CN207063908U - A kind of followed by pipe drilling apparatus - Google Patents
A kind of followed by pipe drilling apparatus Download PDFInfo
- Publication number
- CN207063908U CN207063908U CN201720018389.1U CN201720018389U CN207063908U CN 207063908 U CN207063908 U CN 207063908U CN 201720018389 U CN201720018389 U CN 201720018389U CN 207063908 U CN207063908 U CN 207063908U
- Authority
- CN
- China
- Prior art keywords
- pipe
- sleeve pipe
- drilling
- joint
- knife rest
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of followed by pipe drilling apparatus, including pipe bit, interior drilling mechanism and power sub；Pipe bit is the pipeline of inner hollow, and the bottom of pipe bit is provided with hard alloy, and pipe bit is connected to sleeve pipe；Sleeve pipe is the pipeline of inner hollow, and sleeve pipe is provided at both ends with hickey；Sleeve pipe is covered in the outside of interior drilling mechanism, interior drilling mechanism includes pipe internal cutting device, pipe internal cutting device includes knife rest, hard alloy is welded with knife rest, knife rest is connected to drilling rod, drilling rod inner hollow, cavity inside drilling rod forms muddy water passage, the chamber formed between the outer wall and drilling rod inwall of muddy water pipeline is drainage channel, and drainage channel is connected with muddy water passage by discharge outlet, and discharge outlet is arranged on knife rest；Drilling rod is connected to power sub, and power sub is additionally coupled to sleeve pipe.The utility model solves to be used in all kinds of rig drilling constructions in loose yielding stratum, caused by cave in, the problems such as altering hole.
Description
Technical field
Dealing with foundation field is the utility model is related to, is specifically a kind of followed by pipe drilling apparatus.
Background technology
In building engineering construction, using all kinds of various anchor poles of rig drilling construction (rope), micro- in loose yielding stratum
Type stake etc. is very common.But the pore-forming in this stratum, because the stability of hole wall is poor, it may occur that cave in, alter hole
The problems such as cause subsequent handling not carry out.
Utility model content
The purpose of this utility model is to provide a kind of followed by pipe drilling apparatus, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of followed by pipe drilling apparatus, including pipe bit, interior drilling mechanism and power sub；Described sleeve pipe drill bit is interior
The hollow pipeline in portion, the bottom of pipe bit are provided with hard alloy, and described sleeve pipe drill bit is connected to sleeve pipe；Sleeve pipe is in inside
Empty pipeline, sleeve pipe are provided at both ends with hickey；Sleeve pipe covers includes pipe inscribe in the outside of interior drilling mechanism, interior drilling mechanism
Device is cut, the pipe internal cutting device includes knife rest, hard alloy is welded with the knife rest, knife rest is connected to drilling rod, described
Drilling rod inner hollow, the cavity inside drilling rod form muddy water passage, formed between the outer wall and drilling rod inwall of the muddy water pipeline
Chamber be drainage channel, drainage channel is connected with muddy water passage by discharge outlet, and the discharge outlet is arranged on knife rest；It is described
Drilling rod is connected to power sub, and power sub is additionally coupled to sleeve pipe.
As the utility model further scheme：Also include centering structure, the centering structure includes centering rack, right
The both ends of middle frame are respectively arranged with universal wheel, and universal wheel is slidably connected with internal surface of sleeve pipe respectively, and centering rack is connected to drilling rod.
As the utility model further scheme：The hard alloy is welded on the bottom of pipe bit.
As the utility model further scheme：Described sleeve pipe drill end is provided with joint, is provided with joint
External screw thread, joint are connected to sleeve pipe, are provided with the internal thread corresponding with external screw thread in described sleeve pipe, joint by internal thread and
It is externally threaded to be snap-fit attachment to sleeve pipe.
As the utility model further scheme：The knife rest has conical structure, the hard alloy welding
On the circular cone body side surface of knife rest.
As the utility model further scheme：The drilling rod top is provided with preceding tool joint, preceding tool joint
On be provided with external screw thread, preceding tool joint is connected to rear tool joint, it is described after tool joint be fixedly mounted in power sub,
Casing joint is provided with the outside of power sub, internal thread, the pore size and set of casing joint are provided with described sleeve pipe joint
The pore size of pipe is consistent, and unit head joint is additionally provided with power sub.
Compared with prior art, the beneficial effects of the utility model are：
The utility model provides one kind can thoroughly solve the problems such as hole wall collapse, alter hole followed by pipe drilling apparatus.Solution
Determine in using all kinds of rig drilling constructions in loose yielding stratum, because the stability of hole wall is poor, caused to cave in,
The problems such as altering hole.
Brief description of the drawings
Fig. 1 is followed by the structural representation of pipe drilling apparatus.
Fig. 2 be followed by pipe drilling apparatus in interior drilling mechanism structural representation.
Fig. 3 is followed by the structural representation of pipe drilling apparatus middle sleeve drill bit.
Fig. 4 is Fig. 3 left view.
Fig. 5 be followed by pipe drilling apparatus in power sub structural representation.
In figure：1- pipe bits, 11- hard alloy, 12- pipe bit joints, 13- sleeve pipes, 21- pipe internal cutting devices,
211- knife rests, 212- knife rest hard alloy, 221- muddy water passages, tool joint before 222-, 223- discharge outlet, 225- drilling rods,
231- centering racks, 232- universal wheels, tool joint after 31-, 32- casing joints, 33- unit head joints.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~5, in the utility model embodiment, a kind of followed by pipe drilling apparatus, including pipe bit 1, interior brill
Enter mechanism, centering structure and power sub；Described sleeve pipe drill bit 1 is the pipeline of inner hollow, and the bottom of pipe bit 1 is provided with
Hard alloy 11, hard alloy 11 are welded on the bottom of pipe bit 1, and hard alloy 11 is used in drilling process protection sleeve pipe not
It is abraded；The top of described sleeve pipe drill bit 1 is provided with joint 12, and external screw thread is provided with joint 12, and joint 12 is connected to sleeve pipe 13,
The internal thread corresponding with external screw thread is provided with described sleeve pipe 13, the joint 12 is connected by internal thread and externally threaded cooperation
It is connected to sleeve pipe 13；Described sleeve pipe 13 is the certain hollow steel pipe in aperture, and sleeve pipe 13 is provided at both ends with hickey, hickey
Sleeve pipe and sleeve pipe, the connection of sleeve pipe and other associated components are easy in setting；The aperture of the joint 12 of described sleeve pipe drill bit 1 and sleeve pipe
13 apertures are consistent；Described sleeve pipe drill bit 1 drives backspin to turn cuts formation in rig power so that the sleeve pipe 13 being attached thereto can
With into stratum；
For 13 sets of described sleeve pipe in the outside of interior drilling mechanism, interior drilling mechanism includes pipe internal cutting device 21, in the pipe
Cutter device 21 includes knife rest 211, and knife rest 211 has conical structure, and knife rest 211 is used for cutting the beaer of soil layer in pipe,
Hard alloy 212 is welded with the knife rest 211, hard alloy 212 is welded on the circular cone body side surface of knife rest 211, and hard closes
Gold 212 is used to protect knife rest 211 from abrasion；Knife rest 211 is connected to drilling rod 225, and the top of drilling rod 225 is provided with preceding tool joint
222, external screw thread is provided with preceding tool joint 222；The inner hollow of drilling rod 225, the cavity inside drilling rod 225 form muddy water
Passage 221, muddy water passage 221 be used for deslagging mud by or clear water disengaging；The outer wall of the muddy water pipeline 228 and drilling rod 225
The chamber formed between inwall is drainage channel, and the drainage channel is connected with muddy water passage 221 by discharge outlet 223, described
Discharge outlet 223 is arranged on knife rest 211；Drainage channel and muddy water passage 221 form slagging structure；Interior drilling mechanism moves in rig
Power drives the ground or soil layer in lower rotation Casing-Cutting 13, and in the presence of mud or clear water, by drilling cuttings via sleeve pipe 13
Inside is discharged to outside drilling hole；
External screw thread is provided with the preceding tool joint 222, preceding tool joint 222 is connected to rear tool joint 31, described
Tool joint 31 is fixedly mounted in power sub afterwards, and casing joint 32, described sleeve pipe joint 32 are provided with the outside of power sub
On be provided with internal thread, the pore size of casing joint 32 is consistent with the pore size of sleeve pipe 13, casing joint 32 be used for
Sleeve pipe 13 connects；Unit head joint 33 is additionally provided with power sub；
The centering structure includes centering rack 231 and universal wheel 232, and the both ends of centering rack 231 are respectively arranged with universal wheel
232, universal wheel 232 is slidably connected with the inwall of sleeve pipe 13 respectively, and centering rack 231 is connected to drilling rod 225, and centering structure is used to ensure
Pipe internal cutting device 21 and slagging structure are placed in the middle, so as to reduce ablation destruction of the said structure to sleeve pipe.
Operation principle of the present utility model is：
Pipe bit 1 is threadedly coupled by joint 12 with the sleeve pipe 13 of same diameter, sleeve pipe 13 and the sleeve pipe of power sub
After joint 32 is threadedly coupled, using rig powered rotation and pipe bit 1 is promoted to creep into the earth formation, so that sleeve pipe 13 is crept into
To the position of setting, when reaching good ground or not needing the stratum of sleeve pipe retaining wall, stop creeping into and removing sleeve pipe 13；Sleeve pipe 13
In drilling process, due to frictional force inside and outside sleeve pipe 13, when creeping into difficult, using interior drilling mechanism, by soil in pipe
Or crept into again after the taking-up such as landwaste；After interior drilling mechanism is threadedly coupled by preceding tool joint 222 with rear tool joint 31, utilize
The powered drilling rod 225 of rig, drilling rod 225 pass through the pump of muddy water passage 221 with the drilling of movable knife rack 221 to setting position, used time
Enter mud or boring mud is discharged to earth's surface by water；Interior drilling mechanism can still continue to creep into behind the bottom by sleeve pipe, Zhi Daoshe
After the depth of meter, after releasing internal drilling structure.Into subsequent construction link, subsequent construction link refers to the work carried out after pore-forming
Sequence, such as rockbolt installation, anchor cable installation and the installation of other framework materials etc., slip casting, concrete perfusion etc., subsequent construction link
After the completion of, sleeve pipe is taken out using rig power.Using followed by pipe drilling apparatus pore-forming can be vertical hole or tiltedly
Hole.Such as pattern foundation pit supporting structure anchor cable pore-forming, resisting buoyancy of foundation anchor pole etc..
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. a kind of followed by pipe drilling apparatus, it is characterised in that including pipe bit (1), interior drilling mechanism and power sub；It is described
Pipe bit (1) is the pipeline of inner hollow, and the bottom of pipe bit (1) is provided with hard alloy (11), described sleeve pipe drill bit
(1) it is connected to sleeve pipe (13)；Sleeve pipe (13) is the pipeline of inner hollow, and sleeve pipe (13) is provided at both ends with hickey；Sleeve pipe
(13) cover includes pipe internal cutting device (21), the pipe internal cutting device (21) in the outside of interior drilling mechanism, interior drilling mechanism
Including knife rest (211), hard alloy (212) is welded with the knife rest (211), knife rest (211) is connected to drilling rod (225), institute
Drilling rod (225) inner hollow is stated, the internal cavity of drilling rod (225) forms muddy water passage (221), the muddy water pipeline (228)
The chamber formed between outer wall and drilling rod (225) inwall is drainage channel, and drainage channel and muddy water passage (221) pass through discharge outlet
(223) connect, the discharge outlet (223) is arranged on knife rest (211)；The drilling rod (225) is connected to power sub, and power connects
Head is additionally coupled to sleeve pipe (13).
2. according to claim 1 followed by pipe drilling apparatus, it is characterised in that also including centering structure, the centering knot
Structure includes centering rack (231), and the both ends of centering rack (231) are respectively arranged with universal wheel (232), universal wheel (232) respectively with set
Pipe (13) inwall is slidably connected, and centering rack (231) is connected to drilling rod (225).
3. according to claim 2 followed by pipe drilling apparatus, it is characterised in that the hard alloy (11) is welded on sleeve pipe
The bottom of drill bit (1).
4. according to claim 3 followed by pipe drilling apparatus, it is characterised in that described sleeve pipe drill bit (1) top is provided with
Joint (12), be provided with external screw thread on joint (12), joint (12) is connected to sleeve pipe (13), be provided with described sleeve pipe (13) with
The corresponding internal thread of external screw thread, joint (12) is by internal thread and externally threaded is snap-fit attachment to sleeve pipe (13).
5. according to claim 4 followed by pipe drilling apparatus, it is characterised in that the knife rest (211) has cone knot
Structure, the knife rest hard alloy (212) are welded on the circular cone body side surface of knife rest (211).
6. according to claim 5 followed by pipe drilling apparatus, it is characterised in that before drilling rod (225) top is provided with
Tool joint (222), external screw thread is provided with preceding tool joint (222), preceding tool joint (222) is connected to rear tool joint
(31), the rear tool joint (31) is fixedly mounted in power sub, and casing joint (32), institute are provided with the outside of power sub
State and internal thread is provided with casing joint (32), the pore size phase one of the pore size and sleeve pipe (13) of casing joint (32)
Cause, unit head joint (33) is additionally provided with power sub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018389.1U CN207063908U (en) | 2017-01-05 | 2017-01-05 | A kind of followed by pipe drilling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018389.1U CN207063908U (en) | 2017-01-05 | 2017-01-05 | A kind of followed by pipe drilling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207063908U true CN207063908U (en) | 2018-03-02 |
Family
ID=61500410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720018389.1U Expired - Fee Related CN207063908U (en) | 2017-01-05 | 2017-01-05 | A kind of followed by pipe drilling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207063908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482522A (en) * | 2021-08-09 | 2021-10-08 | 清远中科振宇机械有限公司 | Down-the-hole hammer pipe-following drilling tool and construction method thereof |
-
2017
- 2017-01-05 CN CN201720018389.1U patent/CN207063908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482522A (en) * | 2021-08-09 | 2021-10-08 | 清远中科振宇机械有限公司 | Down-the-hole hammer pipe-following drilling tool and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 |