CN107905724A - A kind of hobboing cutter splits the anti-well drilling machine of type that gathers - Google Patents
A kind of hobboing cutter splits the anti-well drilling machine of type that gathers Download PDFInfo
- Publication number
- CN107905724A CN107905724A CN201711123877.XA CN201711123877A CN107905724A CN 107905724 A CN107905724 A CN 107905724A CN 201711123877 A CN201711123877 A CN 201711123877A CN 107905724 A CN107905724 A CN 107905724A
- Authority
- CN
- China
- Prior art keywords
- hobboing cutter
- wall part
- broken wall
- spill spin
- carrier member
- 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 42
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 206010016023 Face crushing Diseases 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- 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
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
- E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
-
- 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
- E21B7/00—Special methods or apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of hobboing cutter to split the anti-well drilling machine of type that gathers, including base support, telescoping drive mechanism, rotary drive mechanism, drilling rod, drill bit；The bottom of the tool apron is installed on cutterhead by rotary moveable mechanism；The hobboing cutter includes carrier member and broken wall part；The carrier member is in truncated cone-shaped structure；The exterior surrounding of the carrier member is uniformly distributed multiple threaded holes；The cylindrical structure of broken wall part；The outside of the broken wall part is equipped with external screw thread；The broken wall part is threaded in the threaded hole of surrounding outside carrier member by external screw thread；The outboard end of the broken wall part is extended on the outside of the threaded hole of carrier member；The outboard end of the broken wall part is equipped with the grinding block of semicircular structure.The hob-cutter structure of the present invention is ingenious in design, forms broken wall part layer fine and close outside carrier member, carrier member and the replacement of broken wall part are easy for installation, have saved cost, have improved installation effectiveness.
Description
Technical field
The present invention relates to a kind of hobboing cutter to split the anti-well drilling machine of type that gathers.
Background technology
At present, anti-well drilling machine is mainly used in hydroelectric project vertical shaft, inclined shaft, surge shaft, ventilation shaft and gully, railway
Construction ventilation well and mine slip slag well etc. industry.Drill bit in anti-well drilling machine is most important component in whole mechanism, one
As drill bit all include cutterhead, tool apron, hobboing cutter, tool apron be installed on cutterhead on, hobboing cutter be installed on tool apron on, the distribution of hobboing cutter and structure
Have a great impact for the efficiency and stability of broken rock, existing tool apron is all stationarily connected on cutterhead, the position of tool apron
It is all to carry out being distributed in advance to put, and cannot flexibly be used in actual job, it is impossible to is carried out according to broken rock face from correction tool apron
Position；In addition, the column construction that existing hobboing cutter is integrated, column construction sidepiece is distributed with grinding cord, but such one
Body formula hobboing cutter can be knocked destruction after long-term operation or be scrapped by very serious abrasion, so whole hobboing cutter, and
Need hobboing cutter dismounting reinstalling new hobboing cutter, influence operating efficiency and operating cost.
The content of the invention
In view of the above shortcomings of the prior art part, the present invention solve the problems, such as be：One kind is provided and carries New Kind of Hob knot
The hobboing cutter of structure splits the anti-well drilling machine of type that gathers.
To solve the above problems, the technical solution that the present invention takes is as follows：
A kind of hobboing cutter splits the anti-well drilling machine of type that gathers, including base support, telescoping drive mechanism, rotary drive mechanism, drilling rod, brill
Head；The telescoping drive mechanism is installed on base support；The rotary drive mechanism is installed on telescoping drive mechanism
End；The drilling rod bottom is installed on rotary drive mechanism；The drilling rod upper end installation drill bit；The drill bit includes knife
Disk, tool apron, hobboing cutter, feeler lever；The cutterhead is installed on drilling rod upper end；The tool apron is installed on cutterhead upper end；The rolling
Knife is installed on tool apron；The feeler lever is installed on the centre of cutterhead；Pacified by rotary moveable mechanism the bottom of the tool apron
On cutterhead；The hobboing cutter includes carrier member and broken wall part；The carrier member is in truncated cone-shaped structure；The carrier member
Exterior surrounding be uniformly distributed multiple threaded holes；The cylindrical structure of broken wall part；The outside of the broken wall part is equipped with outer
Screw thread；The broken wall part is threaded in the threaded hole of surrounding outside carrier member by external screw thread；Outside the broken wall part
Side end is extended on the outside of the threaded hole of carrier member；The outboard end of the broken wall part is equipped with the grinding block of semicircular structure.
Further, the grinding block is made of diamond.
Further, axially inclined distribution of the threaded hole along carrier member.
Further, the rotary moveable mechanism includes positioning column, spill spin block, spacing workpiece, travelling nut；Described determines
The lower end of position column is fixed on cutterhead；The positioning column upper end is equipped with first through hole；The spill spin block upper end is fixed on knife
Seat bottom；The spill spin block has extended upwardly from the bottom portion inserting groove；The sidepiece of the spill spin block is equipped with through its section
Second through hole；The spacing workpiece is in I-shape construction；The spacing workpiece includes spill spin block limiting plate, screw rod, movement
Nut limiting plate；The spill spin block limiting plate and travelling nut limiting plate is separately mounted to the both ends of screw rod；The positioning
Column upper end is plugged in the inserting groove of spill spin block bottom；The first through hole and the second lead to the hole site correspond to；The spacing work
Screw rod in part, which is worn, to be connected in first through hole and the second through hole；The spill spin block limiting plate is connected to side outside spill spin block；
The travelling nut limiting plate is located at opposite side outside spill spin block；The travelling nut is threadably mounted on screw rod；It is described
Travelling nut be located on the outside of travelling nut limiting plate and spill spin block between；The travelling nut rotational fastener spill spin block.
Further, the rotary moveable mechanism further includes compression spring；The compression spring is socketed on screw rod；Institute
The compression spring stated is between travelling nut and spill spin block.
Further, it is connected with rotary drilling block at the top of the feeler lever.
Further, the rotary drilling block lower inner is equipped with T-shaped card slot；T-shaped latch is equipped with the top of the feeler lever；Institute
The rotary drilling block stated passes through the T-shaped latch rotary clamping at the top of T-shaped card slot and feeler lever.
Further, the arc-shaped structure in upper end of the rotary drilling block.
Beneficial effects of the present invention
1. the hob-cutter structure of the present invention is ingenious in design, hobboing cutter includes carrier member and broken wall part, and multiple broken wall parts are connected by screw thread
The mode connect is installed on the outside of the surrounding of carrier member, is formed broken wall part layer fine and close outside carrier member, is realized broken wall part and load
Body part is flexibly connected, and broken wall part is ground exterior broken rock face crushing collision, when the long-time service of broken wall part is damaged
After can directly by broken wall part dismounting be re-replaced, it is not necessary to whole hobboing cutter is scrapped, has saved cost and installation
Efficiency.
2. the bottom of the tool apron of the present invention is installed on cutterhead by rotary moveable mechanism, the spin of tool apron is so realized
Rotating function, rotary moveable mechanism can promote tool apron and hobboing cutter to carry out rational position adjusting according to different broken rock faces, specifically
Tool apron and spill spin block upper end fix, stationary positioned column on cutterhead, positioning column interts to be rotated into spill spin block and with column spinner
Connection, installs travelling nut, travelling nut can lock spill spin block, there is two kinds of Working moulds on the screw rod of spacing workpiece
Formula, first, being pre-adjusted the angle of spill spin block so that the position of tool apron is pre-adjusted, is then locked in rotation by travelling nut
On the outside of switch block so that spill spin block is locked；Second, adjusting the position of travelling nut, ensure that spill spin block is not locked so that rotation
Block can carry out rotation under the squeezing action of external force and realize correction certainly, and the present invention realizes the rotation of tool apron from correcting, is bonded
Broken rock face, use are more flexible.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is tool apron of the present invention, hobboing cutter, the attachment structure schematic diagram of rotary moveable mechanism.
Fig. 3 is the connection schematic cross-sectional view of rotary moveable mechanism of the present invention.
Fig. 4 is the fractionation structural representation of rotary moveable mechanism of the present invention.
Fig. 5 is the fractionation schematic cross-sectional view of hobboing cutter of the present invention.
Fig. 6 is the connection schematic cross-sectional view of hobboing cutter of the present invention.
Fig. 7 is the schematic cross-section of hobboing cutter of the present invention.
Fig. 8 is the fractionation structural representation of feeler lever of the present invention.
Fig. 9 is the attachment structure schematic diagram of feeler lever of the present invention.
Embodiment
Present invention is described in further detail below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, a kind of hobboing cutter splits the anti-well drilling machine of type that gathers, including base support 1, telescoping drive mechanism 2,
Rotary drive mechanism 3, drilling rod 5, drill bit 4.The telescoping drive mechanism 2 is installed on base support 1.The rotation driving
Mechanism 3 is installed on 2 upper end of telescoping drive mechanism.Telescoping drive mechanism 2 controls rotary drive mechanism 3 to move up and down.The brill
5 bottom of bar is installed on rotary drive mechanism 3.Rotary drive mechanism 3 controls the rotation of drilling rod 5.5 upper end of the drilling rod installation
Drill bit 4.The drill bit 4 includes cutterhead 41, tool apron 42, hobboing cutter 43, feeler lever 44.The cutterhead 41 is installed on 5 upper end of drilling rod.
The tool apron 42 is installed on 41 upper end of cutterhead.The hobboing cutter 43 is installed on tool apron 42.The feeler lever 44 is installed on knife
The centre of disk 41.The bottom of the tool apron 42 is installed on cutterhead 41 by rotary moveable mechanism 6.
As shown in Figs. 5 to 7, the hobboing cutter 43 includes carrier member 431 and broken wall part 432.The carrier member 431 is in circle
Platform shape structure.The exterior surrounding of the carrier member 431 is uniformly distributed multiple threaded holes 4311.The broken wall part 432 is in column
Shape structure.The outside of the broken wall part 432 is equipped with external screw thread.The broken wall part 432 is threaded in load by external screw thread
The threaded hole 4311 of 431 outside surrounding of body part.The outboard end of the broken wall part 432 extends to the threaded hole of carrier member 431
4311 outsides.The outboard end of the broken wall part 432 is equipped with the grinding block 4321 of semicircular structure.Further preferably, it is described
Grinding block 4321 be made of diamond.Further preferably, the threaded hole 4311 is along the axially inclined of carrier member 431
Distribution.
As shown in Figures 3 and 4, further preferably, the rotary moveable mechanism 6 includes positioning column 62, spill spin block 61, spacing
Workpiece 63, travelling nut 64.The lower end of the positioning column 62 is fixed on cutterhead 41.62 upper end of positioning column is equipped with the
One through hole 621.61 upper end of spill spin block is fixed on 42 bottom of tool apron.The spill spin block 61 has extended upwardly from the bottom portion slotting
Access slot 611.The sidepiece of the spill spin block 61 is equipped with the second through hole 612 through its section.The spacing workpiece 63 is in work
Character form structure.The spacing workpiece 63 includes spill spin block limiting plate 632, screw rod 631, travelling nut limiting plate 633.Described
Spill spin block limiting plate 632 and travelling nut limiting plate 633 are separately mounted to the both ends of screw rod 631.62 upper end of positioning column
It is plugged in the inserting groove 611 of 61 bottom of spill spin block.621 and second through hole of first through hole, 612 position correspondence.The limit
Screw rod 631 in the workpiece 63 of position, which is worn, to be connected on 621 and second through hole 612 of first through hole.The spill spin block limiting plate 632 abuts
In 61 outside side of spill spin block.The travelling nut limiting plate 633 is located at 61 outside opposite side of spill spin block.The mobile spiral shell
Mother 64 is threadably mounted on screw rod 631.The travelling nut 64 is located at 61 outside of travelling nut limiting plate 633 and spill spin block
Between.The 64 rotational fastener spill spin block 61 of travelling nut.Further preferably, the rotary moveable mechanism 6 further includes compression
Spring 65.The compression spring 65 is socketed on screw rod 631.The compression spring 65 is located at travelling nut 64 and spill spin block
Between 61.Compression spring 65 is acted between travelling nut 64 and spill spin block 61 by its elastic force so that travelling nut 64 is to rotation
Switch block 61 lock it is even closer, connection it is more steady.
As shown in FIG. 8 and 9, further preferably, to increase the convenience of 44 operation of feeler lever, the top of feeler lever 44 is clamped
There is rotary drilling block 45.Further preferably, 45 lower inner of rotary drilling block is equipped with T-shaped card slot 451.The feeler lever 44 pushes up
Portion is equipped with T-shaped latch 441.The rotary drilling block 45 passes through T-shaped card slot 451 and 441 revotating card of T-shaped latch at the top of feeler lever 44
Connect.Further preferably, the arc-shaped structure in upper end of the rotary drilling block 45.
43 smart structural design of hobboing cutter of the present invention, hobboing cutter 43 includes carrier member 431 and broken wall part 432, by multiple broken walls
The mode that part 432 is connected through a screw thread is installed on the outside of the surrounding of carrier member 431, realizes broken wall part 432 and carrier member 431 is lived
Dynamic connection, broken wall part 432 is ground exterior broken rock face crushing collision, when 432 long-time service of broken wall part is damaged
After can directly by broken wall part 432 dismounting be re-replaced, it is not necessary to whole hobboing cutter 43 is scrapped, saved cost and
Improve installation effectiveness.The bottom of the tool apron 42 of the present invention is installed on cutterhead 41 by rotary moveable mechanism 6, is so realized
The automatic rotation function of tool apron 42, rotary moveable mechanism 6 can promote tool apron 42 and hobboing cutter 43 to be closed according to different broken rock faces
The position of reason is adjusted, and specific 61 upper end of tool apron 42 and spill spin block is fixed, stationary positioned column 62 on cutterhead 41, and positioning column 62 is interspersed
Enter in spill spin block 61 and be rotatablely connected with column spinner 61, travelling nut 64 is installed on the screw rod 631 of spacing workpiece 63, it is mobile
Nut 64 can lock spill spin block 61.The present invention has two kinds of operating modes：First, it is pre-adjusted the angle of spill spin block 61
So that the position of tool apron 42 is pre-adjusted, travelling nut 64 is then locked in the outside of spill spin block 61 so that spill spin block 61
It is locked；Second, adjusting the position of travelling nut 64, ensure that spill spin block 61 is not locked so that spill spin block 61 can be in external force
Rotation is carried out under squeezing action and realizes correction certainly, the present invention realizes the rotation of tool apron 42 from correcting, broken rock face is bonded, using more
Add flexibly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of hobboing cutter splits the anti-well drilling machine of type that gathers, including base support, telescoping drive mechanism, rotary drive mechanism, drilling rod,
Drill bit；The telescoping drive mechanism is installed on base support；The rotary drive mechanism is installed on telescoping drive mechanism
Upper end；The drilling rod bottom is installed on rotary drive mechanism；The drilling rod upper end installation drill bit；The drill bit includes
Cutterhead, tool apron, hobboing cutter, feeler lever；The cutterhead is installed on drilling rod upper end；The tool apron is installed on cutterhead upper end；Described
Hobboing cutter is installed on tool apron；The feeler lever is installed on the centre of cutterhead；The bottom of the tool apron passes through rotary moveable mechanism
On cutterhead；It is characterized in that, the hobboing cutter includes carrier member and broken wall part；The carrier member is in truncated cone-shaped knot
Structure；The exterior surrounding of the carrier member is uniformly distributed multiple threaded holes；The cylindrical structure of broken wall part；The broken wall
The outside of part is equipped with external screw thread；The broken wall part is threaded in the threaded hole of surrounding outside carrier member by external screw thread；Institute
The outboard end for the broken wall part stated is extended on the outside of the threaded hole of carrier member；The outboard end of the broken wall part is equipped with semicircle
The grinding block of structure.
2. hobboing cutter according to claim 1 splits the anti-well drilling machine of type that gathers, it is characterised in that the grinding block is by Buddha's warrior attendant
Stone material is made.
3. hobboing cutter according to claim 1 splits the anti-well drilling machine of type that gathers, it is characterised in that the threaded hole is along carrier
The axially inclined distribution of part.
4. hobboing cutter according to claim 1 splits the anti-well drilling machine of type that gathers, it is characterised in that the rotary moveable mechanism
Including positioning column, spill spin block, spacing workpiece, travelling nut；The lower end of the positioning column is fixed on cutterhead；The positioning
Column upper end is equipped with first through hole；The spill spin block upper end is fixed on tool apron bottom；The spill spin block extends upwardly from the bottom portion
There is inserting groove；The sidepiece of the spill spin block is equipped with the second through hole through its section；The spacing workpiece is in I-shaped knot
Structure；The spacing workpiece includes spill spin block limiting plate, screw rod, travelling nut limiting plate；The spill spin block limiting plate and shifting
Dynamic nut limiting plate is separately mounted to the both ends of screw rod；The positioning column upper end is plugged in the inserting groove of spill spin block bottom；
The first through hole and the second lead to the hole site correspond to；Screw rod in the spacing workpiece, which is worn, is connected on first through hole and the second through hole
On；The spill spin block limiting plate is connected to side outside spill spin block；The travelling nut limiting plate is located at outside spill spin block
Opposite side；The travelling nut is threadably mounted on screw rod；The travelling nut is located at travelling nut limiting plate and rotation
Between on the outside of block；The travelling nut rotational fastener spill spin block.
5. hobboing cutter according to claim 4 splits the anti-well drilling machine of type that gathers, it is characterised in that the rotary moveable mechanism
Further include compression spring；The compression spring is socketed on screw rod；The compression spring is located at travelling nut and spill spin block
Between.
6. hobboing cutter according to claim 1 splits the anti-well drilling machine of type that gathers, it is characterised in that clamping at the top of the feeler lever
There is rotary drilling block.
7. hobboing cutter according to claim 6 splits the anti-well drilling machine of type that gathers, it is characterised in that below the rotary drilling block
It is internally provided with T-shaped card slot；T-shaped latch is equipped with the top of the feeler lever；The rotary drilling block passes through T-shaped card slot and feeler lever top
T-shaped latch rotary clamping.
8. hobboing cutter according to claim 6 splits the anti-well drilling machine of type that gathers, it is characterised in that the rotary drilling block it is upper
Hold arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711123877.XA CN107905724A (en) | 2017-11-14 | 2017-11-14 | A kind of hobboing cutter splits the anti-well drilling machine of type that gathers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711123877.XA CN107905724A (en) | 2017-11-14 | 2017-11-14 | A kind of hobboing cutter splits the anti-well drilling machine of type that gathers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107905724A true CN107905724A (en) | 2018-04-13 |
Family
ID=61845426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711123877.XA Pending CN107905724A (en) | 2017-11-14 | 2017-11-14 | A kind of hobboing cutter splits the anti-well drilling machine of type that gathers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107905724A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318664A (en) * | 2019-04-29 | 2019-10-11 | 江苏和信石油机械有限公司 | A kind of flexible anti-well drilling machine of automatic drive type of grafting |
| WO2020093269A1 (en) * | 2018-11-06 | 2020-05-14 | 江苏和信石油机械有限公司 | Floating spacing adjustment-type reverse well drilling rig |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993147A (en) * | 1976-01-19 | 1976-11-23 | Dresser Industries, Inc. | Taper lock removable stem for raise bit |
| US4114698A (en) * | 1975-02-20 | 1978-09-19 | Smith International, Inc. | Method and apparatus for tunneling upwardly |
| CN204266927U (en) * | 2014-11-28 | 2015-04-15 | 湖南有色重型机器有限责任公司 | Raise boring machine reaming cutterhead |
| CN205689129U (en) * | 2016-06-23 | 2016-11-16 | 山东易斯特工程工具有限公司 | Inlay the tower Hob ring of hard alloy columnar |
| CN206477800U (en) * | 2017-02-16 | 2017-09-08 | 南昌力通岩土工程设备有限公司 | A kind of novel trans well bores hobboing cutter |
-
2017
- 2017-11-14 CN CN201711123877.XA patent/CN107905724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114698A (en) * | 1975-02-20 | 1978-09-19 | Smith International, Inc. | Method and apparatus for tunneling upwardly |
| US3993147A (en) * | 1976-01-19 | 1976-11-23 | Dresser Industries, Inc. | Taper lock removable stem for raise bit |
| CN204266927U (en) * | 2014-11-28 | 2015-04-15 | 湖南有色重型机器有限责任公司 | Raise boring machine reaming cutterhead |
| CN205689129U (en) * | 2016-06-23 | 2016-11-16 | 山东易斯特工程工具有限公司 | Inlay the tower Hob ring of hard alloy columnar |
| CN206477800U (en) * | 2017-02-16 | 2017-09-08 | 南昌力通岩土工程设备有限公司 | A kind of novel trans well bores hobboing cutter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093269A1 (en) * | 2018-11-06 | 2020-05-14 | 江苏和信石油机械有限公司 | Floating spacing adjustment-type reverse well drilling rig |
| CN110318664A (en) * | 2019-04-29 | 2019-10-11 | 江苏和信石油机械有限公司 | A kind of flexible anti-well drilling machine of automatic drive type of grafting |
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Application publication date: 20180413 |