A non-in-hole non-excavation pipe repairing device

Abstract

The application provides a kind of non downhole non-excavation pipeline repair equipment, including support device, slidingly arranged on the support device propelling device, fixed assembly and locking assembly, the first and last ends of repair pipe are provided with matched internal and external threads, fixed assembly includes fixed collar and fixed half ring and moving half ring arranged in fixed collar, to realize the fixation of repair pipe;Locking assembly includes locking rod and locking chain, one end of locking rod is also provided with locking groove matched with locking chain, to realize the locking of repair pipe, and then realize the first and last assembly of two repair pipes.The application can realize the lowering of repair pipe and the propulsion of repair pipe by the assembly of repair pipe, propelling device and lifting frame, avoiding the situation of personnel downhole;By using the repair pipe with internal and external threads and the present repair equipment, the threaded fixing between repair pipes is realized, the sealing between repair pipes is increased, and the work efficiency of pipeline repair is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline repair, in particular to a non-well non-excavation pipeline repair equipment. BACKGROUND

[0002] With the gradual improvement of urbanization development, the early laid underground pipeline also appears aging condition, and then the underground pipeline needs to be repaired or replaced;

[0003] The existing construction method for repairing underground pipeline generally needs to groove or excavate the ground corresponding to the underground pipeline, but the underground pipeline and the ground are laid with various pipelines with complex environment, and this construction method will cause the pipelines laid above the pipeline to be damaged, causing hidden dangers to the safety of surrounding residents;

[0004] The existing technology generally adopts buckle type connection for repairing the underground pipeline, which needs to seal the gap between the repair pipelines twice, and in the process of repairing the pipeline, the pushing equipment needs to be placed in the well by manual well, so as to carry out the repair work, which makes the repair steps complicated and leads to low repair efficiency. SUMMARY

[0005] Therefore, the present application solves the problem of providing a non-well non-excavation pipeline repair equipment which does not need to go down the well and can ensure the sealing between the repair pipelines.

[0006] To solve the above technical problems, the technical scheme adopted by the present application is: a non-well non-excavation pipeline repair equipment, comprising a supporting device, a pushing device slidingly arranged on the supporting device, a fixing assembly and a locking assembly, the first and second ends of the repair pipe are respectively provided with matching internal and external threads, the fixing assembly comprises a fixing collar and a fixing half ring and a moving half ring arranged inside the fixing collar, and the fixing of the repair pipe is realized;

[0007] The locking assembly comprises a locking rod and a locking chain, and one end of the locking rod is also provided with a locking groove matched with the locking chain, so as to realize the locking of the repair pipe, and then realize the assembly of the first and second ends of the two repair pipes, so that the two repair pipes are fixed by threads, avoiding the manual assembly of the repair pipe.

[0008] The supporting device comprises a supporting frame and a lifting frame slidingly arranged in the supporting frame, a lifting screw rod is rotatably installed on the top of the lifting frame, the lifting screw rod penetrates a top rod of the supporting frame, a threaded groove matched with the lifting screw rod is further arranged on the top rod, and a lifting rotary rod is arranged on the top of the lifting screw rod, so as to realize the lifting adjustment of the lifting frame.

[0009] The two sides of the inner side of the support frame are provided with lifting grooves, and the two sides of the lifting frame are respectively slidably arranged in the two lifting grooves.

[0010] The advancing device comprises an advancing equipment and a limiting plate fixedly installed at the tail of the advancing equipment, the bottom of the limiting plate is further provided with a limiting through pipe, the output end of the advancing equipment is provided with an advancing assembly matched with the repair pipe, the advancing assembly comprises an advancing plate, and the bottom of the advancing plate is provided with a pulley to realize the advancing of the advancing equipment to the repair pipe.

[0011] The advancing plate is fixedly installed at the output end of the advancing equipment, the bottom of the advancing plate is provided with a pulley frame, and the two sides of the pulley frame are further rotatably installed with pulleys through rotating shafts.

[0012] The outer side of the advancing plate is further fixedly installed with a supporting column, the outer side center position of the supporting column is further provided with a positioning column, the advancing assembly further comprises a positioning plate matched with the repair pipe, the center position of the positioning plate is provided with a through hole matched with the positioning column to realize the positioning of the positioning plate and further realize the positioning of the repair pipe position.

[0013] The bottom of the lifting frame is rotatably provided with a walking frame matched with the advancing device, the walking frame is provided with a sliding groove matched with the pulley, one end of the walking frame is further provided with a limiting frame matched with the limiting plate, and the limiting frame is further provided with a limiting bolt matched with the limiting through pipe to realize the fixation of the advancing device.

[0014] The fixed half ring and the moving half ring are matched with the repair pipe, the top of the moving half ring is rotatably installed with a moving screw rod, the fixed sleeve ring is provided with a threaded groove matched with the moving screw rod, and the top of the moving screw rod is further provided with a moving handle to realize the lifting adjustment of the moving half ring and further realize the fixation of the repair pipe by the fixed assembly.

[0015] One end of the locking rod is fixedly locked with one end of the locking chain, each link of the locking chain is provided with a locking column, the locking groove is matched with the link width of the locking chain to realize the locking of the locking column and further realize the locking of the locking chain.

[0016] In the actual working process, when the locking groove locks the locking chain, the locking chain tightly holds the repair pipe, the locking rod is rotated in the direction of the chain disc, the repair pipe is rotated with the locking assembly, and the threaded fixation of the two repair pipes is realized.

[0017] The cross section of the lifting frame is in the shape of "Π".

[0018] In the actual working process, the repair pipe is assembled with the propelling device and the propelling device is assembled with the lifting frame, then the propelling device is lowered into the well through the support frame, and the position of the propelling device and the repair pipe is adjusted through the lifting frame, so that the repair pipe is propelled into the pipeline to be repaired until a part of the repair pipe is left, the repair pipe which has partially entered the pipeline is fixed through the fixing assembly, the propelling device is separated from the repair pipe, another repair pipe is fixed with another fixing assembly, the locking assembly is sleeved and locked on the repair pipe, the repair pipe is lowered into the well and corresponds to the repair pipe which has partially entered the pipeline, the locking assembly is rotated to realize the head-to-tail assembly of the two repair pipes.

[0019] The application has the advantages and positive effects that:

[0020] (1) The repair pipe is lowered and propelled through the assembly of the repair pipe with the propelling device and the propelling device with the lifting frame, so that the personnel can not go down into the well, and the excavation of the ground corresponding to the underground pipeline is avoided, and the safety of the surrounding environment and personnel during maintenance is maintained.

[0021] (2) The repair pipes are fixed through the threads at the head and tail of the repair pipes and the fixing assembly and the locking assembly, so that the sealing between the repair pipes is increased, the workload of pipeline repair is reduced, and the work efficiency of pipeline repair is improved. DETAILED DESCRIPTION

[0022] The accompanying drawings are used to provide a further understanding of the application, and constitute a part of the specification, and are used to explain the application together with embodiments of the application, and do not constitute a limitation to the application. In the drawings:

[0023] Figure 1 is a first perspective view of the overall structure of a non-well non-excavation pipeline repair device of the application;

[0024] Figure 2 is a second perspective view of the overall structure of a non-well non-excavation pipeline repair device of the application;

[0025] Figure 3 is Figure 2 is a local enlarged view of A in FIG. 1;

[0026] Figure 4 is a sectional view of a non-well non-excavation pipeline repair device of the application;

[0027] Figure 5 is a schematic view of the assembly structure of the propelling device and the supporting device of a non-well non-excavation pipeline repair device of the application;

[0028] Figure 6is a non-well non-excavation pipeline repair equipment walking frame and pulley assembly part structure schematic view of the application;

[0029] Figure 7 is a non-well non-excavation pipeline repair equipment fixed assembly idle state structure schematic view of the application;

[0030] Figure 8 is a non-well non-excavation pipeline repair equipment with guide ring overall structure schematic view of the application;

[0031] In the figure:

[0032] 1, support device; 11, support frame; 12, lifting frame; 13, lifting screw; 14, top rod; 15, lifting rotary rod; 16, lifting groove;

[0033] 2, propulsion device; 21, propulsion equipment; 22, limiting plate; 23, limiting tube; 24, propulsion assembly; 241, propulsion plate; 242, pulley frame; 243, pulley; 244, positioning plate; 25, support column; 26, positioning column;

[0034] 3, fixed assembly; 31, fixed ring; 32, fixed half ring; 33, moving half ring; 34, moving screw; 35, moving rotary rod;

[0035] 4, locking assembly; 41, locking rod; 42, locking chain; 43, locking column; 44, locking groove;

[0036] 5, repair pipe; 6, walking frame; 7, sliding groove; 8, limiting frame; 9, limiting bolt; 10, guide head. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0039] Unless otherwise defined, 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 application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0040] As shown in the Figures 1 to 7 The application provides a non-downhole non-excavation pipeline repair device, which comprises a supporting device 1, a propelling device 2 slidingly arranged on the supporting device 1, a fixing assembly 3 and a locking assembly 4, the two ends of a repair pipe 5 are respectively provided with matching internal and external threads, the fixing assembly 3 comprises a fixing collar 31 and a fixing half ring 32 and a moving half ring 33 arranged inside the fixing collar 31, and the fixing of the repair pipe 5 is realized.

[0041] The locking assembly 4 comprises a locking rod 41 and a locking chain 42, one end of the locking rod 41 is further provided with a locking groove 44 matched with the locking chain 42, so as to realize the locking of the repair pipe 5, and then realize the head-to-tail assembly of two repair pipes 5, so that the two repair pipes 5 are threadedly fixed, and the manual assembly of the repair pipe 5 is avoided.

[0042] The supporting device 1 comprises a supporting frame 11 and a lifting frame 12 slidingly arranged inside the supporting frame 11, a lifting screw rod 13 is rotatably installed on the top of the lifting frame 12, the lifting screw rod 13 penetrates a top rod 14 of the supporting frame 11, a threaded groove matched with the lifting screw rod 13 is further arranged on the top rod 14, and a lifting rotary rod 15 is arranged on the top of the lifting screw rod 13, so as to realize the lifting adjustment of the lifting frame 12.

[0043] Both sides of the inner side of the supporting frame 11 are provided with lifting grooves 16, and both sides of the lifting frame 12 are slidingly arranged in the two lifting grooves 16 respectively.

[0044] The propelling device 2 comprises a propelling equipment 21 and a limiting plate 22 fixedly installed at the tail of the propelling equipment 21, the bottom of the limiting plate 22 is further provided with a limiting through pipe 23, the output end of the propelling equipment 21 is provided with a propelling assembly 24 matched with the repair pipe 5, the propelling assembly 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 propulsion of the repair pipe 5 by the propelling equipment 21.

[0045] The propelling plate 241 is fixedly installed at the output end of the propelling equipment 21, the bottom of the propelling plate 241 is provided with a pulley frame 242, and the pulley frame 242 is further rotatably installed with the pulley 243 through a rotating shaft on both sides.

[0046] The outer side of the propelling plate 241 is also fixedly provided with a supporting column 25, and the outer side center position of the supporting column 25 is also provided with a positioning column 26; the propelling assembly 24 further comprises a positioning plate 244 matched with the repair pipe 5, and the center position of the positioning plate 244 is provided with a through hole matched with the positioning column 26, so as to realize the positioning of the positioning plate 244 and further realize the positioning of the position of the repair pipe 5.

[0047] The bottom of the lifting frame 12 is rotatably provided with a walking frame 6 matched with the propelling device 2, the walking frame 6 is internally provided with a sliding groove 7 matched with the pulley 243, one end of the walking frame 6 is also provided with a limiting frame 8 matched with the limiting plate 22, and the limiting frame 8 is also provided with a limiting bolt 9 matched with the limiting through pipe 23, so as to realize the fixing of the propelling device 2.

[0048] The fixing half ring 32 and the moving half ring 33 are both matched with the repair pipe 5, the top of the moving half ring 33 is rotatably provided with a moving screw rod 34, the fixing sleeve ring 31 is provided with a threaded groove matched with the moving screw rod 34, and the top of the moving screw rod 34 is also provided with a moving rotary rod 35, so as to realize the lifting adjustment of the moving half ring 33 and further realize the fixing of the fixing assembly 3 to the repair pipe 5.

[0049] One end of the locking rod 41 is fixedly provided with one end of a locking chain 42 on the inner side, each link of the locking chain 42 is provided with a locking column 43, the locking groove 44 is matched with the link width of the locking chain 42, the locking of the locking column 43 is realized, and further the locking of the locking chain 42 is realized.

[0050] In the actual working process, when the locking groove 44 locks the locking chain 42, the locking chain 42 tightly holds the repair pipe 5, the locking rod 41 is rotated in the direction of the chain disc, the repair pipe 5 is rotated with the locking assembly 4, and further the threaded fixing of the two repair pipes 5 is realized.

[0051] The cross section of the lifting frame 12 is in the shape of "Π".

[0052] In the embodiment, the propelling device 21 is a hydraulic cylinder, the hydraulic cylinder is connected with a hydraulic pump, and the propelling of the repair pipe 5 is realized.

[0053] In the actual working process, the front end of the repair pipe 5 is also detachably provided with a guide head 10, the guide head 10 comprises a fixed ring and two guide half rings staggered on the fixed ring, and the inner side of the fixed ring is provided with an internal threaded groove matched with the external thread of the repair pipe 5, so as to realize the fixed connection with the repair pipe 5.

[0054] The working principle and working process of the application are as follows:

[0055] The pulley 243 of the propelling device 2 is placed in the sliding groove 7 of the walking frame 6, and then the limiting bolt 9 is sequentially threaded through one side of the limiting frame 8, the limiting through pipe 23 and the other side of the limiting frame 8, and then the tail end of the limiting bolt 9 is limited by the nut, so as to realize the assembly of the propelling device 2 and the lifting frame 12;

[0056] The outer threaded part of one repair pipe 5 is assembled and fixed with the guide head 10, and then the repair pipe 5 is assembled with the positioning plate 244, and then the positioning plate 244 with the repair pipe 5 is assembled with the supporting column 25, and then the supporting frame 11 with the repair pipe 5 is lowered in the well, the lifting rotating rod 15 is rotated, the lifting screw rod 13 is driven to rotate, the lifting frame 12 is driven to lift by the lifting screw rod 13, until the repair pipe 5 assembled with the propelling device 2 on the lifting frame 12 corresponds to the to-be-repaired pipe 5, the hydraulic pump is started, the output end of the hydraulic cylinder is extended, the repair pipe 5 is propelled into the to-be-repaired pipe 5, until most of the pipe body of the repair pipe 5 is left, so as to realize the propulsion of the repair pipe 5 into the to-be-repaired pipe 5.

[0057] The hydraulic pump is started in reverse, the output end of the hydraulic cylinder is retracted, the propelling device 2 is separated from the repair pipe 5, the fixing collar 31 is sleeved on the outside of the repair pipe 5 which has partially entered the repair pipe 5, so that the fixing half ring 32 on the inside of the fixing collar 31 abuts against the repair pipe 5, the moving screw rod 34 is rotated, the moving collar is driven to move downward by the moving screw rod 34, until the moving collar abuts against the repair pipe 5, so as to realize the fixation of the repair pipe 5 by the fixing assembly 3.

[0058] Another repair pipe 5 is fixed by another fixing assembly 3 by the same method, the repair pipe 5 is lowered in the well by the fixing assembly 3, until the repair pipe 5 corresponds to the repair pipe 5 which has partially entered the repair pipe 5, the fixing assembly 3 is slightly rotated, so that the repair pipe 5 is partially screwed with the repair pipe 5 which has partially entered the repair pipe 5, the moving screw rod 34 is rotated in reverse, so that the moving collar is separated from the repair pipe 5, the locking rod 41 is placed on the repair pipe 5, the locking chain 42 is arranged on the outside of the repair pipe 5, and then the tail end of the locking chain 42 is clamped in the locking groove 44, so as to realize the locking of the repair pipe 5, at this time, the locking chain 42 tightly holds the repair pipe 5, the locking rod 41 is rotated in the direction of the chain arrangement, so that the repair pipe 5 is rotated with the locking assembly 4, and the above steps are repeated until the two repair pipes 5 are threadedly fixed at the head and tail, at this time, the two repair pipes 5 are completely sealed, so as to realize the assembly of the two repair pipes 5 at the head and tail.

[0059] The repair pipe 5 on the outside is assembled with the positioning plate 244, the hydraulic pump is started, the output end of the hydraulic cylinder is extended, the repair pipe 5 on the outside is propelled into the to-be-repaired pipe 5, so as to realize the repair of the pipeline.

[0060] The application has the characteristics that the lowering and pushing of the repair pipes 5 are realized by assembling the repair pipes 5 with the pushing device 2 and the pushing device 2 with the lifting frame 12, the personnel going down into the well is avoided, the excavation of the ground corresponding to the underground pipeline is avoided, the safety of the surrounding environment and personnel is maintained, the thread fixing between the repair pipes 5 is realized by adopting the repair pipes 5 with the matching inner and outer threads at the head and tail and the fixing assembly 3 and the locking assembly 4, the sealing between the repair pipes 5 is increased, the workload of the pipeline repair is reduced, and the work efficiency of the pipeline repair is improved.

[0061] The above detailed description of the embodiments of the application is only the preferred embodiments of the application, and cannot be considered as limiting the scope of the implementation of the application. Any equivalent changes and improvements made within the scope of the application should still belong to the scope of the patent.

Claims

1. A non-underground, non-excavation pipeline repair device, characterized in that, The device includes a support device (1), a propulsion device (2) slidably mounted on the support device (1), a fixing component (3), and a locking component (4). The two ends of the repair tube (5) are respectively provided with matching internal and external threads. The fixing component (3) includes a fixing collar (31) and a fixing half-ring (32) and a moving half-ring (33) disposed inside the fixing collar (31) to fix the repair tube (5). The locking assembly (4) includes a locking rod (41) and a locking chain (42). One end of the locking rod (41) is also provided with a locking groove (44) that matches the locking chain (42) to lock the repair tube (5) and thus realize the end-to-end assembly of the two repair tubes (5). The support device (1) includes a support frame (11) and a lifting frame (12) slidably disposed inside the support frame (11). A lifting screw (13) is rotatably mounted on the top of the lifting frame (12). The lifting screw (13) passes through the top rod (14) of the support frame (11). The top rod (14) is also provided with a threaded groove that matches the lifting screw (13). A lifting rotary rod (15) is provided on the top of the lifting screw (13) to realize the lifting adjustment of the lifting frame (12). The support frame (11) has lifting grooves (16) on both sides of its inner side, and the lifting frame (12) is slidably disposed in the two lifting grooves (16) on both sides respectively. The propulsion device (2) includes a propulsion device (21) and a limiting plate (22) fixedly installed at the tail of the propulsion device (21). The bottom of the limiting plate (22) is also provided with a limiting tube (23). The output end of the propulsion device (21) is provided with a propulsion assembly (24) that matches the repair tube (5). The propulsion assembly (24) includes a propulsion plate (241). The bottom of the propulsion plate (241) is provided with a pulley (243) to realize the propulsion device (21) to propel the repair tube (5). The push plate (241) is fixedly installed at the output end of the push device (21). A pulley frame (242) is provided at the bottom of the push plate (241), and pulleys (243) are rotatably installed on both sides of the pulley frame (242). A support column (25) is fixedly installed on the outside of the push plate (241), and a positioning column (26) is provided at the center of the outside of the support column (25). The push assembly (24) also includes a positioning plate (244) that matches the repair tube (5). A through hole matching the positioning column (26) is provided at the center of the positioning plate (244) to achieve positioning of the positioning plate (244). One end of the locking chain (42) is fixed to the inner side of one end of the locking rod (41). Each link of the locking chain (42) is provided with a locking pin (43). The locking groove (44) matches the link width of the locking chain (42) to lock the locking pin (43).

2. The non-underground, trenchless pipeline repair equipment according to claim 1, characterized in that, The bottom of the lifting frame (12) is rotatably equipped with a walking frame (6) that matches the propulsion device (2). The walking frame (6) is equipped with a sliding groove (7) that matches the pulley (243). One end of the walking frame (6) is also equipped with a limiting frame (8) that matches the limiting plate (22). The limiting frame (8) is also equipped with a limiting bolt (9) that matches the limiting pipe (23) to fix the propulsion device (2).

3. The non-underground, trenchless pipeline repair equipment according to claim 1, characterized in that, Both the fixed half-ring (32) and the movable half-ring (33) are matched with the repair tube (5). The top of the movable half-ring (33) is provided with a movable screw (34). The fixed collar (31) is provided with a threaded groove that matches the movable screw (34). The top of the movable screw (34) is also provided with a movable rotating rod (35) to realize the lifting and lowering adjustment of the movable half-ring (33), thereby realizing the fixing of the repair tube (5) by the fixing component (3).

4. The non-underground, trenchless pipeline repair equipment according to claim 1, characterized in that, The cross-section of the lifting frame (12) is "Π".

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