CN2307905Y - Drill and enlarging hole device - Google Patents
Drill and enlarging hole device Download PDFInfo
- Publication number
- CN2307905Y CN2307905Y CN 97239902 CN97239902U CN2307905Y CN 2307905 Y CN2307905 Y CN 2307905Y CN 97239902 CN97239902 CN 97239902 CN 97239902 U CN97239902 U CN 97239902U CN 2307905 Y CN2307905 Y CN 2307905Y
- Authority
- CN
- China
- Prior art keywords
- hollow
- drill
- jet
- tugger
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a drilling and enlarging hole device for underground trenchless technology underground pipelines laying, comprising main drill, a mud pump, a location and navigation detector, circulating drilling fluid, a rotary seat, a quick connector, and a hollow drilling rod which is connected with a hollow rotating spray drilling bit with a skew mouth or a hollow enlarging hole tugger. The other end of the rotating spray drilling bit is connected with a pull protector. A drilling bit cavity is provided with a filtering net, and the end part of the drilling bit is connected with a spray mouth with a skew mouth, a baffle plate, and an inclined supporting plate. The hollow enlarging hole tugger is connected with a pipeline coupler. A spray mouth and alloy ribs are arranged on the tugger. The utility model has low cost; engineering cost is only a second of manual excavation; the drilling and enlarging hole device is suitable for laying pipelines under rivers and buildings.
Description
The utility model relates to a kind of Drill and enlarging hole device, when particularly laying underground villous themeda line, and non-excavation weak soil layer, the Drill and enlarging hole device of use.
The non-excavation drilling well of prior art or underground villous themeda wire routing equipment, mainly contain three types, it is motor-driven deflecting bit at the bottom of the hole, hydraulic pressure wheel drive drill bit at the bottom of the hole, way-type drilling unit deflecting bit at the bottom of the hole, above-mentioned three kinds of drilling tools are mainly used in the hard rock and creep into, and its mode of creeping into is to realize the boring purpose by drill bit rotation and axial pressure.It is wayward that their weak point is to creep into deflecting, all the more so when especially level is crept into.The diameter of underground villous themeda line can not be excessive, the excessive increase rig power that needs, if it is not long high apart from creeping into drilling efficiency, increase drilling cost, promote to get up to be restricted, be when in the weak soil layer, creeping on the other hand,, often damage underground existing villous themeda line or other embedded objects because its adopts axial pressure rotary drilling.The villous themeda line dilatory force of above-mentioned brill reaming equipment is less simultaneously, should not draw larger-diameter villous themeda line.And this equipment is more expensive on price.
Task of the present utility model provides a kind of weak soil layer non-excavation underground pipeline and lays the hollow rotary-jet drill bit that hole drill advances.
Another purpose of the present utility model provides the supporting reaming tugger of a kind of and hollow rotary-jet drill bit.
The technical solution of the utility model task is achieved in that this Drill and enlarging hole device comprises head rig, slush pump, the location navigation measurement and control instrument, liquid is bored in circulation, swivel base, quick connector, hollow drill etc., improvements of the present utility model be end setting of the hollow rotary-jet drill bit of wapperijaw and drill bit outer wall connect the wapperijaw jet blower arranged, baffle plate, oblique supporting plate, in the drill bit postmedian cavity screen pack is set, the other end connects bit protector, bit protector is provided with the hollow drill coupling head, the wapperijaw jet blower communicates with the drill bit inner chamber, and hard alloy blocks is installed on the bit protector; One end of said hollow reaming tugger is connected with hollow drill by the hollow drill coupling head, and the other end is connected with villous themeda line coupling, and its hollow reaming tugger is provided with the jet blower that communicates with inner chamber more than at least 10, and its surface soldered has spiral alloy rib.
The utility model compared with prior art owing to adopt high pressure fine jet wapperijaw jet blower and axial compression rotation principle of combining, carries out towards play and rotary drilling the weak soil layer simultaneously, and therefore, rate of penetration improves greatly.Simultaneously, this device is provided with location navigation detection technology, at any time can grasp, change drill bit creep into the orientation and discovery has or not the underground villous themeda line of burying underground, for laying underground cable, optical cable, coal gas, natural gas, water supply and draining villous themeda road with need the river crossing, building, highway, railway, city wall, dam etc. are hand excavation and the inaccessiable technology of additive method especially, uses the utility model to compare with similar external product, and installation cost only is an import equipment
Villous themeda line excavation lays expense than the saving of hand excavation's engineering cost
Than horizontal drill saving
Engineering time only is that the hand excavation is more than 10 times; it is low to have cost; the efficient height; the protection urban environment; substantially do not destroy the road surface, can prevent the additional settlement of the road that causes because of excavation, yet characteristics such as obstruction not; especially underground villous themeda line is needed the river crossing, highly difficult construction sites such as building, highway, railway, city wall more have positive effect.
Technical data of the present utility model is as follows:
1. maximum directed laying depth≤10 meters.
2. once lay villous themeda line length≤800 meter farthest.
3. maximum is laid villous themeda linear diameter≤600 millimeter.
4. the villous themeda line laterally lays error ± 50 millimeter.
5. vertical error ± 50～100 millimeter laid of villous themeda line.
6. but villous themeda line straight-run also can be laid by the customer requirements curve.
Below in conjunction with accompanying drawing content of the present utility model is described further:
Fig. 1 is the hollow rotary-jet drill bit structure of a utility model wapperijaw sectional view;
Fig. 2 is wapperijaw jet blower, baffle plate, the oblique support board structure sectional view of Fig. 1;
Fig. 3 is the bit protector structure cross-sectional schematic of Fig. 1;
Fig. 4 is hollow reaming tugger structural representation;
Fig. 5 is the cross sectional representation of Fig. 4.
Accompanying drawing is a specific embodiment of the present utility model.
With reference to Fig. 1; one end setting of the hollow rotary-jet drill bit 3 of wapperijaw and drill bit outer wall connect wapperijaw jet blower 5, baffle plate 7, oblique supporting plate 6; in the drill bit postmedian cavity screen pack 4 is set; the other end connects bit protector 2; bit protector 2 is provided with hollow drill coupling head 1; wapperijaw jet blower 5 communicates with the drill bit inner chamber, and hard alloy blocks 12 is installed on the bit protector 2.Shown in Figure 2, the end of the hollow rotary-jet drill bit 3 of wapperijaw is cut away approximately
About, two blocks of oblique supporting plates 6 of bottom welding, baffle plate 7 is welded as a whole with drill bit inwall and oblique supporting plate 6, and wapperijaw jet blower 5 is installed above baffle plate 7, and wapperijaw jet blower 5 communicates with the inner chamber of hollow rotary-jet drill bit 3.
Shown in Figure 3 is bit protector, and a plurality of hard alloy blocks 12 are installed in the above, in order to strengthen the intensity of protector, does not also have the intensive aspect 13 of step, establishes hollow drill on the intensive aspect 13 and connects 1.
Fig. 4 is hollow reaming tugger 8 structural representations, its end is connected with hollow drill coupling head 1, the other end is connected with villous themeda line coupling 10, and its hollow reaming tugger 8 is provided with the jet blower 11 that at least 10 above different directions communicate with inner chamber, and its surface soldered has spiral alloy rib 9.
Above-mentioned oblique supporting plate 6 shown in Figure 1 is 25～45 degree with the hollow axis angle that changes jet bit 3 of executing of wapperijaw, and preferred angle is 30～40 degree, and optimum angle is 30 degree.
Construction technology of the present utility model is summarized as follows: 1. at first carry out prospective design according to user's requirement, survey by design scheme and lay about the villous themeda line 10 meters and have or not old villous themeda line with interior; 2. install the rig position, angle is crept in good perforate; 3. by the design route punching of spudding in, adopt the hollow rotary-jet drill bit 3 of wapperijaw to creep into this moment, and the brill liquid that will circulate simultaneously injects in the hollow drill by slush pump, to circulate by hollow drill and to bore liquid and pass to and send into wapperijaw jet blower 5 after the hollow rotary-jet drill bit 3 of wapperijaw filters through filter screens 4, the thin jet of inject high pressure washes away weak soil, when level was crept into, the hollow rotary-jet drill bit 3 of wapperijaw not only sprayed but also rotate and creep under the axial pressure effect.When direction or orientation deflecting need be adjusted in villous themeda line hole, the dependence hollow rotary-jet drill bit 3 jet drilling liquid of wapperijaw also only advance under the axial pressure effect of head rig and do not rotate, at this moment, the direction, the orientation that provide with the location navigation survey meter are finished with the high pressure fine jet and are washed away the weak soil task, so, the hollow rotary-jet drill bit 3 of wapperijaw can make progress, downwards, to the right, advance until the destination left.At this moment the hollow rotary-jet drill bit 3 of wapperijaw has been finished drill tasks, den bohrkopf abbauen; 4. after the hollow rotary-jet drill bit 3 of wapperijaw unloads, install reaming tugger 8 from the other end in hole, and the villous themeda that will lay simultaneously or line are connected on the villous themeda line coupling 10 on the hollow reaming tugger 8, head rig drives dilatory villous themeda or the line that lays of hollow reaming tugger 8 rotations, at this moment hollow reaming tugger 8 rotation reamings, and pipeline coupling 10 does not rotate, and has been fixedly to lay villous themeda or line task.The villous themeda line that is laid draws a joint through head rig, connects a joint again, and until pulling design length, the diameter of hollow reaming tugger 8 is greater than the diameter of villous themeda line coupling 10.It is after wapperijaw jet blower 5 or jet blower 11 ejections that liquid is bored in above-mentioned said circulation; outer wall by hollow rotary-jet drill bit 3 of wapperijaw or hollow reaming tugger 8 returns mud pit again; said bit protector 2 is in the process of creeping into; by its rotation and cutting; make drill bit reduce wear in drilling process, form one deck retaining wall.Swivel base is used to adjust drill bit direction or orientation, and fast connector is used to connect hollow drill.
Claims (6)
1. Drill and enlarging hole device; comprise head rig; slush pump; the location navigation survey meter; liquid is bored in circulation; swivel base; quick connector; hollow drill; it is characterized in that also comprising be connected with hollow drill hollow rotary-jet drill bit of wapperijaw (3) or hollow reaming tugger (8) arranged; one end setting of the hollow rotary-jet drill bit of said wapperijaw (3) and drill bit outer wall connect wapperijaw jet blower (5); baffle plate (7); oblique supporting plate (6); screen pack (4) is set in the cavities in the drill bit; the other end connects bit protector (2); bit protector (2) is provided with hollow drill coupling head (1); wapperijaw jet blower (5) communicates with the drill bit inner chamber; hard alloy blocks (12) is installed on the bit protector (2); one end of said hollow reaming tugger (8) is connected with hollow drill by hollow drill coupling head (1); the other end is connected with villous themeda line coupling (10); its hollow reaming tugger (8) is provided with the jet blower (11) that communicates with inner chamber more than at least 10, and its surface soldered has spiral alloy rib (9).
2. Drill and enlarging hole device according to claim 1, the axis angle that it is characterized in that oblique supporting plate and hollow rotary-jet drill bit are 25～45 degree.
3. Drill and enlarging hole device according to claim 1 and 2, the preferred angle of axis that it is characterized in that oblique supporting plate and hollow rotary-jet drill bit are 30～40 degree.
4. Drill and enlarging hole device according to claim 1 and 2, the axis optimum angle that it is characterized in that oblique supporting plate and hollow rotary-jet drill bit are 35 degree.
5. Drill and enlarging hole device according to claim 1 is characterized in that being distributed on the hollow reaming tugger jet blower of rare 10 above different directions.
6. drill bit Counterboring apparatus according to claim 1, the diameter that it is characterized in that the reaming tugger is greater than villous themeda line coupling diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239902 CN2307905Y (en) | 1997-07-21 | 1997-07-21 | Drill and enlarging hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97239902 CN2307905Y (en) | 1997-07-21 | 1997-07-21 | Drill and enlarging hole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2307905Y true CN2307905Y (en) | 1999-02-17 |
Family
ID=33949795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97239902 Expired - Fee Related CN2307905Y (en) | 1997-07-21 | 1997-07-21 | Drill and enlarging hole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2307905Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505918A (en) * | 2011-11-09 | 2012-06-20 | 西南石油大学 | Rotary dragging reaming device |
| CN109322624A (en) * | 2018-10-29 | 2019-02-12 | 武大巨成结构股份有限公司 | A kind of anchor hole bottom hole Counterboring apparatus |
| CN110535072A (en) * | 2019-10-10 | 2019-12-03 | 宋红浩 | No-dig technique electric power cable lays pipe lining device and electric power cable laying method |
-
1997
- 1997-07-21 CN CN 97239902 patent/CN2307905Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505918A (en) * | 2011-11-09 | 2012-06-20 | 西南石油大学 | Rotary dragging reaming device |
| CN109322624A (en) * | 2018-10-29 | 2019-02-12 | 武大巨成结构股份有限公司 | A kind of anchor hole bottom hole Counterboring apparatus |
| CN109322624B (en) * | 2018-10-29 | 2022-08-26 | 武大巨成结构股份有限公司 | Anchoring hole bottom reaming device |
| CN110535072A (en) * | 2019-10-10 | 2019-12-03 | 宋红浩 | No-dig technique electric power cable lays pipe lining device and electric power cable laying method |
| CN110535072B (en) * | 2019-10-10 | 2021-02-09 | 宋红浩 | Trenchless power cable laying pipe penetrating device and power cable laying method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4399877A (en) | Continuous borehole telemetry system and method | |
| CA2493378A1 (en) | Wellbore plug system and method | |
| CN101737005B (en) | Drilling tool for sleeving anchor cable and construction method for sleeving anchor cable with simultaneous casing | |
| CN107687176B (en) | Polyethylene pipe non-excavation construction method | |
| US20030070841A1 (en) | Shallow depth, coiled tubing horizontal drilling system | |
| CN112984213A (en) | Trenchless directional drilling pipe laying construction method | |
| CN1265062C (en) | Construction for making piles and tools | |
| CN108361466A (en) | A kind of municipal pipeline maintenance construction technique | |
| CN2307905Y (en) | Drill and enlarging hole device | |
| CN112901074A (en) | Rock-socketed drilling pore-forming process of marine large-diameter inclined pile rotary excavator | |
| CN101055047A (en) | A process for horizontal directional drill passing through and tampering casing for separating gravel | |
| CN115653497A (en) | Laying construction process for horizontal directional drill crossing pipeline | |
| CN208310757U (en) | A kind of rich water weak soil, the artificial bore detecting device of thin silt ultra-deep pipeline | |
| CN103643674B (en) | Erect column pile construction method under geologic condition of pebble bed sandstone | |
| US8794352B2 (en) | Drilling fluid recovery when drilling under an obstacle or water body | |
| CN215673900U (en) | Bidirectional non-excavation directional drilling pipe laying structure | |
| CN2205438Y (en) | Device for pipe curve drilling passing through stratum | |
| CN2591207Y (en) | Small size underground cross hole drilling machine | |
| CN215673896U (en) | Unidirectional non-excavation directional drilling pipe laying structure | |
| JPH10317883A (en) | Method of ultrasmall bore drilling construction | |
| CN216077060U (en) | Hole cleaner device used after drilling of non-excavation underground pipeline | |
| CN219864861U (en) | Horizontal directional drilling construction structure under existing road in dead weight collapsible loess area | |
| CN215672048U (en) | Non-excavation horizontal directional drilling pipe laying construction device | |
| CN213450242U (en) | Walking type horizontal directional drilling machine | |
| CN218954205U (en) | Pipe jacking construction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |