CN117027658A - Micro-top broaching machine complete equipment for pipeline in-situ replacement and construction method - Google Patents
Micro-top broaching machine complete equipment for pipeline in-situ replacement and construction method Download PDFInfo
- Publication number
- CN117027658A CN117027658A CN202310936640.2A CN202310936640A CN117027658A CN 117027658 A CN117027658 A CN 117027658A CN 202310936640 A CN202310936640 A CN 202310936640A CN 117027658 A CN117027658 A CN 117027658A
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- Prior art keywords
- pipeline
- drilling machine
- pipe
- old
- micro
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Links
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 claims abstract description 40
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 239000002002 slurry Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 7
- 238000009412 basement excavation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a micro-top-pulling drilling machine complete equipment for pipeline in-situ replacement and a construction method, wherein a drilling machine and a tubing oil cylinder are respectively positioned in two sedimentation wells, a drilling rod penetrates through an old pipeline to be replaced, two ends of the drilling rod are respectively connected with the head parts of the drilling machine and a crushing reamer, one end of a pulling rod penetrates through a new pipeline to be replaced and is connected with the tail parts of the crushing reamer, the other end of the pulling rod is detachably connected with the tubing oil cylinder, a drilling rod with a longer length and a pulling rod with a longer length can be formed in a narrow well chamber, a plurality of new pipelines with shorter lengths are connected end to form the old pipeline to be replaced, the drilling machine drives the crushing reamer to rotate so as to crush the old pipeline and push the old pipeline outwards, so that the inner diameter of the new pipeline can be the same as that the original pipeline, a digging pit and the ground are not needed, a mud pumping vehicle is arranged at the outlet of the well, mud pumping pipe is connected to the input end of the well, the mud in the well can be pumped away in time, the replacement efficiency of the pipeline is greatly improved, and the environment is protected.
Description
Technical Field
The invention relates to a micro-top-pulling drilling machine complete equipment for pipeline in-situ replacement and a construction method, and belongs to the technical field of pipeline laying.
Background
At present, the common modes for replacing the old pipeline are a direct excavation method and a non-excavation method. The non-excavation construction equipment which is frequently adopted comprises a non-excavation drilling machine, a pneumatic pipe ramming hammer, a horizontal drilling machine and the like, and the non-excavation construction technology is mature in the process of building new and old urban areas, paving new underground pipelines of highways, rivers, bridges, buildings and the like, and has great superiority compared with the traditional excavation technology.
When the underground pipeline has the defects of damage, collapse, deformation and the like, the existing pipeline repairing method generally adopts a mode of excavating a working pit to integrally replace the original pipeline, and the environment and normal traffic are influenced due to the fact that the ground is excavated, so that the construction cost is high, and the construction efficiency is low.
Disclosure of Invention
The invention aims to provide a micro-top-pulling drilling machine complete equipment for pipeline in-situ replacement and a construction method thereof, so as to solve the problems in the prior art.
The technical scheme of the invention is as follows:
a micro-roof drill kit for in-situ replacement of a pipe, comprising:
the drilling machine is positioned in one sedimentation well and at one end of the old pipeline;
the tubing oil cylinder is positioned in the other sedimentation well and positioned at the other end of the old pipeline;
a crushing reamer, the outer wall of which is provided with a crushing cutting blade;
the drill rod penetrates through the old pipeline to be replaced, the two ends of the drill rod are respectively connected with the head of the drilling machine and the head of the crushing reamer, and the drill rod comprises a plurality of short drill rods which are detachably connected end to end;
one end of the pull rod penetrates through the new pipeline and is connected with the tail part of the crushing reamer, and the other end of the pull rod is connected with the concave-convex shaft; the movable end of the tubing cylinder is connected with a rear baffle, the concave-convex shaft penetrates through the rear baffle, and one end of the rear baffle is tightly attached to a new pipeline to be paved; the cylinder barrel end of the tubing cylinder is provided with a clamping groove which is clamped on the concave-convex shaft, and the pull rod comprises a plurality of short pull rods which are detachably connected end to end; the piston rod end presses the rear baffle, and when the piston rod extends out, the rod-loading oil cylinder pushes the rear end cover to press the new pipeline with the front new pipeline;
the mud pumping vehicle is characterized in that the input end of the mud pumping vehicle is connected with a mud pumping pipe.
Preferably, the drilling machine is fixed in the corresponding sedimentation well through an anchoring device.
Preferably, a bottom cushion layer is laid on the bottom wall of the sedimentation well.
Preferably, the device further comprises a slurry pump, wherein the output end of the slurry pump is connected with a water pipe, and the input end of the slurry pump is connected with an external water source.
Preferably, the tail end of the pull rod is provided with a concave-convex shaft, the movable end of the tubing cylinder is connected with a rear baffle, and the concave-convex shaft penetrates through the rear baffle to be clamped and matched with the fixed end of the tubing cylinder.
Preferably, the head end and the tail end of the new pipeline are in clamping fit.
Preferably, the rear end face of the tail part of the crushing reamer is fixedly provided with a pipe protection ring, and the front end of the new pipeline at the forefront end is sleeved on the outer wall of the pipe protection ring and is abutted with the rear end face of the crushing reamer.
A construction method of micro-top-pulling drilling machine complete equipment for pipeline in-situ replacement comprises the following steps:
excavating and constructing sedimentation wells at the front end and the rear end of an old pipeline to be replaced;
a tubing oil cylinder and a drilling machine are respectively arranged in the two sedimentation wells;
the drill rod in the drilling machine is pushed into another sedimentation well along the old pipeline through the guide device;
replacing the guide device with a crushing reamer, and connecting the other end of the crushing reamer with a tubing oil cylinder through a pull rod;
the old pipeline is used as a conductor, and the drilling machine and the tubing cylinder respectively push and pull the broken reamer to cut, break and expand the old pipeline; meanwhile, the tubing cylinder pushes the new pipeline into the replacement old pipeline.
Preferably, the slurry in the sedimentation well/new pipeline is adsorbed and extracted through a slurry extracting vehicle and a slurry extracting pipe in the construction process;
after the new pipeline is completely paved to replace the old pipeline, high-pressure water is introduced into the new pipeline for flushing through the cooperation of the water pipe and the slurry pump.
Preferably, after the construction is finished, the slurry in the sedimentation well is pumped out, then the sand is backfilled, and finally the concrete is paved.
The invention has the following beneficial effects:
the novel drilling machine has the advantages that a plurality of short drilling rods can be sequentially connected end to form a drilling rod with a longer length in a narrow well chamber, the short drilling rods are sequentially connected end to form a pulling rod with a longer length, a plurality of novel pipelines with shorter lengths are sequentially connected end to form an old pipeline to be replaced, the drilling machine drives the crushing reamer to rotate to rotationally crush the old pipeline and push the old pipeline outwards, the inner diameter of the novel pipeline can be identical to that of the original pipeline, the existing well chamber is utilized, the whole replacement of a drainage pipeline between two well chambers can be realized without excavating a working pit and the ground, the replacement efficiency of the pipeline is greatly improved, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a partial A enlarged structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the part B of FIG. 1;
fig. 4 is a schematic view of the construction of the crushing reamer of the present invention.
FIG. 5 is a schematic view of a prior art crushing reamer;
FIG. 6 is a schematic view of the crushing cutting blade of the present invention;
fig. 7 is a schematic view of the construction of the crushing reamer and its outer components of the present invention.
The reference numerals in the drawings are as follows:
1. soil; 2. a new pipeline; 3. a bottom hole pad layer; 4. a concave-convex shaft; 5. a tubing cylinder; 6. a rear baffle; 7. a pull rod; 8. a hydraulic station; 9. a slurry pump; 10. a mud pumping vehicle; 11. a mud pumping pipe; 12. a hydraulic oil pipe; 13. a water pipe; 14. crushing the reamer; 141. crushing the cutting blade; 142. a spiral chip groove; 15. a connecting pin; 17. a short pull rod joint; 19. a drill rod; 20. old pipes; 21. leveling means; 22. an anchoring device; 24. a slewing gear box; 25. an operation table; 27. a drill pipe centralizer; 28. a push-pull mechanism.
Detailed Description
The invention will now be described in detail with reference to the drawings and to specific embodiments.
Examples: as shown in fig. 1-4:
below the earth 1 there are two settling wells, between which the old pipe 20 needs to be replaced with a new one.
A drilling machine is fixedly installed in one precipitation well through an anchoring device 22; the tubing cylinder 5, the rear end cap 6, the relief shaft 4 and the crushing reamer 14 are placed in another precipitation well.
Inserting a short drill rod with a shorter length into the old pipeline 20, and sequentially connecting the short drill rod end to form a drill rod 19, wherein one end of the drill rod 19 is connected with a drilling machine, and the other end of the drill rod is connected with the head of the crushing reamer 14;
crushing cutting blades 141 are uniformly installed on the outer side wall of the crushing reamer 14;
the tail part of the crushing reamer 14 is provided with a short pull rod joint 17, and the short pull rod joint 17 (the head end of the pull rod 7) and the short pull rod are connected into a whole through a connecting pin 15; any number of short pull rods can be sequentially connected end to end according to the working progress to form the pull rod 7.
The movable end of the tubing cylinder 5 is fixedly connected with a rear baffle 6, the fixed end of the tubing cylinder 5 is fixedly clamped with a concave-convex shaft 14, and the tail end of the pull rod 7 linearly penetrates through the rear baffle 6 and is fixedly connected with the concave-convex shaft 14.
The new pipeline 2 can adopt a PE composite solid wall pipe with a double-seal self-locking socket joint; the head end and the tail end of the new pipeline 2 are matched in a clamping way, and the two adjacent new pipelines 2 are clamped and fixedly connected into a whole when being spliced head and tail. The whole of the new pipelines 2 after head-to-tail connection has flexibility, and can adapt to uneven sedimentation.
The rear end face of the tail part of the crushing reamer 14 is fixedly provided with a pipe protection ring, and the front end of the new pipeline 2 at the forefront end is sleeved on the outer wall of the pipe protection ring and is abutted with the rear end face of the crushing reamer 14.
Working principle:
when the novel pipeline crushing reamer is used, a certain section of short pull rod of the pull rod 7 positioned in the corresponding sedimentation well of the tubing oil cylinder 5 is temporarily separated, a new pipeline 2 is sleeved on the outer side of the short pull rod/pull rod 7, then the temporarily separated sections of short pull rods are reconnected, the tubing oil cylinder 5 is stretched, the tubing oil cylinder 5 stretches to compress the plurality of new pipelines 2 on the outer side of the pull rod 7 towards the tail of the crushing reamer 14 through the rear baffle 6, and a structure that the plurality of new pipelines 2 are sequentially connected end to form a longer structure and can not be separated any more is realized.
The drill then pulls the crushing reamer 14 rearward while the crushing reamer 14 rotates to ream the pipe in the direction of the drill. The crushing reamer 14 crushes the old pipe 20 and squeezes the chips to the outer wall of the newly laid new pipe 2, during which the compacted new pipe 2 follows a synchronous advance to replace the old pipe 20;
because the width of the sedimentation well is smaller, after a period of operation, new pipelines 2 need to be sleeved outside the pull rod 7, so that the number of the new pipelines 2 outside the pull rod 7 is increased in sequence.
In the working process, part of residual soil and water are mixed into slurry and enter the new pipeline 2 from the crushing reamer 14, a mud pumping vehicle 10 positioned on the ground stretches into the new pipeline 2 through a mud pumping pipe 11, the slurry in the new pipeline 2 is pumped out in time, after the new pipeline 2 is completely paved to replace the old pipeline 20, one end of a water pipe 13 is inserted into the new pipeline 2, the other end of the water pipe 13 is connected with a slurry pump 9, the input end of the slurry pump 9 is connected with an external water source, so that high-pressure water is introduced into the new pipeline 2, the residual slurry and fine sand stones in the pipeline are flushed out and flow into the bottom wall in a sedimentation well, and the mud pumping vehicle 10 sucks the residual slurry in the bottom wall in the sedimentation well through the mud pumping pipe 11.
A layer of bottom cushion layer 3 is paved on the bottom wall in the sedimentation well, the solidified ground is favorable for placing and fixing a drilling machine, and the construction and the cleaning work after time are convenient.
The hydraulic station 8 is mounted on the ground and powers the drilling rig through hydraulic tubing 12.
Further, the horizontal miniature top-pulling pipe drilling machine is adopted as the drilling machine, and comprises a leveling mechanism 21, a rotary gear box 24, an operating table 25, a drill rod centralizer 27 and a push-pull mechanism 28, wherein the components are all in the prior art; the leveling mechanism 21 is used for adjusting the height and angle of the whole device of the drilling machine, so that the drill rod 19 on the leveling mechanism is beneficial to aligning to the old pipeline 20; the slewing gear box 24 and the push-pull mechanism 28 cooperate to advance the drill rod 19 into the old pipe 20 and up to the settling well at the other end of the pipe; the worker controls the drilling machine through the operation table 25; the drill rod centralizer 27 serves to centralize the drill rod 19.
As shown in fig. 5, a crushing cutter blade 141 is disposed on the outer side of the crushing reamer 14 in the prior art, the crushing cutter blade 141 extends integrally along the track direction of the outer side of the crushing reamer 14, the extending direction of the crushing cutter blade 141 is parallel to the axis of the crushing reamer 14, the crushing cutter blade 141 has a blade structure, and the crushing cutter blade 141 is pulled to cut a slit from the old pipe and to squeeze the new pipe into the old pipe. The method has low success rate of pipe replacement and ex-situ original pipe size replacement.
As shown in fig. 4, the crushing cutting blades 141 of the improved crushing reamer 14 have a plurality of groups of columnar structures and are mutually independent, meanwhile, the plurality of groups of crushing cutting blades 141 with columnar structures are spirally distributed on the circular table surface of the crushing reamer 14 by taking the axis of the crushing reamer 14 as the center, and the spirally distributed crushing cutting blades 141 rotate to be beneficial to rotationally crushing and outwardly pushing old pipelines, so that the treatment mode of the old pipelines is different from that of the prior art; as shown in fig. 6 to 7, the end of the crushing cutter blade 141 has a linear blade structure, the crushing cutter blade 141 of the linear blade structure is substantially tangential to the spiral direction of the crushing cutter blade 141, the old pipe is cut into a slit by pulling the crushing cutter blade 141, and the new pipe is extruded into the old pipe;
as shown in fig. 7, the outside circular truncated surface of the crushing reamer 14 is provided with helical junk slots 142 for squeezing the crushed old pipe chips to the newly laid pipe outer wall.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The utility model provides a little top broaching machine complete sets for pipeline normal position replacement which characterized in that includes:
a drilling rig located within a settling well and at one end of the old pipe (20);
the tubing oil cylinder (5) is positioned in the other sedimentation well and at the other end of the old pipeline (20);
a crushing reamer (14), the outer wall of the crushing reamer (14) being provided with crushing cutting blades (141);
the drill rod (19), the drill rod (19) penetrates through an old pipeline (20) to be replaced, two ends of the drill rod are respectively connected with the head of the drilling machine and the head of the crushing reamer (14), and the drill rod (19) comprises a plurality of short drill rods which are detachably connected end to end;
one end of the pull rod (7) penetrates through the new pipeline (2) and is connected with the tail of the crushing reamer (14), and the other end of the pull rod is connected with the concave-convex shaft (4); the movable end of the tubing cylinder (5) is connected with a rear baffle (6), the concave-convex shaft (4) penetrates through the rear baffle (6), and one end of the rear baffle is tightly attached to a new pipeline (2) to be paved; a clamping groove is formed in the cylinder barrel end of the tubing cylinder (5) and clamped on the concave-convex shaft (4), and the pull rod (7) comprises a plurality of short pull rods which are detachably connected end to end;
the mud pumping vehicle (10), the mud pumping pipe (11) is connected to the input end of the mud pumping vehicle (10).
2. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: the drilling machine is fixed in the corresponding sedimentation well through an anchoring device.
3. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: a bottom hole cushion layer (3) is laid on the bottom wall in the sedimentation well.
4. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: the device also comprises a slurry pump (9), wherein the output end of the slurry pump (9) is connected with a water pipe (13), and the input end of the slurry pump (9) is connected with an external water source.
5. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: the tail end of the pull rod (7) is provided with a concave-convex shaft (4), the movable end of the tubing cylinder (5) is connected with a rear baffle (6), and the concave-convex shaft (4) penetrates through the rear baffle (6) to be clamped and matched with the fixed end of the tubing cylinder (5).
6. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: the two ends of the new pipeline (2) are clamped and matched.
7. The micro-roof drill plant for in-situ replacement of a pipe according to claim 1, wherein: the rear end face of the tail part of the crushing reamer (14) is fixedly provided with a pipe protection ring, and the front end of the new pipeline (2) at the forefront end is sleeved on the outer wall of the pipe protection ring and is abutted to the rear end face of the crushing reamer (14).
8. A construction method using the micro-roof-pulling drilling machine complete equipment for in-situ replacement of a pipeline according to any one of claims 1 to 7, which is characterized in that: the method comprises the following steps:
excavating and constructing sedimentation wells at the front end and the rear end of an old pipeline (20) to be replaced;
a tubing oil cylinder (5) and a drilling machine are respectively arranged in the two sedimentation wells;
a drill rod (19) in the drilling machine is pushed into another sedimentation well along an old pipeline (20) through a guide;
replacing the guide device with a crushing reamer (14), wherein the other end of the crushing reamer (14) is connected with a tubing cylinder (5) through a pull rod (7);
the old pipeline (20) is used as a conductor, and the drilling machine and the tubing oil cylinder (5) respectively carry out jacking and pulling on the broken reamer (14) to realize cutting, breaking and pipe expanding of the old pipeline (20); meanwhile, the tubing cylinder (5) pushes the new pipeline (2) into the replacement old pipeline (20).
9. The construction method of the micro-top-pulling drilling machine complete equipment for in-situ replacement of the pipeline as set forth in claim 8, wherein the construction method comprises the following steps: in the construction process, the mud in the sedimentation well/new pipeline (2) is absorbed and pumped out through a mud pumping vehicle (10) and a mud pumping pipe (11);
after the new pipeline (2) is completely paved to replace the old pipeline (20), high-pressure water is introduced into the new pipeline (2) for flushing through the cooperation of the water pipe (13) and the slurry pump (9).
10. The construction method of the micro-top-pulling drilling machine complete equipment for in-situ replacement of the pipeline as set forth in claim 8, wherein the construction method comprises the following steps: after the construction is finished, firstly extracting the slurry in the sedimentation well, then backfilling sand and stone, and finally paving concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936640.2A CN117027658A (en) | 2023-07-27 | 2023-07-27 | Micro-top broaching machine complete equipment for pipeline in-situ replacement and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936640.2A CN117027658A (en) | 2023-07-27 | 2023-07-27 | Micro-top broaching machine complete equipment for pipeline in-situ replacement and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117027658A true CN117027658A (en) | 2023-11-10 |
Family
ID=88625432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310936640.2A Pending CN117027658A (en) | 2023-07-27 | 2023-07-27 | Micro-top broaching machine complete equipment for pipeline in-situ replacement and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117027658A (en) |
-
2023
- 2023-07-27 CN CN202310936640.2A patent/CN117027658A/en active Pending
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