CN1144549A - Apparatus for drilling open tunnel and drilling method - Google Patents
Apparatus for drilling open tunnel and drilling method Download PDFInfo
- Publication number
- CN1144549A CN1144549A CN95192189A CN95192189A CN1144549A CN 1144549 A CN1144549 A CN 1144549A CN 95192189 A CN95192189 A CN 95192189A CN 95192189 A CN95192189 A CN 95192189A CN 1144549 A CN1144549 A CN 1144549A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- control module
- drilling
- rig
- drill bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 18
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 description 4
- 239000012634 fragment Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000003042 antagnostic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/208—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes using down-hole drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1658—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the old pipe being ruptured prior to insertion of a new pipe
Abstract
A drilling apparatus, especially apparatus redrilling an existing hole, in the drilling head of which there is, as the first advancing part, a cylindrical unit (4) with a diameter substantially smaller than that of the hole or the tunnel which is to be redrilled, and dimensioned to fit inside the original hole or pipeline (3) and by means of which unit steering forces from the walls of the original hole (3) steer the whole drilling apparatus.
Description
The present invention relates to a kind of the method for claim 1 and according to the rig that is used for existing hole of drilling again or tunnel of claim 6.
Known old foul sewer system replacing method is that a new pipe is drawn in the old pipe.According to EP0455949 as can be known, a kind of rig utilizes this equipment when drawing in a new pipe in the old pipe, is old pipe to be smashed to pieces and chip is clamp-oned in the soil on every side.
The shortcoming of drawing in a new pipe is that the diameter of pipe obviously reduces, and in fact a new pipe can not be drawn in the old pipe of a slump.
The shortcoming of smashing old pipe to pieces and forcibly chip being imported the wall in tunnel is by sharp-pointed fragment adjacent tubes to be constituted danger, owing to these fragments of reason of stress can turn back in the hole, and the soil of smoother also have a prevention a new pipe is drawn in frictional force in the hole.
The method according to this invention and rig have been eliminated above-mentioned deficiency, and feature of the present invention is as described in the appended claims.
The invention has the advantages that pipe can overlap or not overlap, and can replace with the new pipe of same diameter or big external diameter.Thereby old pipe and the earth that may fall are not seen off from the hole and can be caused any impact to surrounding environment.Rig moves forward along with old pipe and can turn round under the situation of needs.
Below in conjunction with accompanying drawing the present invention is described further, wherein:
Fig. 1 is the sectional view of rig;
Fig. 2 is the direction control module; Fig. 3 is the packing of control module;
Fig. 4 is a kind of transverse sectional view of optional rig;
Fig. 5 a is the transverse sectional view along A-A line among Fig. 4;
Fig. 5 b is the transverse sectional view along B-B line among Fig. 4.
Fig. 1 represents a rig that has pneumatic striking mechanism.Compressed air flows along pipeline 2, will rotatablely move by this and pass to rig.Front end at control module is provided with a drill hammer holder 8, in order to produce hammering and to rotatablely move.Be broken pipeline 3, will have the rear end that the annular bit 6 of smashing blade 5 to pieces is fixed on drill hammer holder 8 with screw thread.It is very low and arrive the front side of annular bits 6 along passage 9 to drive compressed-air actuated pressure this moment of jump bit 1, and compressed air transmits rearward from pipeline 3 chip of smashing to pieces at this by managing 7.If pipeline 3 is blocked, then compressed air can not be fed forward.
Control module 4 is fixed on the drill bit holder 8 by screw thread, the direction that moves forward in order to keyhole equipment when needed.Be chosen to make the gap that it can be enough to insert in the pipeline 3 diameter of control module 4.If rig is towards the inwall skew of pipeline 3, just then control module 4 is caught tube wall, and consequent power just works to whole bench drill hole equipment, thereby makes it bit by bit near the pipeline center.Control module can freely rotate on the top of drill bit holder 8 and its fixing its phase ground drill jig seat center line that also allows with respect to the drill bit holder has swing slightly.
Fig. 2 has represented to have the control module 11 of smashing blade 5 to pieces.At least in this case, the front side that cleaning air of also wanting during smashing to pieces or water are delivered to cutter.For this reason, in part 12, opened a hole.A special valve must be set in drill bit holder 8, utilize this valve to control and clean air or water or arrive annular bit 6 or the blade place of the control module that arrival is used for smashing to pieces.Then, utilize force pipe or circuit, a sensor perhaps is set in drill bit holder 8 or control module 11 whether is in the state of smashing to pieces in order to survey control module 11 from this valve of aperture control.
Fig. 3 represents a control module, this unit is preferably with the packing 13 that a rubber is done, this packing is bearing on the removable pipe or is bearing on the respective wall in previous tunnel, and prevents to be transported to compressed air on the annular bit 6 or water therefrom and pass control module forward and spill.At initial position, when control module was not smashed to pieces, promptly old pipeline was not for collapsing and when not blocked, needing packing 13.
Direction control module 4 can also be a sleeve, and at this moment the drill bit holder is its top parts of turnover, in addition, at the head of drill bit holder the independent tip bit that is provided with that screw thread uses is arranged.The diameter of this tip bit is preferably very near the external diameter of sleeve.
Nature can replace annular bit 6 with the drill bit holder of respective length size, promptly use with a kind of bar and make annular bit and drill bit holder, and this drill bit holder only can be used for boring a kind of hole of size.
New pipe is drawn in the hole, and annular bit 6 and the connection of newly managing between 10 are the overlap joint connections 39 of band collar, are axially fixed on the annular bit 6 with ring property management in pipe 10 ends.Though the annular bit rotation, pipe does not change.
Can also replace smashing to pieces the round end drill lip with carr bit.In any case, can utilize different combinations that drill bit, drill bit holder and control module are linked together, so that obtain bigger interchangeability, various diameter, be convenient to produce and reduce formed refuse amount.
Fig. 4 has represented how pressure medium is transported to the example that front end is provided with the control module of smashing blade 5 to pieces, and the shell 29 of this control module is cylindrical, and has represented how medium is delivered to blade 5.Drill bit holder 14 has a centre bore 15, and this hole is used for medium transport to the valve module that is located at control module.On drill bit holder 14, be provided with a control drill bit 17 and round the annular bit 18 of this drill bit.Annular bit can be vertically moved slightly and be rotated in supporting and protecting pipe 16 by protection tube 16 supportings.Be provided with push-and-pull and connect between control drill bit 17 and annular bit, with can be from creeping into the top with drill bit holder 14 by drawing drill bit holder, pull out control drill bit 17 and The whole control unit and protection tube 16 and annular bit are retained in original position.
In according to illustrated state, control module is not smashed to pieces.Enter hole 15 and blocked through the compressed air of passage 34 arrival control module front ends.At this moment, air arrives packings 22 by passage 24, makes its crooked and seal of tube that will smashed to pieces.Equally, air arrives the control drill bit of broken pipe and the front side of annular bit by 20, and at this drilling cuttings is carried backward through passage 19.In this state, because the gap, the shell of control module can swing slightly on Supporting ring 23, and Supporting ring 23 is fixed on the column part 38, is provided with two passes 25 and 24 and can slide on drill bit holder 14 in the column part 38.The spring 27 that is located between flange 32 and 26 pushes away shell 29 forward.With bolt the head of flange 26 with drill bit holder 14 linked to each other.With a thick rubber ring 21 as the assistant spring device.Shell 29 is being controlled the moving direction of rig in the pipeline of being smashed to pieces, and can make rig on the pipeline direction minutely, turn at leisure and length by length.When the drill bit holder carried out hammering, control module did not carry out hammering, because the shell of control module 29 can antagonistic spring 27 moves the length of a stroke or more backward.Therefore control module does not remove the broken pipeline of smashing to pieces, can not creep into when the pipeline curve by a slow gradient yet.
When blade 5 in front ran into obstruction, control module switched to and creeps into.The shell that is fixed with part 32 and 35 on it move backward and with the passage 24,25 of parts 38 and rubber ring 21 till the sleeve 36 of pusher in spring 37 run into flange 26.In order to be delivered on the blade 5, begin to carry out the stroke of drill bit holder 14, and shell 29 is started working also.In this case, compressed air also the centre bore by drill bit holder 14 15 arrive passages 25 and pass this passage and arrive through the hole 28 of shell 29 and smash blade 5 to pieces.Can utilize compressed air outside housing, drilling cuttings delivered to passage 19 or shell 29 hole in valve 31 and flange 32 deliver to passage 37, have one between flange 26 and parts 38, to open to the hole of passage 37.Because the gap, passage 24 is not shut fully, and passage 20 is not shut yet.Packing 22 can work like this, when needed.At this moment, the drilling cuttings of the inboard by shell 29 is delivered to passage 19 fully.
Sectional view shown in Fig. 5 a has represented that how rotatablely moving of drill bit holder 14 being delivered to shell 29 from the flange 26 that is fixed on drill bit holder front also rotates it.Be provided with a flange 35 at shell 29, three road deep trouths are arranged on it, flange 26 can be done longitudinal sliding motion therein when transmitting rotation.
Fig. 5 b has represented how drill bit holder 14 and control drill bit 17 are outwards pulled out when annular bit 18 is in resting position.In the control drill bit, be provided with vat along three directions; when being located at these grooves on the cylinder; even placed known, as to be used to control the drill bit direction cylinder that turns on three circumferential positions in protection tube 16 ends, also can drill bit have been pulled out at these vat places.
Utilize this rig 12 just it can be drawn in the tunnel when pushing from the tunnel being fixed on new pipe on the annular bit with one.If pipe is unsuitable for drawing, also can form a new pipeline by it is pushed from the tunnel face.
Utilize this method, can utilize a plastic pipe to replace renewable pipe even, this is because new hole has kept smooth and without any the cusped edge that damages frosting.Can realize direction control by removable pipe, for example in use utilize the roller that is fixed on the control module and move along the inner surface of replaceable pipe.Can utilize a clearing apparatus, conveying worm or along drilling direction or backward pumping transport drilling cuttings.The pipeline that adopt to separate can be avoided the danger on the surface that any damage retubes, and is installed on described pipeline in the hole and therefrom drilling cuttings is transported.Utilize this pipeline also can transport drilling cuttings forward.
Claims (12)
1. be used to upgrade underground, especially the method for the pipeline of foul sewer system (3), according to this method, utilize a pipe (10 that in pipeline (3), moves forward and will change, 16) be contained in the replacing that rig in the hole is finished pipeline, it is characterized in that, rig obtains its direction control quality by the inner surface of the pipeline of changing, get out one and be used for new pipeline (10,16) corresponding hole utilizes rig that removable pipeline (3) is smashed to pieces and the drilling cuttings that is produced is outwards transported from pipeline.
2. the method for claim 1 is characterized in that, the annular bit in rig (6) rotation and utilization are pullled overlap joint connection (39) and pullled the replacing pipeline (10,16) that does not rotate.
3. as claim 1 and 2 described methods, it is characterized in that, perhaps at drilling direction or by an independent pipe drilling cuttings is transported backward.
4. as the described method of one of claim 1 to 3, it is characterized in that with the material in the replaceable pipe of blade (5) drilling (3) that is fixed on the parts (11,29), described parts (11,29) are used for the direction of keyhole equipment.
5. as the described method of one of claim 1 to 4, it is characterized in that because the obstruction in the replaceable pipe (3), relatively drill bit holder (14) makes blade (5) just fall back and begin to the position of a back to carry out drilling to described obstruction with blade (5).
6. as the described method of one of claim 1 to 5, it is characterized in that blade (5) is just be backwards to the passage that cleaning water arrival blade (5) has been opened in the position of a back.
7. be used to implement the rig of method according to claim 1, it is characterized in that, be provided with a control module (4 in this equipment front, 29), after this unit, be provided with the annular bit (6,18) of a diameter, utilize this drill bit to remove removable pipeline by drilling greater than control module, annular bit has and is used for the passage (7,19) drilling cuttings carried backward by drill bit.
8. equipment as claimed in claim 7; it is characterized in that having the control module (4,11 of different-diameter at the rig front end; 29) can change, and can pass annular bit (18) and protection tube (16) pulls down control module and drill bit holder (14) from the drilling head.
9. as claim 7 or 8 described methods, it is characterized in that the front surface of control module (11) is provided with smashs blade (5) to pieces.
10. as the described method of one of claim 7 to 9, it is characterized in that, the pressure medium that is used to transport drilling cuttings can be guided to the front side of control module (11,29).
11. as the described method of one of claim 7 to 10, it is characterized in that, a packing (13,22) be fixed on the front portion of control module (11,29), in order to prevent that cleaning air escapes into the pipeline that is heavily bored.
12., it is characterized in that as the described method of one of claim 7 to 11, also be provided with a valve, compressed air can be guided to the front side of creeping into control module (11,29) by this valve.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI940796A FI940796A0 (en) | 1994-02-21 | 1994-02-21 | Anordning Foer uppborrning av tunnel |
| FI940796 | 1994-02-21 | ||
| FI941154 | 1994-03-11 | ||
| FI941154A FI941154A0 (en) | 1994-02-21 | 1994-03-11 | Anordning Foer uppborrning av en tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1144549A true CN1144549A (en) | 1997-03-05 |
Family
ID=26159682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95192189A Pending CN1144549A (en) | 1994-02-21 | 1995-02-21 | Apparatus for drilling open tunnel and drilling method |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0746665A1 (en) |
| JP (1) | JPH10500753A (en) |
| KR (1) | KR970701299A (en) |
| CN (1) | CN1144549A (en) |
| AU (1) | AU1709795A (en) |
| CA (1) | CA2183870A1 (en) |
| CZ (1) | CZ247896A3 (en) |
| FI (1) | FI941154A0 (en) |
| PL (1) | PL177283B1 (en) |
| WO (1) | WO1995022677A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464769A (en) * | 2021-07-06 | 2021-10-01 | 刘春艳 | A modular clearance repairing machine for exhaust emission pipeline |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5482404A (en) | 1993-07-27 | 1996-01-09 | Tenbusch, Ii; Albert A. | Underground pipe replacement technique |
| FI954309A (en) | 1995-09-14 | 1997-03-15 | Rd Trenchless Ltd Oy | Drilling device and drilling method |
| US7673706B2 (en) | 2006-03-30 | 2010-03-09 | Sandvik Intellectual Property Ab | Down-the-hole hammer with pilot and method of enlarging a hole |
| DE102010004672A1 (en) * | 2009-09-22 | 2011-03-24 | Max Streicher Gmbh & Co. Kg Aa | Device for supporting rehabilitation of pipeline of subsoil drain in dump body, has inner drilling device including coordinate determining device for determining three-dimensional coordinates of drilling device in pipelines or on surface |
| CA2839804A1 (en) * | 2011-08-02 | 2013-02-07 | Plumettaz Holding Sa | Drilling tool for laying a tube in the ground |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1393107A (en) * | 1964-05-13 | 1965-03-19 | Sandvikens Jernverks Ab | Drill foil |
| GB2123111A (en) * | 1982-06-21 | 1984-01-25 | British Gas Corp | Repairing mains |
| DE3533995A1 (en) * | 1985-09-24 | 1987-04-16 | Tracto Technik | RAMM DRILLING DEVICE WITH IMPACT PISTON |
| DE3910354C1 (en) * | 1989-03-30 | 1990-06-28 | Diga - Die Gasheizung Gmbh, 4300 Essen, De | |
| NO170101C (en) * | 1990-06-07 | 1993-04-05 | Aker Entreprenoer As | DEVICE AND PROCEDURE FOR USE IN TUNNEL DRILLING. |
-
1994
- 1994-03-11 FI FI941154A patent/FI941154A0/en not_active Application Discontinuation
-
1995
- 1995-02-21 PL PL95315944A patent/PL177283B1/en unknown
- 1995-02-21 WO PCT/FI1995/000086 patent/WO1995022677A1/en not_active Application Discontinuation
- 1995-02-21 CN CN95192189A patent/CN1144549A/en active Pending
- 1995-02-21 JP JP7521622A patent/JPH10500753A/en active Pending
- 1995-02-21 EP EP95908970A patent/EP0746665A1/en not_active Withdrawn
- 1995-02-21 CA CA002183870A patent/CA2183870A1/en not_active Abandoned
- 1995-02-21 AU AU17097/95A patent/AU1709795A/en not_active Abandoned
- 1995-02-21 KR KR1019960704567A patent/KR970701299A/en not_active Application Discontinuation
- 1995-02-21 CZ CZ962478A patent/CZ247896A3/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464769A (en) * | 2021-07-06 | 2021-10-01 | 刘春艳 | A modular clearance repairing machine for exhaust emission pipeline |
| CN113464769B (en) * | 2021-07-06 | 2023-04-21 | 仙桃绿色东方环保发电有限公司 | Modularized cleaning and repairing machine for exhaust emission pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| PL177283B1 (en) | 1999-10-29 |
| WO1995022677A1 (en) | 1995-08-24 |
| KR970701299A (en) | 1997-03-17 |
| JPH10500753A (en) | 1998-01-20 |
| EP0746665A1 (en) | 1996-12-11 |
| CZ247896A3 (en) | 1997-07-16 |
| PL315944A1 (en) | 1996-12-09 |
| FI941154A0 (en) | 1994-03-11 |
| CA2183870A1 (en) | 1995-08-24 |
| AU1709795A (en) | 1995-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |