CN115013633A

CN115013633A - Non-underground non-excavation pipeline repair equipment

Info

Publication number: CN115013633A
Application number: CN202210649670.0A
Authority: CN
Inventors: 韩禹; 季核义
Original assignee: Tianjin Kehuanyichen Science And Technology Development Co ltd
Current assignee: Tianjin Kehuanyichen Science And Technology Development Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-09-06

Abstract

The invention provides non-underground trenchless pipeline repairing equipment which comprises a supporting device, a propelling device, a fixing component and a locking component, wherein the propelling device, the fixing component and the locking component are arranged on the supporting device in a sliding manner, matched internal and external threads are arranged at the head end and the tail end of a repairing pipe, the fixing component comprises a fixed sleeve ring, a fixed semi-ring and a movable semi-ring, and the fixed semi-ring and the movable semi-ring are arranged in the fixed sleeve ring, so that the repairing pipe is fixed; the locking assembly comprises a locking rod and a locking chain, and one end of the locking rod is provided with a locking groove matched with the locking chain so as to realize locking of the repair pipes and further realize head and tail assembly of the two repair pipes. The invention can realize the lowering of the repair pipe and the propulsion of the repair pipe through the assembly of the repair pipe and the propulsion device as well as the propulsion device and the lifting frame, thereby avoiding the situation that personnel go into the well; through adopting the restoration pipe of internal and external screw thread and this repair equipment, realize the thread tightening between the restoration pipe, increased the leakproofness between the restoration pipe, improved pipeline restoration's work efficiency.

Description

Non-underground non-excavation pipeline repair equipment

Technical Field

The invention relates to the technical field of pipeline repair, in particular to non-underground trenchless pipeline repair equipment.

Background

With the gradual improvement of urbanization development, the underground pipeline laid in the early stage is aged, and needs to be repaired or replaced;

in the existing construction mode for repairing the underground pipeline, grooving or excavation is generally required to be performed on the ground corresponding to the underground pipeline, but various pipelines with complex environments are distributed between the underground pipeline and the ground, and the construction mode can cause the pipelines distributed above the pipeline to be damaged, thereby causing hidden danger to the safety of surrounding residents;

the restoration pipeline to underground piping generally adopts the buckle formula to connect among the prior art, and this kind of connected mode just needs carry out the secondary seal to the space between the restoration pipeline to at the in-process of restoration pipeline, need the manual work to go into the well, settle propulsion unit in the well, just can carry out repair work, make the restoration step loaded down with trivial details, lead to the repair efficiency not high.

Disclosure of Invention

In view of the above, the present invention provides a non-downhole trenchless pipeline repairing apparatus which does not need to go down a well and can ensure the sealing performance between repaired pipelines.

In order to solve the technical problems, the invention adopts the technical scheme that: a non-underground trenchless pipeline repairing device comprises a supporting device, a propelling device, a fixing assembly and a locking assembly, wherein the propelling device, the fixing assembly and the locking assembly are slidably arranged on the supporting device, the head end and the tail end of a repairing pipe are respectively provided with internal threads and external threads which are matched with each other, the fixing assembly comprises a fixed lantern ring, and a fixed semi-ring and a movable semi-ring which are arranged in the fixed lantern ring, so that the repairing pipe is fixed;

locking Assembly includes check lock lever and locking chain, the one end of check lock lever still is provided with locking chain assorted locking recess to the realization is to the locking of restoreing the pipe, and then realizes the head and the tail equipment to two restoration pipes, makes two restoration pipes carry out the thread tightening, has avoided the artifical equipment of going into the well to the restoration pipe.

The supporting device comprises a supporting frame and a lifting frame arranged inside the supporting frame in a sliding mode, a lifting screw rod is installed at the top of the lifting frame in a rotating mode, the lifting screw rod penetrates through an ejector rod of the supporting frame, a thread groove matched with the lifting screw rod is further formed in the ejector rod, and a lifting rotary rod is arranged at the top of the lifting screw rod to achieve lifting adjustment of the lifting frame.

The both sides of support frame inboard all are provided with the lift groove, the both sides that have the crane slide respectively and set up in two lift inslots.

Advancing device includes propulsion apparatus and fixed mounting in the limiting plate of propulsion apparatus afterbody, the limiting plate bottom still is provided with spacing siphunculus, propulsion apparatus's output is provided with and restores pipe assorted propulsion assembly, propulsion assembly is including advancing the board, the bottom that advances the board is provided with the pulley to realize the propulsion of propulsion apparatus to the restoration pipe.

The propelling plate is fixedly arranged at the output end of the propelling equipment, a pulley yoke is arranged at the bottom of the propelling plate, and pulleys are rotatably arranged on two sides of the pulley yoke through rotating shafts.

The propulsion assembly is characterized in that a supporting column is fixedly mounted on the outer side of the propulsion plate, a positioning column is further arranged at the center of the outer side of the supporting column, the propulsion assembly further comprises a positioning plate matched with the repair pipe, a through hole matched with the positioning column is formed in the center of the positioning plate, so that the positioning of the positioning plate is realized, and the positioning of the repair pipe is further realized.

The bottom of crane is rotated and is provided with the walking frame with advancing device assorted, be provided with in the walking frame with pulley assorted sliding tray, the one end of walking frame still be provided with limiting plate assorted spacing, still be provided with on the spacing with spacing siphunculus assorted spacing bolt to the realization is fixed advancing device.

The fixed semi-ring and the movable semi-ring are matched with the repair pipe, the top of the movable semi-ring is rotatably provided with a movable screw, a thread groove matched with the movable screw is formed in the fixed sleeve ring, and a movable rotary rod is further arranged at the top of the movable screw to realize the lifting adjustment of the movable semi-ring, so that the fixation of the fixed component on the repair pipe is realized.

The one end of the inboard fixed locking chain of one end of check lock pole, every interlinkage department in the locking chain all is provided with a locking post, the locking recess is with the interlinkage width phase-match of locking chain, realizes the locking to the locking post, and then realizes the locking to the locking chain.

In actual working process, treat the locking of locking recess to the locking chain, at this moment, the repair pipe is embraced tightly to the locking chain, establishes the direction along the chain dish and rotates the check lock lever for the repair pipe rotates along with locking Assembly, and then realizes the thread tightening of two repair pipes.

The cross section of the lifting frame is n-shaped.

In the actual working process, the repairing pipe is assembled with the propelling device and the propelling device is assembled with the lifting frame, the propelling device is placed into the well through the supporting frame, the positions of the propelling device and the repairing pipe are adjusted through the lifting frame, the repairing pipe is propelled into the pipeline to be repaired until the repairing pipe leaves a part of pipe body, the repairing pipe which partially enters the repairing pipe is fixed through the fixing assembly, the propelling device is separated from the repairing pipe, the other repairing pipe is fixed with the other fixing assembly, the locking assembly is sleeved and locked on the repairing pipe, the repairing pipe is placed into the well and corresponds to the repairing pipe which partially enters the repairing pipe, and the locking assembly is rotated to realize the head and tail assembly of the two repairing pipes.

The invention has the advantages and positive effects that:

(1) through the equipment of restoration pipe and advancing device and crane, realize transferring to the restoration pipe and the propulsion to the restoration pipe, avoided the condition that personnel went into the well, avoided the excavation to the corresponding ground of underground piping, maintained construction surrounding environment and personnel's safety.

(2) Through adopting the inside and outside screw thread assorted restoration pipe and fixed subassembly and the locking Assembly of head and the tail, realize the thread tightening between the restoration pipe, increased the leakproofness between the restoration pipe, reduced pipeline restoration work load, improved pipeline restoration's work efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic overall configuration from a first perspective of a non-downhole trenchless pipeline rehabilitation apparatus of the present invention;

FIG. 2 is a schematic overall structure view from a second perspective of a non-downhole trenchless pipeline rehabilitation apparatus of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

figure 4 is a cross-sectional view of a non-downhole trenchless pipeline rehabilitation apparatus of the present invention;

FIG. 5 is a schematic view of an assembly of a propulsion unit and a support unit of a non-downhole trenchless pipe rehabilitation apparatus of the present invention;

FIG. 6 is a schematic structural view of an assembly part of a traveling frame and a pulley of the non-downhole trenchless pipeline repairing device of the invention;

FIG. 7 is a schematic structural view of a stationary assembly of a non-downhole trenchless pipe rehabilitation apparatus of the present invention in an idle state;

FIG. 8 is a schematic view of the overall construction of a non-downhole trenchless pipe rehabilitation apparatus of the present invention with guide rings;

in the figure:

1. a support device; 11. a support frame; 12. a lifting frame; 13. a lifting screw; 14. a top rod; 15. a lifting rotary rod; 16. a lifting groove;

2. a propulsion device; 21. a propulsion device; 22. a limiting plate; 23. limiting through pipes; 24. a propulsion assembly; 241. a propulsion plate; 242. a pulley yoke; 243. a pulley; 244. positioning a plate; 25. a support column; 26. a positioning column;

3. a fixing assembly; 31. a fixed collar; 32. a stationary half ring; 33. moving the half ring; 34. moving the screw; 35. moving the rotary rod;

4. a locking assembly; 41. a locking lever; 42. locking the chain; 43. a locking post; 44. locking the groove;

5. repairing the pipe; 6. a walking frame; 7. a sliding groove; 8. a limiting frame; 9. a limit bolt; 10. a guide head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 7, the present invention provides a non-downhole trenchless pipeline repairing apparatus, which includes a supporting device 1, a propelling device 2 slidably disposed on the supporting device 1, a fixing assembly 3 and a locking assembly 4, wherein the head and the tail ends of a repairing pipe 5 are respectively provided with internal and external threads matched with each other, the fixing assembly 3 includes a fixing sleeve ring 31, and a fixing half ring 32 and a moving half ring 33 disposed inside the fixing sleeve ring 31, so as to fix the repairing pipe 5;

locking Assembly 4 includes locking lever 41 and locking chain 42, the one end of locking lever 41 still is provided with locking chain 42 assorted locking recess 44 to the realization is to the locking of restoreing pipe 5, and then realizes the head and the tail equipment to two restoration pipes 5, makes two restoration pipes 5 carry out the thread tightening, has avoided the artifical equipment of going into the well to restoration pipe 5.

The support device 1 comprises a support frame 11 and a lifting frame 12 arranged inside the support frame 11 in a sliding mode, a lifting screw 13 is installed at the top of the lifting frame 12 in a rotating mode, the lifting screw 13 penetrates through a top rod 14 of the support frame 11, a thread groove matched with the lifting screw 13 is further formed in the top rod 14, and a lifting rotary rod 15 is arranged at the top of the lifting screw 13 to achieve lifting adjustment of the lifting frame 12.

The both sides of support frame 11 inboard all are provided with lift groove 16, the both sides that have crane 12 slide respectively and set up in two lift grooves 16.

Propulsion unit 2 includes propulsion plant 21 and fixed mounting in the limiting plate 22 of propulsion plant 21 afterbody, limiting plate 22 bottom still is provided with spacing siphunculus 23, propulsion plant 21's output is provided with and repairs 5 assorted propulsion components 24, propulsion components 24 is including advancing board 241, the bottom of advancing board 241 is provided with pulley 243 to realize propulsion plant 21 to repairing the propulsion of pipe 5.

The propelling plate 241 is fixedly installed at the output end of the propelling device 21, a pulley yoke 242 is arranged at the bottom of the propelling plate 241, and pulleys 243 are rotatably installed on two sides of the pulley yoke 242 through rotating shafts.

The propulsion plate 241 is further fixedly provided with a supporting column 25 at the outer side, a positioning column 26 is further arranged at the center of the outer side of the supporting column 25, the propulsion assembly 24 further comprises a positioning plate 244 matched with the repair pipe 5, and a through hole matched with the positioning column 26 is formed in the center of the positioning plate 244 so as to position the positioning plate 244 and further position the repair pipe 5.

The bottom of crane 12 is rotated and is provided with advancing device 2 assorted walking frame 6, be provided with in the walking frame 6 with pulley 243 assorted sliding tray 7, the one end of walking frame 6 still be provided with limiting plate 22 assorted spacing 8, still be provided with on the spacing 8 with spacing siphunculus 23 assorted spacing bolt 9 to the realization is fixed advancing device 2.

The fixed half ring 32 and the movable half ring 33 are both matched with the repair pipe 5, the top of the movable half ring 33 is rotatably provided with a movable screw 34, the fixed sleeve ring 31 is provided with a thread groove matched with the movable screw 34, and the top of the movable screw 34 is also provided with a movable rotating rod 35 so as to realize the lifting adjustment of the movable half ring 33 and further realize the fixation of the fixed component 3 on the repair pipe 5.

The one end of the fixed locking chain 42 of inboard of the one end of locking lever 41, every interlinkage department in the locking chain 42 all is provided with a locking post 43, locking recess 44 and locking chain 42's interlinkage width phase-match realize the locking to locking post 43, and then realize the locking to locking chain 42.

In the actual working process, when the locking groove 44 locks the locking chain 42, the locking chain 42 tightly embraces the repairing pipe 5, and the locking rod 41 is rotated along the chain plate, so that the repairing pipe 5 rotates along with the locking assembly 4, and the thread fixing of the two repairing pipes 5 is realized.

The cross section of the lifting frame 12 is n-shaped.

In an embodiment, the propelling device 21 is a hydraulic cylinder, and the hydraulic cylinder is connected with a hydraulic pump to propel the rehabilitating pipe 5.

In the actual working process, a guide head 10 can be detachably arranged at the front end of the repair pipe 5, the guide head 10 comprises a fixing ring and two guide half rings fixed on the fixing ring in a staggered manner, and an internal thread groove matched with the external thread of the repair pipe 5 is formed in the fixing ring so as to realize the fixed connection with the repair pipe 5.

The working principle and the working process of the invention are as follows:

placing the pulley 243 of the propulsion device 2 in the sliding groove 7 of the walking frame 6, sequentially passing the limiting bolt 9 through one side of the limiting frame 8, the limiting through pipe 23 and the other side of the limiting frame 8, and limiting the tail end of the limiting bolt 9 through a nut to realize the assembly of the propulsion device 2 and the lifting frame 12;

assembling and fixing an external thread part of a repair pipe 5 with a guide head 10, assembling the repair pipe 5 with a positioning plate 244, assembling the positioning plate 244 with the repair pipe 5 with a support column 25, lowering a support frame 11 in a well, rotating a lifting rotary rod 15 to drive a lifting screw 13 to rotate, driving a lifting frame 12 to lift by the lifting screw 13 until the repair pipe 5 assembled by a pushing device 2 on the lifting frame 12 corresponds to 5 pipelines of the pipe to be repaired, starting a hydraulic pump to drive an output end of the hydraulic cylinder to extend out, pushing the repair pipe 5 into the 5 pipelines of the pipe to be repaired until most of pipe bodies are left in the repair pipe 5, and pushing the repair pipe 5 into the 5 pipelines of the pipe to be repaired;

starting the hydraulic pump reversely to retract the output end of the hydraulic cylinder, so that the propulsion device 2 is separated from the repair pipe 5, sleeving the fixed lantern ring 31 on the outer side of the repair pipe 5 which partially enters the repair pipe 5, enabling the fixed half ring 32 on the inner side of the fixed lantern ring 31 to abut against the repair pipe 5, rotating the movable screw 34, and enabling the movable lantern ring 34 to drive the movable lantern ring to move downwards until the movable lantern ring abuts against the repair pipe 5, so that the fixing component 3 fixes the repair pipe 5;

fixing another repairing pipe 5 by another fixing component 3 by the same method, lowering another repairing pipe 5 in the well by the fixing component 3 until the repairing pipe 5 corresponds to the repairing pipe 5 which partially enters the repairing pipe 5, slightly rotating the fixing component 3 to screw the repairing pipe 5 and the repairing pipe 5 which partially enters the repairing pipe 5, reversely rotating the movable screw 34 to separate the movable lantern ring from the repairing pipe 5, placing the locking rod 41 on the repairing pipe 5, coiling the locking chain 42 outside the repairing pipe 5, clamping the tail end of the locking chain 42 in the locking groove 44 to realize locking of the repairing pipe 5, wherein the locking chain 42 tightly holds the repairing pipe 5, rotating the locking rod 41 along the chain coiling direction to rotate the repairing pipe 5 along with the locking component 4, and repeating the steps until the two repairing pipes 5 are fixed by the head and the tail threads, at the moment, the two repair pipes 5 are completely sealed, so that the head and tail assembly of the two repair pipes 5 is realized;

and then the repair pipe 5 on the outer side is assembled with the positioning plate 244, the hydraulic pump is started to drive the output end of the hydraulic cylinder to extend out, so that the repair pipe 5 on the outer side is pushed into the pipe 5 to be repaired, and the pipeline is repaired.

The invention is characterized in that: through the assembly of the repair pipe 5 and the propulsion device 2 and the assembly of the propulsion device 2 and the lifting frame 12, the lowering of the repair pipe 5 and the propulsion of the repair pipe 5 are realized, the situation that personnel go into a well is avoided, the excavation of the ground corresponding to an underground pipeline is avoided, and the construction surrounding environment and the safety of the personnel are maintained; through adopting inside and outside screw thread assorted restoration pipe 5 and fixed subassembly 3 and locking Assembly 4 of head and the tail, realize the thread tightening between the restoration pipe 5, increased the leakproofness between the restoration pipe 5, reduced pipeline restoration work load, improved pipeline restoration's work efficiency.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The non-downhole trenchless pipeline repairing equipment is characterized by comprising a supporting device (1), a propelling device (2) arranged on the supporting device (1) in a sliding mode, a fixing component (3) and a locking component (4), wherein the head end and the tail end of a repairing pipe (5) are respectively provided with internal threads and external threads which are matched with each other, the fixing component (3) comprises a fixing sleeve ring (31), a fixing half ring (32) and a moving half ring (33) which are arranged inside the fixing sleeve ring (31), and the repairing pipe (5) is fixed;

locking Assembly (4) are including check lock lever (41) and locking chain (42), the one end of check lock lever (41) still is provided with locking chain (42) assorted locking recess (44) to the realization is to the locking of restoreing pipe (5), and then realizes the head and the tail equipment to two restoration pipes (5).

2. The non-downhole trenchless pipeline repairing device according to claim 1, wherein the supporting device (1) comprises a supporting frame (11) and a lifting frame (12) arranged inside the supporting frame (11) in a sliding manner, a lifting screw (13) is rotatably arranged at the top of the lifting frame (12), the lifting screw (13) penetrates through a top rod (14) of the supporting frame (11), a thread groove matched with the lifting screw (13) is further arranged on the top rod (14), and a lifting rotary rod (15) is arranged at the top of the lifting screw (13) so as to realize lifting adjustment of the lifting frame (12).

3. The trenchless pipe rehabilitation device of claim 2, wherein the inner sides of the support frame (11) are provided with lifting grooves (16), and the two sides of the lifting frame (12) are slidably arranged in the two lifting grooves (16).

4. The non-downhole trenchless pipeline repairing device according to claim 2, wherein the propelling device (2) comprises a propelling device (21) and a limiting plate (22) fixedly installed at the tail of the propelling device (21), the limiting plate (22) is further provided with a limiting through pipe (23), the output end of the propelling device (21) is provided with a propelling component (24) matched with the repairing pipe (5), the propelling component (24) comprises a propelling plate (241), and the bottom of the propelling plate (241) is provided with a pulley (243) so as to realize the propelling of the propelling device (21) to the repairing pipe (5).

5. The non-downhole trenchless pipeline rehabilitation device according to claim 4, wherein the propelling plate (241) is fixedly mounted at the output end of the propelling device (21), a pulley frame (242) is arranged at the bottom of the propelling plate (241), and pulleys (243) are rotatably mounted on two sides of the pulley frame (242).

6. The non-downhole trenchless pipeline repairing device according to claim 5, wherein a supporting column (25) is further fixedly mounted on the outer side of the pushing plate (241), a positioning column (26) is further disposed at the center position of the outer side of the supporting column (25), the pushing assembly (24) further comprises a positioning plate (244) matched with the repairing pipe (5), and a through hole matched with the positioning column (26) is disposed at the center position of the positioning plate (244) so as to position the positioning plate (244).

7. The non-downhole trenchless pipeline repairing equipment as claimed in claim 4, wherein the bottom of the lifting frame (12) is rotatably provided with a walking frame (6) matched with the propelling device (2), a sliding groove (7) matched with the pulley (243) is arranged in the walking frame (6), one end of the walking frame (6) is further provided with a limiting frame (8) matched with the limiting plate (22), and the limiting frame (8) is further provided with a limiting bolt (9) matched with the limiting through pipe (23) so as to fix the propelling device (2).

8. The non-downhole trenchless pipeline repairing apparatus according to claim 1, wherein the fixed half ring (32) and the movable half ring (33) are both matched with the repairing pipe (5), a movable screw (34) is provided on a top of the movable half ring (33), a thread groove matched with the movable screw (34) is provided on the fixed sleeve ring (31), and a movable rotating rod (35) is further provided on a top of the movable screw (34) to realize lifting adjustment of the movable half ring (33) and further realize fixing of the repairing pipe (5) by the fixing component (3).

9. The non-downhole trenchless pipeline rehabilitation device as claimed in claim 1, wherein one end of the locking chain (42) is fixed at the inner side of one end of the locking rod (41), a locking column (43) is arranged at each link of the locking chain (42), and the locking groove (44) is matched with the link width of the locking chain (42) to lock the locking column (43).

10. A non-downhole trenchless pipeline rehabilitation apparatus as claimed in claim 1 wherein the crane (12) is "Π" shaped in cross section.