device of claim 1, wherein: the annular jacking and expanding assembly comprises radial jacking units (3), the radial jacking units (3) correspond to the jacking plates (4) one by one, and the radial jacking units (3) are connected with the main support (1) and the corresponding jacking plates (4);

the radial top bracing units (3) in the same group are connected with the same driving mechanism (2).

3. The pipe misalignment repair device of claim 2, wherein: the hoop pushes up and opens the subassembly and has two sets ofly, two sets of the hoop pushes up and opens the subassembly along the length direction setting of push pedal (4) to respectively with rectangular shape main support (1) both ends are connected, and are two sets of radial shoring unit (3) that the subassembly was opened on the hoop push up are respectively just right one by one, and are a pair of radial shoring unit (3) are connected with one push pedal (4).

4. The pipe misalignment repair device of claim 3, wherein: the radial top bracing unit (3) comprises an outer bracing push rod (31) and a thrust connecting rod (32);

the outer supporting push rods (31) in the same group are circumferentially and uniformly distributed around the main support (1), the inner ends of the outer supporting push rods (31) in the same group are hinged with the same end of the main support (1), and the outer ends of the outer supporting push rods (31) are in sliding connection with the corresponding top push plates (4);

one end of the thrust connecting rod (32) is hinged with the middle part of the outer support push rod (31), and the other end of the thrust connecting rod is connected with the driving mechanism (2);

the driving mechanism (2) comprises a linear pushing mechanism (21), a fixed part of the linear pushing mechanism (21) is connected with the main support (1), a movable part of the linear pushing mechanism (21) extends along the length direction of the main support (1), a pushing hinged seat (22) is arranged on the movable part of the linear pushing mechanism (21), and the pushing hinged seat (22) is hinged to all the thrust connecting rods (32) in the same group.

5. The pipe misalignment repair device of claim 4, wherein: the inboard of push pedal (4) is provided with outward along its length direction is fixed and props slider guide arm (34), it is equipped with two outward to prop guide slider (33), two to prop sliding sleeve on slider guide arm (34) outward prop guide slider (33) respectively with corresponding a pair of radially propping outer push rod (31) outer end of propping unit (3) and hinge.

6. The pipe misalignment repair device of claim 4, wherein: the main support (1) comprises two hinged supports (11) which are arranged oppositely, the two hinged supports (11) are connected through at least two connecting rods (12) which are arranged in parallel, the connecting rods (12) are parallel to the length direction of the top push plate (4), and the middle parts of all the connecting rods (12) are connected with the same seat plate (13);

each hinged support (11) is hinged with the inner end of the outer support push rod (31) of the same group;

the straight-line pushing mechanism (21) is fixedly arranged on the seat plate (13) and is arranged between the connecting rods (12), and the movable part of the straight-line pushing mechanism (21) faces to the corresponding hinged support (11).

7. The pipe misalignment repair device of claim 6, wherein: each pushing hinged seat (22) is connected with at least two guide retainers (23) respectively, and the guide retainers (23) connected to the same pushing hinged seat (22) correspond to the connecting rods (12) one by one and are in sliding fit with the connecting rods respectively.

8. The pipe misalignment repair device of claim 7, wherein: the hinged supports (11) are in a square frame shape, and four corners of the two hinged supports (11) are respectively provided with one connecting rod (12);

one the hoop propping component is provided with four radial propping units (3), four radial propping units (3) are distributed in four gaps between the connecting rods (12), and the inner ends of the external propping push rods (31) are respectively hinged with the middle parts of four frame strips of the hinged support (11).

9. The pipeline dislocation repair device according to any one of claims 1 to 8, wherein: the top push plate (4) is an arc-shaped plate.

10. The pipeline dislocation repair device according to any one of claims 1 to 8, wherein: the walking mechanism (5) comprises four movable supporting legs (51) and rollers (52), the four movable supporting legs (51) are connected to the lower side of the main support (1), and the rollers (52) are arranged at the lower end of each movable supporting leg (51).