CN102322228B - Centralizer and drill rod and engineering machine applying same - Google Patents
Centralizer and drill rod and engineering machine applying same Download PDFInfo
- Publication number
- CN102322228B CN102322228B CN201110170461.XA CN201110170461A CN102322228B CN 102322228 B CN102322228 B CN 102322228B CN 201110170461 A CN201110170461 A CN 201110170461A CN 102322228 B CN102322228 B CN 102322228B
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- fixed
- bar
- drilling rod
- groove
- erection device
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Abstract
The invention provides a centralizer applied to a drill rod. The drill rod comprises an outer rod and a core rod fixed in the outer rod in a telescopic way. The centralizer comprises centralizing rings fixed on the outer rod and the core rod, and the diameters of the centralizing rings are equal. The centralizing rings butt against the inner wall of a pile hole to centralize the drill rod, therefore the deflection of the drill rod can be prevented and the pore-forming accuracy can be improved.
Description
Technical field
The present invention relates to a kind of erection device and apply jackrod structure, the engineering machinery of this drilling rod.
Background technology
Along with the construction energetically of the infrastructure such as China's speedway, high-speed railway, rotary drilling rig is developed rapidly and application widely.But incident is some problems that still exist in site operation process, such as the continuous lengthening along with desired stake hole depth in engineering, the flexible stroke of drilling rod is also increasing, on upper several poles due to drilling rod when drilling rod is stretched out certain length, there is no reliable erection device, often cause borehole accuracy inadequate, thereby it is increasingly outstanding to make hole deviation obtain problem.Job site, if there is the problem of hole scattering, not only has a strong impact on normal construction speed, and consumptive material consumption power.
Therefore, design a kind of erection device and there is jackrod structure, the engineering machinery of this erection device to guarantee that pore-forming accuracy further improves, become the problem of needing solution badly.
Summary of the invention
In order to overcome above-mentioned defect and the deficiency of prior art, the object of the present invention is to provide a kind of erection device, it is applied in drilling rod, described drilling rod comprises outer bar and is telescopically fixed on the core bar in described outer bar, described erection device comprises righting circle, described righting circle is fixed on described outer bar and described core bar, and the equal diameters of each righting circle.
Preferably, this righting circle comprises circle body and claw, and this claw is extended and forms to the direction at center by the inwall of this circle body and holds end, and this holds end and is fixed on this outer bar and this core bar.
Preferably, on the perisporium of this outer bar, offer draw-in groove, be fixed with flowing water dish on this core bar, on this flowing water dish, offer breach, the end that holds of this claw is fixed on this draw-in groove and this indentation, there.
Preferably, in this draw-in groove and this breach, be fixed with block, this block holds end by this and is held in this draw-in groove and breach.
The present invention also provides a kind of erection device, it is applied in drilling rod, this drilling rod comprises outer bar, interior bar and core bar, this outer bar, interior bar and core bar are socketed on together successively, this erection device comprises righting circle, this righting circle is fixed on this outer bar, this interior bar and this core bar, and the equal diameters of each righting circle.
Preferably, this righting circle comprises circle body and claw, and this claw is extended and forms to the direction at center by the inwall of this circle body and holds end, and this holds end and is fixed on this outer bar, this interior bar and this core bar.
Preferably, on the perisporium of this outer bar, offer draw-in groove, be fixed with flowing water dish on this core bar, on this flowing water dish, offer breach, the end that holds of this claw is fixed on this draw-in groove and this indentation, there.
Preferably, in this draw-in groove and this breach, be fixed with block, this block holds end by this and is held in this draw-in groove and breach.
Preferably, this drilling rod also comprises chuck, and this chuck is fixed on this interior bar, and this holds end and is fixed on this chuck.
The present invention also provides a kind of jackrod structure and engineering machinery of applying above-mentioned erection device.
On the drilling rod of this jackrod structure, be fixed with righting circle, this righting circle can support on the inwall in stake hole so that drilling rod is carried out to correcting, prevents the generation of hole scattering phenomenon, to improve pore-forming accuracy.
Accompanying drawing explanation
Figure 1 shows that the perspective view of the jackrod structure that preferred embodiment of the present invention provides.
Figure 2 shows that the structural representation of another angle of the jackrod structure that preferred embodiment of the present invention provides.
The specific embodiment
Below in conjunction with the Fig. 1 in preferred embodiment of the present invention and Fig. 2, the technical scheme in the embodiment of the present invention is clearly and completely described.
The invention provides a jackrod structure 100, it is for engineering machinery such as rotary drilling rigs.This jackrod structure 100 comprises drilling rod, chuck 3 and erection device.Jackrod structure 100 in preferred embodiment of the present invention comprises four drilling rods, is respectively the first drilling rod 11, the second drilling rod 12, the 3rd drilling rod 13 and the 4th drilling rod 14, and described four drilling rods are socketed on together successively.
This first drilling rod 11 is the outer bar of this jackrod structure 100, and this first drilling rod 11 is offered an openend, on the perisporium 110 of contiguous this openend, offers three draw-in grooves 111, and described draw-in groove 111 is for fixing righting circle 5.
This second drilling rod 12 and the 3rd drilling rod 13 are the interior bar of this jackrod structure 100, and these the second drilling rod 12 telescopicallies are contained in this first drilling rod 11, and the 3rd drilling rod 13 telescopicallies are contained in this second drilling rod 12.
The 4th drilling rod 14 is the core bar of this jackrod structure 100, and the 4th drilling rod 14 telescopicallies are contained in the 3rd drilling rod 13.On the 4th drilling rod 14, fix first-class water pond 141, offer three breach 143 on the perisporium of this flowing water dish 141, described breach 143 is for fixing righting circle 5.
Described chuck 3 is separately fixed on the perisporium of this second drilling rod 12 and the 3rd drilling rod 13, and this fixed form can adopt the connected modes such as welding.Each chuck 3 is roughly circulus, offers card and join groove 31 on its perisporium, and described card is joined groove 31 for fixing righting circle 5.
Described erection device is righting circle 5, and described righting circle 5 is for this drilling rod is carried out to correcting, to prevent the generation of hole scattering phenomenon.The diameter of each righting circle 5 is identical, and it comprises a circle body 51 and three claws 53.This circle body 51 can support on the inwall in stake hole so that drilling rod is carried out to correcting.Described claw 53 extends and forms one by the inwall of circle body 51 to the direction at center and holds end 531.This holds end 531 and is held in draw-in groove 111, breach 143 and blocks and join in groove 31 righting circle 5 is fixed on the first drilling rod 11, the second drilling rod 12, the 3rd drilling rod 13 and the 4th drilling rod 14.
If described draw-in groove 111 and breach 143 are greater than this and hold end 531, hold end 531 be housed in draw-in groove 111 and breach 143 in time, in draw-in groove 111 and breach 143, fix a block 70, will hold end 531, be held in draw-in groove 111 and breach 143.
Be appreciated that in actual construction, if the degree of depth in stake hole is more shallow, can be by interior bar, the second drilling rod 12 and the 3rd drilling rod 13 omit, and this drilling rod 1 only comprises outer bar and core bar, i.e. the first drilling rod 11 and the 4th drilling rod 14.The 4th drilling rod 14 telescopicallies are fixed in this first drilling rod 11.
The quantity that is appreciated that interior bar of the present invention is not limited only to two, can correspondingly increase or reduce according to the degree of depth in stake hole.
Be appreciated that holding end 531 can substitute the above-mentioned mode that holds righting circle 5 is fixed on the first drilling rod 11, the second drilling rod 12, the 3rd drilling rod 13 and the 4th drilling rod 14 by modes such as welding.
Be appreciated that block 70 can omit, hold end 531 and can be fixed on draw-in groove 111 by modes such as welding, block and join in groove 31 and breach 143.
The quantity that is appreciated that claw 53 is not limited to three, but is at least one.Correspondingly, the draw-in groove 111 coordinating with claw 53, card is joined the quantity of groove 31 and breach 143 and the quantity of claw 53 is consistent.
The shape that is appreciated that righting circle 5 is not limited only to circle, and it can be made correspondingly and change according to the shape in stake hole.
Be appreciated that chuck 3 can omit, righting circle 5 can directly be fixed on this second drilling rod 12 and the 3rd drilling rod 13 by modes such as welding.Same, righting circle 5 can directly be fixed on this first drilling rod 11 and the 4th drilling rod 14 by modes such as welding.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an erection device, it is applied in drilling rod, described drilling rod comprises outer bar (11) and is telescopically fixed on the core bar (14) in described outer bar (11), it is characterized in that: described erection device comprises for supporting the circular righting circle (5) on the inwall of stake hole, described righting circle (5) is fixed on described outer bar (11) and described core bar (14), and the equal diameters of each righting circle (5), described righting circle (5) comprises circle body (51) and claw (53), described claw (53) is extended and forms to the direction at center by the inwall of described circle body (51) and holds end (531), the described end (531) that holds is fixed on described outer bar (11) and described core bar (14), on the perisporium (110) of described outer bar (11), offer draw-in groove (111), on described core bar (14), be fixed with flowing water dish (141), on described flowing water dish (141), offer breach (143), described claw (53) hold that end (531) is fixed on described draw-in groove (111) and described breach (143) is located.
2. erection device according to claim 1, it is characterized in that: in described draw-in groove (111) and described breach (143), be fixed with block (70), described block (70) will described in hold end (531) and be held in described draw-in groove (111) and breach (143).
3. an erection device, it is applied in drilling rod, described drilling rod comprises outer bar (11), interior bar (12, 13) and core bar (14), described outer bar (11), interior bar (12, 13) and core bar (14) be socketed on successively together, it is characterized in that: described erection device comprises for supporting the circular righting circle (5) on the inwall of stake hole, described righting circle (5) is fixed on described outer bar (11), described interior bar (12, 13) and on described core bar (14), and the equal diameters of each righting circle (5), described righting circle (5) comprises circle body (51) and claw (53), described claw (53) is extended and forms to the direction at center by the inwall of described circle body (51) and holds end (531), the described end (531) that holds is fixed on described outer bar (11), described interior bar (12, 13) and on described core bar (14), on the perisporium (110) of described outer bar (11), offer draw-in groove (111), on described core bar (14), be fixed with flowing water dish (141), on described flowing water dish (141), offer breach (143), described claw (53) hold that end (531) is fixed on described draw-in groove (111) and described breach (143) is located.
4. erection device according to claim 3, it is characterized in that: in described draw-in groove (111) and described breach (143), be fixed with block (70), described block (70) will described in hold end (531) and be held in described draw-in groove (111) and breach (143).
5. erection device according to claim 4, is characterized in that: described drilling rod also comprises chuck (3), and it is upper that described chuck (3) is fixed on described interior bar (12,13), described in hold end (531) and be fixed on described chuck (3).
6. a jackrod structure (100), is characterized in that: it comprises the erection device as described in any one in claim 1-5.
7. an engineering machinery, it comprises erection device, it is characterized in that: described erection device is the erection device described in any one in claim 1-5.
8. an engineering machinery, it comprises jackrod structure (100), it is characterized in that: described jackrod structure (100) is jackrod structure claimed in claim 7 (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110170461.XA CN102322228B (en) | 2011-06-23 | 2011-06-23 | Centralizer and drill rod and engineering machine applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110170461.XA CN102322228B (en) | 2011-06-23 | 2011-06-23 | Centralizer and drill rod and engineering machine applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102322228A CN102322228A (en) | 2012-01-18 |
| CN102322228B true CN102322228B (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110170461.XA Expired - Fee Related CN102322228B (en) | 2011-06-23 | 2011-06-23 | Centralizer and drill rod and engineering machine applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322228B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029948B (en) * | 2019-06-03 | 2020-09-04 | 中铁隧道集团一处有限公司 | Drill bit centering device for constructing long-distance horizontal drilling |
| CN110439482A (en) * | 2019-09-04 | 2019-11-12 | 上海中联重科桩工机械有限公司 | Drilling machine drilling rod |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303078Y (en) * | 1997-08-27 | 1999-01-06 | 胜利石油管理局钻井集团一公司钻井二公司 | Centralising device for directional drilling rod |
| CN2430535Y (en) * | 2000-03-31 | 2001-05-16 | 徐州工程机械集团有限公司徐州工程机械研究所 | Multiple section self locking telescopic drill rod |
| DE20301946U1 (en) * | 2003-02-07 | 2004-06-09 | Bauer Maschinen Gmbh | Telescopic drill pipe |
| GB0515070D0 (en) * | 2005-07-22 | 2005-08-31 | Moyes Peter B | Downhole tool |
| CN2878651Y (en) * | 2005-12-26 | 2007-03-14 | 北京市三一重机有限公司 | Composite drill rod |
| CN200964804Y (en) * | 2006-03-27 | 2007-10-24 | 李凤咏 | Rolling body centralizer |
| CN201011298Y (en) * | 2006-12-15 | 2008-01-23 | 陈英 | Centering guide for sucker rod |
| CN101148975B (en) * | 2007-10-31 | 2010-10-27 | 大庆油田有限责任公司 | Horizontal well fastener-unlatching salvaging device and fastener-unlatching salvaging method thereof |
| CN101581203A (en) * | 2009-06-19 | 2009-11-18 | 中国海洋石油总公司 | Near-bit centralizer of riser pipe under simulated injection method |
| CN201513134U (en) * | 2009-09-11 | 2010-06-23 | 文登市合力机械有限公司 | Long spiral telescopic drill stem |
-
2011
- 2011-06-23 CN CN201110170461.XA patent/CN102322228B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102322228A (en) | 2012-01-18 |
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Granted publication date: 20140319 Termination date: 20200623 |