CN105735901A - Combinative drilling tool of rotary excavating drilling machine - Google Patents
Combinative drilling tool of rotary excavating drilling machine Download PDFInfo
- Publication number
- CN105735901A CN105735901A CN201610299433.0A CN201610299433A CN105735901A CN 105735901 A CN105735901 A CN 105735901A CN 201610299433 A CN201610299433 A CN 201610299433A CN 105735901 A CN105735901 A CN 105735901A
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- China
- Prior art keywords
- upper shell
- lower shell
- way
- boring
- boring mud
- 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 89
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 9
- 239000003351 stiffener Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- -1 tilting Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a combinative drilling tool of a rotary excavating drilling machine, and relates to the field of foundation construction of buildings. The combinative drilling tool of the rotary excavating drilling machine comprises an upper barrel and a lower barrel, wherein the upper barrel is connected with the lower barrel dead against; further, the interior of the upper barrel is communicated with the interior of the lower barrel; the diameter of the lower barrel is less than that of the upper barrel; one end, which is close to the lower barrel, on the side wall of the upper barrel is uniformly provided with multiple drilling teeth along the circumferential direction; a vicinity, which is close to the drilling teeth, on the side wall of the lower barrel is provided with multiple boring mud openings; one end surface, which is far away from the upper barrel, of the lower barrel is provided with a movable opening-closing bottom plate; one end surface, which is far away from the lower barrel, of the upper barrel is also provided with multiple boring mud openings; further, the side wall of the upper barrel is fixedly provided with a spiral steel belt; the spiral steel belt is used for transferring boring mud below the drilling teeth into the boring mud openings of the upper barrel. By using the combinative drilling tool of the rotary excavating drilling machine, the boring perpendicularity can be effectively guaranteed; the boring quality is improved.
Description
Technical field
The present invention relates to construction foundation working field, be specifically related to the way-type drilling unit of a kind of rotary drilling rig.
Background technology
In the foundation construction of architectural engineering, rotary drilling rig is used to carry out the boring of pile foundation, owing to rotary drilling rig has a working performance height, and without advantages such as supplies of electric power during operation, and its application more and more extensive.The rated power of rotary drilling rig is generally 125～450kW, and power output moment of torsion is 120～400kN m, and maximum drilling diameter is up to 1.5～4m, and maximum depth of pore forming is 60～90m, it is possible to meet the requirement of all kinds of large foundation construction.
Rotary drilling rig is primarily adapted for use in the construction of the soil layers such as sand, cohesive soil, slity soil, but when carrying out the construction of deep embedding strong basis rock, for the rock stratum tilted, soft or hard is uneven, the application of rotary drilling rig is very restricted, boring progress is slow, and borehole perpendicularity is poor, it is difficult to reach the construction requirement of the boring of standard.
Summary of the invention
For the defect existed in prior art, it is an object of the invention to provide the way-type drilling unit of a kind of rotary drilling rig, it is possible to be effectively ensured borehole perpendicularity, improve drilling quality.
For reaching object above, the present invention adopts the technical scheme that: include just to being connected and the upper shell of internal connection and diameter are less than the lower shell of described upper shell, on the sidewall of described upper shell, the side near lower shell is along the circumferential direction evenly arranged with multiple brill tooth, offering multiple boring mud mouth near the region of described brill tooth on described lower shell sidewall, described lower shell is provided with the base plate of activity folding away from the end face of upper shell.
On the basis of technique scheme, described upper shell is away from offering multiple boring mud mouth on the end face of lower shell, and is fixed with spiral type steel band on the sidewall of upper shell, and described spiral type steel band is for being transferred to the boring mud boring tooth formation in the boring mud mouth of upper shell.
On the basis of technique scheme, the boring mud mouth on described upper shell end face is 4, and boring mud mouth is along the circumferential direction uniformly arranged on this end face.
On the basis of technique scheme, described upper shell is provided with the end face center of boring mud mouth and is provided with the drilling rod connector for jointed rod.
On the basis of technique scheme, between the end face of described drilling rod connector and upper shell, it is welded with stiffener.
On the basis of technique scheme, the boring mud mouth on described lower shell sidewall is 4, and uniformly offers along the circumferential direction of lower shell.
On the basis of technique scheme, the sidewall of described lower shell is fixed with steel band along described lower shell circumferencial direction.
On the basis of technique scheme, the sidewall of described lower shell is along the circumferential direction also uniformly provided with away from one end of upper shell multiple brill tooth.
On the basis of technique scheme, described brill tooth is rotary drill tooth or pick.
Compared with prior art, it is an advantage of the current invention that:
(1) way-type drilling unit of the present invention is made up of upper shell and lower shell, when carrying out bore operation, lower shell is transferred in the aperture of pre-subdrilling, whole way-type drilling unit is played guiding, stablize drilling tool, reduce the effect that drilling tool rocks, tilting, rock stratum operation that soft or hard is uneven time, also can be effectively ensured the perpendicularity of boring, improve the quality of boring.
(2) sidewall of upper shell is fixed with spiral type steel band, bore the short grained boring mud under tooth bores to rise along spiral type steel band along with the rotation of drilling tool, drop in the boring mud mouth of upper shell, prevent boring mud from lodging near brill tooth, so both avoid repetition drilling and affect the pore-forming efficiency of boring, it also avoid simultaneously brill tooth for a long time with boring mud rotating contact, generation high temperature, thus damaging brill tooth.
(3) the spiral type steel band on upper shell sidewall is with the steel band on lower shell sidewall all it can be avoided that upper and lower cylinder contacts with the direct of the wall of a borehole, decreases the abrasion between upper and lower cylinder and the wall of a borehole, extends the service life of upper and lower cylinder.
(4) this way-type drilling unit connects up and down, when way-type drilling unit carries out transferring in boring, under the counter-pressure effect of movable floor mud in the borehole, automatically turns on, and mud flows in lower shell smoothly, flows up and down, and what decrease way-type drilling unit transfers resistance.
Accompanying drawing explanation
Fig. 1 is the top view of the way-type drilling unit of a kind of rotary drilling rig of the present invention；
Fig. 2 is the upward view of the way-type drilling unit of a kind of rotary drilling rig of the present invention；
Fig. 3 is the sectional view of the way-type drilling unit of a kind of rotary drilling rig of the present invention.
In figure: 1-upper shell, 2-lower shell, 3-bores tooth, 4-boring mud mouth, 5-base plate, 6-spiral type steel band, 7-stiffener, 8-steel band, 9-drilling rod connector.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Shown in Fig. 1,2,3, the present invention provides the way-type drilling unit of a kind of rotary drilling rig, including just to being connected and the upper shell 1 of internal connection and diameter are less than the lower shell 2 of upper shell 1, when carrying out bore operation, lower shell 2 under, upper shell 1 is upper.On the sidewall of upper shell 1, the side near lower shell 2 is along the circumferential direction evenly arranged with multiple brill tooth 3, bore tooth 3 and be generally rotary drill tooth or pick, on lower shell 2 sidewall, the close region boring tooth 3 and upper shell 1 are away from all offering multiple boring mud mouth 4 on the end face of lower shell 2, boring mud mouth 4 on upper shell 1 end face is 4, and boring mud mouth 4 is along the circumferential direction uniformly arranged on this end face, lower shell 2 sidewall is provided with 4 boring mud mouths 4, and these 4 boring mud mouths 4 are uniformly offered along the circumferential direction of lower shell 2.Being fixed with spiral type steel band 6 on the sidewall of upper shell 1, spiral type steel band 6 is for being transferred to the boring mud that brill tooth 3 is formed in the boring mud mouth 4 of upper shell 1.This way-type drilling unit is when carrying out bore operation, bore the most of boring mud under tooth 3 bores and drop to the boring mud mouth 4 being arranged on lower shell 2 sidewall near brill tooth 3, short grained boring mud can rise along spiral type steel band 6 along with the rotation of drilling tool, drop in the boring mud mouth 4 of upper shell 1, effectively prevent boring mud from lodging near brill tooth 3, so both avoid repetition drilling and affect the pore-forming efficiency of boring, it also avoid brill tooth 3 for a long time and boring mud rotating contact simultaneously, producing high temperature, tooth 3 is bored in damage.Under the buffer action of spiral type steel band 6, it is to avoid upper shell 1 directly contacts with the wall of a borehole, thus decreasing the abrasion of upper shell 1, adds the service life of upper shell 1.
Upper shell 1 is provided with the end face center of boring mud mouth 4 and is additionally provided with the drilling rod connector 9 for jointed rod, adopts bearing pin to be connected, be welded with stiffener 7 between the end face of drilling rod connector 9 and upper shell 1 between drilling rod with drilling rod connector 9.So, the way-type drilling unit of the present invention is connected with the drilling rod of rig, and under the drive of drilling rod, way-type drilling unit rotates.
Being fixed with the steel band 8 along lower shell 2 sidewall circumferencial direction on the sidewall of lower shell 2, steel band 8 is a circle or multi-turn.Under the buffer action of steel ring 8, it is to avoid lower shell 2 directly contacts with the wall of a borehole, decreases the abrasion of lower shell 2, extends the service life of lower shell 2.Certainly, in the process used, steel band 8 and spiral type steel band 6 all can wear and tear, it is possible to carry out repair welding at any time according to the abrasion condition of steel band 8 and spiral type steel band 6.
When the way-type drilling unit using the present invention carries out bore operation, first other drilling tool can be used in the boring of middle part preboring one minor diameter hole to be drilled, the diameter of this boring is identical with the diameter of lower shell 2, then lower shell 2 is placed in the boring of minor diameter, transfer to certain degree of depth, upper shell 1 is made to be supported on the sidewall of boring circumference of minor diameter, when carrying out bore operation, whole way-type drilling unit is not only played guide effect by lower shell 2, also can play stable drilling tool simultaneously, reduce the effect that drilling tool rocks, tilting, during the uneven rock stratum operation of soft or hard, also the perpendicularity of boring can be effectively ensured, improve the quality of boring.Along the circumferential direction also be uniformly provided with multiple brill tooth 3 on the sidewall of lower shell 2 away from one end of upper shell 1, whole drilling tool, when transferring, bores tooth 3 and can clear away local protrusion portion in the boring of minor diameter and divide, it is ensured that the vertical of lower shell 2 is transferred smoothly.
Lower shell 2 is provided with away from the end face of upper shell 1 can the base plate 5 of activity folding, so whole way-type drilling unit connects up and down, way-type drilling unit is when transferring in boring, under the counter-pressure effect of movable floor 5 mud in the borehole, base plate 5 automatically turns on, because way-type drilling unit connects up and down, mud flows in lower shell 2 smoothly, flow up and down, what decrease way-type drilling unit transfers resistance, drilling tool to be combined is transferred to specific bit and is postponed stopping, start bore operation, now base plate 5 is not by the counteracting force of mud, base plate 5 just closes automatically, lower shell 2 just plays the effect connecing boring mud, the boring mud bored under tooth 3 bores on upper shell 1, enter in lower shell 2 by the boring mud mouth 4 on upper shell 1 and lower shell 2, then when way-type drilling unit is mentioned and holed outer, open base plate 5, boring mud is poured in sediment case and deposits.It is, of course, also possible to arrange a control system in lower shell 2, being controlled unlatching and the Guan Bi of base plate 5 by bar or other frame for movement, when way-type drilling unit is transferred in boring, base plate 5 is opened；When way-type drilling unit promotes from boring, base plate 5 closes.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, and these improvements and modifications are also considered as within protection scope of the present invention.The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (9)
1. the way-type drilling unit of a rotary drilling rig, it is characterized in that: include just to being connected and the upper shell (1) of internal connection and diameter are less than the lower shell (2) of described upper shell (1), on the sidewall of described upper shell (1), the side near lower shell (2) is along the circumferential direction evenly arranged with multiple brill tooth (3), offering multiple boring mud mouth (4) near the region of described brill tooth (3) on described lower shell (2) sidewall, described lower shell (2) is provided with the base plate (5) of activity folding away from the end face of upper shell (1).
2. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterized in that: described upper shell (1) offers multiple boring mud mouth (4) on the end face away from lower shell (2), and the sidewall of upper shell (1) is fixed with spiral type steel band (6), described spiral type steel band (6) is for being transferred to the boring mud that brill tooth (3) is formed in the boring mud mouth (4) of upper shell (1).
3. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterised in that: the boring mud mouth (4) on described upper shell (1) end face is 4, and boring mud mouth (4) is along the circumferential direction uniformly arranged on this end face.
4. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterised in that: described upper shell (1) is provided with the end face center of boring mud mouth (4) and is provided with the drilling rod connector (9) for jointed rod.
5. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 4, it is characterised in that: it is welded with stiffener (7) between the end face of described drilling rod connector (9) and upper shell (1).
6. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterised in that: the boring mud mouth (4) on described lower shell (2) sidewall is 4, and uniformly offers along the circumferential direction of lower shell (2).
7. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterised in that: the sidewall of described lower shell (2) is fixed with steel band (8) along described lower shell (2) circumferencial direction.
8. the way-type drilling unit of a kind of rotary drilling rig as claimed in claim 1, it is characterised in that: the sidewall of described lower shell (2) is along the circumferential direction also uniformly provided with multiple brill tooth (3) away from one end of upper shell (1).
9. the way-type drilling unit of a kind of rotary drilling rig as described in any one of claim 1 to 8, it is characterised in that: described brill tooth (3) is rotary drill tooth or pick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299433.0A CN105735901A (en) | 2016-05-06 | 2016-05-06 | Combinative drilling tool of rotary excavating drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299433.0A CN105735901A (en) | 2016-05-06 | 2016-05-06 | Combinative drilling tool of rotary excavating drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105735901A true CN105735901A (en) | 2016-07-06 |
Family
ID=56288838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610299433.0A Pending CN105735901A (en) | 2016-05-06 | 2016-05-06 | Combinative drilling tool of rotary excavating drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735901A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3517727A1 (en) * | 2018-01-24 | 2019-07-31 | BAUER Maschinen GmbH | Core-drilling tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823891A (en) * | 1986-08-27 | 1989-04-25 | Total Compagnie Francaise Des Petroles | Stabilizer sleeve for drill string |
| EP0730082A2 (en) * | 1995-03-03 | 1996-09-04 | Hawera Probst GmbH + Co. | Drill bit for percussive drilling |
| CN102425376A (en) * | 2011-09-23 | 2012-04-25 | 北京市三一重机有限公司 | Drilling tool of rotary drilling rig and rotary drilling rig comprising same |
| CN202850862U (en) * | 2012-08-24 | 2013-04-03 | 李兵 | Chambering and soil borrowing drill |
| CN203742432U (en) * | 2013-12-26 | 2014-07-30 | 深圳市工勘岩土工程有限公司 | Large-diameter rotary excavating drilled pile hard rock drilling rig |
| CN104481408A (en) * | 2014-12-04 | 2015-04-01 | 中铁二局股份有限公司 | Pick cylindrical drill suitable for construction of super-large diameter swivel-driven piles and application method thereof |
| CN205012953U (en) * | 2015-09-07 | 2016-02-03 | 武汉卡特工业股份有限公司 | Drill bit of rotary drilling rig |
| CN205743719U (en) * | 2016-05-06 | 2016-11-30 | 中铁大桥局集团第四工程有限公司 | A kind of way-type drilling unit of rotary drilling rig |
-
2016
- 2016-05-06 CN CN201610299433.0A patent/CN105735901A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823891A (en) * | 1986-08-27 | 1989-04-25 | Total Compagnie Francaise Des Petroles | Stabilizer sleeve for drill string |
| EP0730082A2 (en) * | 1995-03-03 | 1996-09-04 | Hawera Probst GmbH + Co. | Drill bit for percussive drilling |
| CN102425376A (en) * | 2011-09-23 | 2012-04-25 | 北京市三一重机有限公司 | Drilling tool of rotary drilling rig and rotary drilling rig comprising same |
| CN202850862U (en) * | 2012-08-24 | 2013-04-03 | 李兵 | Chambering and soil borrowing drill |
| CN203742432U (en) * | 2013-12-26 | 2014-07-30 | 深圳市工勘岩土工程有限公司 | Large-diameter rotary excavating drilled pile hard rock drilling rig |
| CN104481408A (en) * | 2014-12-04 | 2015-04-01 | 中铁二局股份有限公司 | Pick cylindrical drill suitable for construction of super-large diameter swivel-driven piles and application method thereof |
| CN205012953U (en) * | 2015-09-07 | 2016-02-03 | 武汉卡特工业股份有限公司 | Drill bit of rotary drilling rig |
| CN205743719U (en) * | 2016-05-06 | 2016-11-30 | 中铁大桥局集团第四工程有限公司 | A kind of way-type drilling unit of rotary drilling rig |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3517727A1 (en) * | 2018-01-24 | 2019-07-31 | BAUER Maschinen GmbH | Core-drilling tool |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |