CN203701943U - Full-section drilling tool and rotary-excavating drilling machine - Google Patents
Full-section drilling tool and rotary-excavating drilling machine Download PDFInfo
- Publication number
- CN203701943U CN203701943U CN201320870981.6U CN201320870981U CN203701943U CN 203701943 U CN203701943 U CN 203701943U CN 201320870981 U CN201320870981 U CN 201320870981U CN 203701943 U CN203701943 U CN 203701943U
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- drilling
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- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 112
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011435 rock Substances 0.000 abstract description 25
- 239000002893 slag Substances 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract 4
- 206010016023 Face crushing Diseases 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000013467 fragmentation Methods 0.000 description 5
- 238000006062 fragmentation reaction Methods 0.000 description 5
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a full-section drilling tool and a rotary-excavating drilling machine. The full-section drilling tool comprises a drilling barrel, a plurality of drilling bits and a slag discharging pipe, wherein the top of the drilling barrel is provided with a top plate; the bottom of the drilling barrel is provided with a bottom plate; the top plate is provided with an upper connecting hole; the bottom plate is provided with a lower connecting hole; the drilling bits are installed on the bottom plate in a rotatable way; the rotating axes of the drilling bits are respectively perpendicular to the axis of the drilling barrel; the slag discharging pipe comprises a head section, a middle section and a tail section in sequence from head to tail; the middle section is located in the drilling barrel; the head section and the tail section respectively penetrate through the upper connecting hole and the lower connecting hole. The full-section drilling tool can implement rock-face crushing on a rock stratum, and is applicable for drilling into superhard rocks; drilling slag and mud on the bottom of the drilling barrel can be sucked out through the slag discharging pipe by using slag sucking equipment such as a slag sucking pump, so that the consistent contact, with an original rock stratum, of the drilling bits is guaranteed, the secondary crushing is reduced, and the drilling efficiency is improved; in addition, the full-section drilling tool can implement slag discharging as drilling; therefore drilling lifting is not required in the drilling course, and the construction efficiency is further improved.
Description
Technical field
The utility model relates to engineering machinery field, particularly a kind of full section drilling tool and rotary drilling rig.
Background technology
Rotary drilling rig is the construction machinery of pore-forming operation in a kind of applicable building foundation engineering, and its principle is to drive drilling rod by unit head, realizes drilling tool revolution cutting ground, be then promoted to outside hole and unload soil, through periodic cycle operation until pore-forming.Rotary drilling rig is mainly not only suitable for the construction of the soil layers such as sand, cohesive soil, slity soil, is also applicable to the construction of rock stratum, in the multiple foundation basic constructions such as castinplace pile, diaphragm wall, underpin, is used widely.Rotary drilling rig is as a kind of efficient, advanced pore-forming equipment, and in the time of the heavy caliber such as high ferro, bridge construction drill, its advantage is comparatively outstanding.
Drilling tool is one of vitals of rotary drilling rig, its pressure and moment of torsion for accepting to transmit from rotary drilling rig transmission device, thus realize self rotation and feeding, and tunnel in this way cutting ground.Rotary drilling rig is in the time of super hard-rock boring at present, the roller drills that adopt more, this kind of drilling tool cannot form full section fragmentation, and bores tooth bottom boring mud and cannot get rid of, cause the second-time breakage of a large amount of boring muds, easily cause on the one hand the inordinate wear of gear wheel alloy point, accelerate gear wheel rate of decay, easily cause on the other hand Powdered boring mud to stick with paste gear wheel, cause gear wheel to rotate difficulty, cause gear wheel not rotate, grind transverse plane, abnormal damage.
Utility model content
In view of this, the utility model proposes that a kind of crushing efficiency is high, second-time breakage rate is low and the non-damageable full section drilling tool of drill bit and rotary drilling rig.
For achieving the above object, the technical solution of the utility model is achieved in that
On the one hand, the utility model provides a kind of full section drilling tool, comprising: drilling pipe, and its top is provided with top board, and bottom is provided with base plate; Described top board is provided with connecting hole; Described base plate is provided with lower connecting hole; Some drill bits, it is rotating is installed on described base plate, and the pivot center of described drill bit and the axis of described drilling pipe vertical; Scum pipe, it comprises head section, interlude and rear successively by head to afterbody; Described interlude is positioned at described drilling pipe, and described head section and rear wore respectively described upper connecting hole and lower connecting hole.
Further, described head section is welded in the upper connection hole of described top board; Described rear is welded in the lower connection hole of described base plate.
Further, described head section is arranged in described upper connecting hole by upper elastic sealing element; Described rear is arranged in described lower connecting hole by lower elastic sealing element.
Further, in described some drill bits, have at least the pivot center of two drill bits to intersect.
Further, described some drill bits are along the Central Symmetry setting of described base plate.
Further, described drill bit is insert cutter.
Further, the bottom surface of described base plate is equipped with Connection Block, and described Connection Block is provided with connecting axle, and described insert cutter is connected by bearing pair with described connecting axle, and the arranged direction of described connecting axle and the axis of described drilling pipe perpendicular.
Further, also comprise: the connection side who is arranged at the top board of described drilling pipe.
On the other hand, the utility model also provides a kind of rotary drilling rig, is provided with the full section drilling tool described in above-mentioned any one.
The utility model provides a kind of full section drilling tool, and the drilling pipe of this drilling tool is structure as a whole, and cylinder end base plate is long-pending large, can increase thus the area that arranges of drill bit, increases the magnitude setting of drill bit; Drill bit can rotate along the direction vertical with drilling pipe axis, thus, in the rotation process of drilling pipe, drill bit both revolved round the sun along the axis of drilling pipe, do rotation around the axis of self again simultaneously, make this drill bit to form impact shear effect to rock stratum face, increasing of drill bit number in addition, is conducive to form within the scope of total rock face broken.In addition, in this full section drilling tool, be also provided with scum pipe, after the head section of this scum pipe is connected with slag absorbing power source, can make base plate vicinity produce negative pressure, boring mud herein will be discharged by scum pipe under the effect of the negative pressure that coexists with mud one, make thus drill bit can contact all the time primary rock stratum, reduced the second-time breakage rate of sillar, also reduced the wearing and tearing to drill bit; Finally, adopt this full section to creep into without carrying brill, can creep into continuously, can improve efficiency of construction and reduce again drilling cost.
In sum, the full section drilling tool tool that the utility model provides has the following advantages:
1) this drilling tool can carry out the fragmentation of total rock face to rock stratum, is applicable to creeping into superhard rock.
2) utilize the slag absorbing equipment such as slag absorbing pump by scum pipe by boring mud and the mud sucking-off of drilling pipe bottom, to guarantee that drill bit contacts primary rock stratum all the time, to have reduced second-time breakage, improve drilling efficiency.
3) can in creeping into, carry out deslagging, therefore in drilling process, not need to carry brill, further improve efficiency of construction.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The structural representation of the full section drilling tool that Fig. 1 provides for the utility model embodiment;
Fig. 2 executes the generalized section of the full section drilling tool that example provides for the utility model.
Description of reference numerals:
1 drilling pipe 11 top boards
12 base plate 121 Connection Blocks
2 drill bit 3 scum pipes
31 section 32 interludes
33 rear 4 connection sides
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.Below in conjunction with accompanying drawing, each preferred embodiment of the present utility model is described further:
Refer to Fig. 1 to Fig. 2, the figure shows the structure of the full section drilling tool that the utility model embodiment provides.This kind of full section drilling tool, comprising:
Drilling pipe 1, its top is provided with top board 11, and bottom is provided with base plate 12; Top board 11 is provided with connecting hole; Base plate 12 is provided with lower connecting hole;
Some drill bits 2, its rotating base plate 12 that is installed on drilling pipe 1, and the pivot center of drill bit 2 is vertical with the axis of drilling pipe 1;
Scum pipe 3, it comprises head section 31, interlude 32 and rear 33 successively by head to afterbody; Interlude 32 is positioned at drilling pipe 1, and head section 31 and rear 33 wore respectively above-mentioned upper connecting hole and lower connecting hole.
In the full section drilling tool that the present embodiment provides, the drilling pipe 1 of employing is structure as a whole, and cylinder end base plate 12 areas are large, can increase thus the area that arranges of drill bit 2, increases the magnitude setting of drill bit 2.Drill bit 2 is rotatable along the direction vertical with drilling pipe 1 axis, thus, in the rotation process of drilling pipe 1, drill bit 2 revolves round the sun along the axis of drilling pipe 1 on the one hand, do rotation around the axis (direction vertical with drilling pipe 1 axis) of self again simultaneously, make thus this drill bit 2 to form impact shear effect to rock stratum face, increasing of drill bit 2 numbers in addition, is conducive to form within the scope of total rock face broken.
In addition, in the full section drilling tool that the present embodiment provides, be also provided with scum pipe 3, head section 31 upper connecting holes that wore top board 11 for this scum pipe 3 communicate with the external world, can be by itself and slag absorbing power source when work, and as connected in slag absorbing pump etc.; The rear 33 of scum pipe 3 wore the lower connecting hole of base plate 12, while creeping into, contacted with near the boring mud being positioned at base plate 12.Thus, after the head section 31 of scum pipe 3 is connected with slag absorbing power source, can make to produce negative pressure near base plate 12, boring mud herein will be discharged (boring mud is discharged trend as shown by the arrows in Figure 2) by scum pipe 3 under the effect of the negative pressure that coexists with mud one.Make thus drill bit 2 can contact all the time primary rock stratum, prevented the second-time breakage of sillar, also reduced the wearing and tearing to drill bit 2; In addition, do not need to carry brill, can creep into continuously, can improve efficiency of construction and reduce again drilling cost.
In order to prevent that boring mud and mud from flowing into drilling pipe 1 inside or leaking outside, scum pipe 3 top board 11 and base plate 12 preferred and drilling pipe 1 are tightly connected, and specifically can adopt any one of following two kinds of modes:
The head section 31 of scum pipe 3 is welded in the upper connection hole of top board 11; Rear 33 welds the lower connection hole of base plate 12.
The head section 31 of scum pipe 3 is arranged in the upper connecting hole of top board 11 by upper elastic sealing element; Rear 33 is arranged in lower connecting hole by lower elastic sealing element.
In order to strengthen the impact shear active force of drill bit 2 to rock stratum face, in some drill bits 2 of the full section drilling tool that the present embodiment provides, have at least the pivot center of two drill bits 2 to intersect, have at least the pivot center of two drill bits 2 not parallel, can make thus drill bit 2 in drilling process, can apply to rock stratum the impact shear power of multiple directions, improve the percentage of damage within the scope of total rock face.In addition, above-mentioned some drill bits 2 are the excellent Central Symmetry setting along base plate 12 also, is conducive to the stressed of the each drill bit 2 of balance, extends the application life of drill bit 2 entirety.
Above-mentioned drill bit 2 can adopt rock bit, insert cutter etc.The present embodiment preferably adopts insert cutter.Insert cutter surface is covered with ball tooth, and insert cutter is in the revolution of cylinder 1 axis that rotates thus, and in the process of self axis rotation, and ball tooth is along both circumferentially to rock stratum section application of force fragmentation, and radially to rock stratum section application of force fragmentation, crushing efficiency is high again.
Insert cutter specifically can be installed on base plate 12 in the following manner:
The bottom surface of base plate 12 is provided with Connection Block 121, and this Connection Block 121 is provided with connecting axle, and insert cutter is connected by bearing pair with connecting axle, and the arranged direction of connecting axle and the axis of drilling pipe perpendicular.
It should be noted that, the full section drilling tool that the present embodiment provides can also comprise other structure of existing drilling tool, as also comprised: the connection side 4 who is arranged at the top board 11 of drilling pipe 1.This connection side 4 is for being connected with the parts that this full section drilling tool is carried out to torsion pass pressurization.
As shown in the above, the full section drilling tool tool that the utility model embodiment provides has the following advantages:
1) this drilling tool can carry out the fragmentation of total rock face to rock stratum, solves the difficult problem of creeping into of the above superhard rock stratum of 70MPa.
2) utilize the slag absorbing equipment such as slag absorbing pump by scum pipe by boring mud and the mud sucking-off of drilling pipe bottom, to guarantee that drill bit contacts primary rock stratum all the time, to have reduced second-time breakage, improve drilling efficiency.
3) can in creeping into, carry out deslagging, therefore in drilling process, not need to carry brill, further improve efficiency of construction.
The utility model embodiment also provides a kind of rotary drilling rig, this rotary drilling rig is provided with above-mentioned any full section drilling tool, because above-mentioned any full section drilling tool has above-mentioned technique effect, therefore, the rotary drilling rig that is provided with this full section drilling tool also should possess corresponding technique effect, its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a full section drilling tool, is characterized in that, comprising:
Drilling pipe (1), its top is provided with top board (11), and bottom is provided with base plate (12); Described top board (11) is provided with connecting hole; Described base plate (12) is provided with lower connecting hole;
Some drill bits (2), it is rotating is installed on described base plate (12), and the pivot center of described drill bit (2) is vertical with the axis of described drilling pipe (1);
Scum pipe (3), it comprises head section (31), interlude (32) and rear (33) successively by head to afterbody; Described interlude (32) is positioned at described drilling pipe (1), and described head section (31) and rear (33) wore respectively described upper connecting hole and lower connecting hole.
2. full section drilling tool according to claim 1, is characterized in that, described head section (31) is welded in the upper connection hole of described top board (11); Described rear (33) is welded in the lower connection hole of described base plate (12).
3. full section drilling tool according to claim 1, is characterized in that, described head section (31) is arranged in described upper connecting hole by upper elastic sealing element; Described rear (33) is arranged in described lower connecting hole by lower elastic sealing element.
4. full section drilling tool according to claim 1, is characterized in that, in described some drill bits (2), has at least the pivot center of two drill bits to intersect.
5. full section drilling tool according to claim 1, is characterized in that, described some drill bits (2) are along the Central Symmetry setting of described base plate (12).
6. according to the full section drilling tool described in claim 1 to 5 any one, it is characterized in that, described drill bit (2) is insert cutter.
7. full section drilling tool according to claim 6, it is characterized in that, the bottom surface of described base plate (12) is equipped with Connection Block (121), described Connection Block (121) is provided with connecting axle, described insert cutter is connected by bearing pair with described connecting axle, and the axis of the arranged direction of described connecting axle and described drilling pipe (1) is perpendicular.
8. full section drilling tool according to claim 1, is characterized in that, also comprises: the connection side (4) who is arranged at the top board (11) of described drilling pipe (1).
9. a rotary drilling rig, is characterized in that, is provided with the full section drilling tool described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870981.6U CN203701943U (en) | 2013-12-26 | 2013-12-26 | Full-section drilling tool and rotary-excavating drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870981.6U CN203701943U (en) | 2013-12-26 | 2013-12-26 | Full-section drilling tool and rotary-excavating drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701943U true CN203701943U (en) | 2014-07-09 |
Family
ID=51052399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870981.6U Expired - Lifetime CN203701943U (en) | 2013-12-26 | 2013-12-26 | Full-section drilling tool and rotary-excavating drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203701943U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639888A (en) * | 2016-10-25 | 2017-05-10 | 北京中车重工机械有限公司 | Rotary drilling rig and drilling bucket assembly thereof |
| CN108086913A (en) * | 2017-12-12 | 2018-05-29 | 中交公局海威工程建设有限公司 | Drilling pipe device and drilling machine |
| CN109139036A (en) * | 2018-09-11 | 2019-01-04 | 谢建 | A kind of tunnel cutting mechanism |
| CN110295850A (en) * | 2019-07-05 | 2019-10-01 | 深圳宏业基岩土科技股份有限公司 | For being engaged the fishing sand hopper reamer bit structure of pile embedding in rock |
| CN112483006A (en) * | 2020-12-08 | 2021-03-12 | 中国矿业大学 | Rock threaded hole drilling bit of rotary drilling rig and using method and application thereof |
| CN115354966A (en) * | 2022-10-24 | 2022-11-18 | 江苏翼电科技有限公司 | Modular rotary drilling machine drill bit |
-
2013
- 2013-12-26 CN CN201320870981.6U patent/CN203701943U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106639888A (en) * | 2016-10-25 | 2017-05-10 | 北京中车重工机械有限公司 | Rotary drilling rig and drilling bucket assembly thereof |
| CN108086913A (en) * | 2017-12-12 | 2018-05-29 | 中交公局海威工程建设有限公司 | Drilling pipe device and drilling machine |
| CN108086913B (en) * | 2017-12-12 | 2024-04-05 | 中交一公局集团有限公司 | Drilling cylinder device and drilling machine |
| CN109139036A (en) * | 2018-09-11 | 2019-01-04 | 谢建 | A kind of tunnel cutting mechanism |
| CN110295850A (en) * | 2019-07-05 | 2019-10-01 | 深圳宏业基岩土科技股份有限公司 | For being engaged the fishing sand hopper reamer bit structure of pile embedding in rock |
| CN112483006A (en) * | 2020-12-08 | 2021-03-12 | 中国矿业大学 | Rock threaded hole drilling bit of rotary drilling rig and using method and application thereof |
| CN112483006B (en) * | 2020-12-08 | 2024-05-17 | 中国矿业大学 | Rock threaded hole drilling bit of rotary drilling rig, and use method and application thereof |
| CN115354966A (en) * | 2022-10-24 | 2022-11-18 | 江苏翼电科技有限公司 | Modular rotary drilling machine drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |