CN108825137A - Film coating drill bit for hard rocks - Google Patents
Film coating drill bit for hard rocks Download PDFInfo
- Publication number
- CN108825137A CN108825137A CN201810667620.9A CN201810667620A CN108825137A CN 108825137 A CN108825137 A CN 108825137A CN 201810667620 A CN201810667620 A CN 201810667620A CN 108825137 A CN108825137 A CN 108825137A
- Authority
- CN
- China
- Prior art keywords
- bit body
- bit
- connecting rod
- cutter head
- drill
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 27
- 239000007888 film coating Substances 0.000 title claims abstract description 16
- 238000009501 film coating Methods 0.000 title claims abstract description 16
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000009826 distribution Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 description 17
- 238000005457 optimization Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
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
Film coating drill bit for hard rocks,Including cutter head and bit body,There are two symmetrically arranged cutter heads for setting on the bit body,The cutter head is wear-resisting reinforced cutter head,The bit body is provided with the watch box alloy of circle distribution in the lower end for being located at cutter head,The bit body is internally provided with limbers,The lower end that bit body is located at cutter head, which is provided with, symmetrically arranged moves back drill blade,Drill blade is moved back to be mounted on bit body by shaft,The connecting rod of activity installation is provided on bit body,Connecting rod is circular configuration and limbers is arranged in center,The fixed block for preventing connecting rod and bit body from mutually rotating is provided in connecting rod upper end,Fixed block can be slided up and down along the sliding slot on bit body,Spring is provided between the lower end of fixing block and bit body,The drill bit can be realized quickly spudding in for mine,Simultaneously when moving back brill,Exiting for drill bit is fast implemented by moving back drill blade,Prevent drill bit from causing stuck phenomenon when exiting.
Description
Technical field
It spuds in technical field the present invention relates to mining, geological drilling, is specifically exactly a kind of film coating drill bit for hard rocks.
Background technique
Drill bit is in drilling process, directly and rock contact, the effects of passing through cutting, punching press fractured rock tool.It is existing
Mainly there are rock bit, PDC drill bit for drill bit widely used in drilling engineering（Polycrystalline
DiamondCompact Bits polycrystalline diamond compact bit）.Now, rock bit and PDC drill bit all have developed to quite
High level, but there are still some unconquerable problems.First is that being afraid of reaming and reaming hole, make the rock bit for sealing bearing, it is special
It is not PDC drill bit early damage；Second is that small to the movement of shaft bottom center rock, function is insufficient, and center rock is non-breakable, shadow
The main reason for rate of penetration of sound drill bit, rock bit and PDC bit central cloth tooth are few, easy to wear and drill bit fails.
The relevant tricone bit of background of the invention, single-cone rotary drill bit, PDC drill bit, composite drill bit feature are divided individually below
Analysis.
Due to the development in roadway surrounding rock crack, hole wall is often resulted in after drilling and is collapsed or even a wide range of collapse hole of perforated area,
So that drill bit and drilling rod are difficult to exit.When hole depth is larger, the drilling rod quantity in drilling is more, can not take out, cause after collapse hole
It loses that brill, to lose bar phenomenon serious, causes serious waste.And it is imbedded in the drilling rod in coal and rock and drill bit, it can be raw to safety of coal mines
It produces, the production of especially working face causes very big security risk.
Summary of the invention
The purpose of the present invention is to provide a kind of film coating drill bit for hard rocks, the drill bit can be realized quickly spudding in for mine, together
When moving back brill, fast implement exiting for drill bit by moving back drill blade, prevent drill bit from causing stuck phenomenon when exiting.
The technical scheme adopted by the invention to solve the technical problem is that：Film coating drill bit for hard rocks, including cutter head 1 and bit body
3, there are two symmetrically arranged cutter head 1, the cutter head 1 is wear-resisting reinforced cutter head, described for setting on the bit body 3
Bit body 3 is provided with the watch box alloy 2 of circle distribution in the lower end for being located at cutter head 1, and being internally provided with for the bit body 3 is logical
Water hole 4, the lower end that the bit body 3 is located at cutter head 1 be provided with it is symmetrically arranged move back drill blade 6, it is described that move back drill blade 6 logical
It crosses shaft 7 to be mounted on bit body 3, the connecting rod 8 of activity installation is provided on the bit body 3, the connecting rod 8 is
Circular configuration and center setting limbers 4, being provided in 8 upper end of connecting rod prevents connecting rod 8 and bit body 3 from mutually turning
Dynamic fixed block 9, the fixed block 9 can be slided up and down along the sliding slot on bit body 3,9 lower end of fixed block with
Spring 10 is provided between bit body 3, the spring 10 is located inside the sliding slot of bit body 3 and the upper and lower ends of spring 10
It is inserted into corresponding inside configuration.
As optimization, the described drill blade 6 that moves back is arcuate structure, the bit body 3 and the position moving back drill blade 6 and contacting
It also is arcuate structure, the drill blade 6 that moves back is mounted in a non-operative state under the arcuate structure of 3 lower end of bit body.
As optimization, the connecting rod 8 can be moved up and down along bit body 3, when spring 10 is located at relaxation state, institute
The upper end for the connecting rod 8 stated is contacted with the top of 3 upper hopper chute of bit body.
As optimization, the connecting rod 8 can be moved up and down along bit body 3, when spring 10 is located at impaction state, institute
The upper end for the connecting rod 8 stated is contacted with the bottom of 3 upper hopper chute of bit body.
As optimization, the lower end of the connecting rod 8 is provided with external screw thread 5, and the connecting rod 8 and drill rod thread connect
It connects.
Described when moving back drill blade 6 and being located at contraction state as optimization, the diameter of the cutter head 1 is greater than described move back
The diameter of drill blade 6.
The beneficial effects of the invention are as follows：Compared with prior art, a kind of film coating drill bit for hard rocks of the invention, by drilling well
The cutter head of Shi Qianduan realizes that in withdrawing, bit body is integrally moved backward, and connecting rod also can be along bit body to the drilling of mine
It moves backward, the spring in connecting rod is in compressive state, when connecting rod moves back, moves back drill blade and rotates along shaft, be in
Open configuration moves back drill blade in bit body rotation and also bore to the slag inside mine dynamic, realizes that the entirety of drill bit exits,
Improve the working efficiency of drill bit.
Detailed description of the invention
Fig. 1 is 1 structure chart of the embodiment of the present invention；
Fig. 2 is 2 structure chart of the embodiment of the present invention；
Wherein, drill blade, 7 shafts, 8 connecting rods, 9 solid is moved back in 1 cutter head, 2 watch box alloys, 3 bit bodys, 4 limbers, 5 external screw threads, 6
Determine block, 10 springs.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In embodiment as shown in Figure 1, film coating drill bit for hard rocks, including cutter head 1 and bit body 3 is arranged on the bit body 3
There are two symmetrically arranged cutter head 1, the cutter head 1 is wear-resisting reinforced cutter head, and the bit body 3 is being located at cutter head 1
Lower end is provided with the watch box alloy 2 of circle distribution, and the bit body 3 is internally provided with limbers 4, the bit body 3
Positioned at the lower end of cutter head 1 be provided with it is symmetrically arranged move back drill blade 6, the drill blade 6 that moves back is mounted on bit body by shaft 7
On 3, the connecting rod 8 of activity installation is provided on the bit body 3, the connecting rod 8 is circular configuration and centre bit
Limbers 4 is installed, the fixed block 9 for preventing connecting rod 8 and bit body 3 from mutually rotating is provided in 8 upper end of connecting rod, it is described
Fixed block 9 can be slided up and down along the sliding slot on bit body 3, be provided with bullet between 9 lower end of fixed block and bit body 3
Spring 10, the spring 10 is located inside the sliding slot of bit body 3 and the upper and lower ends of spring 10 are inserted into corresponding structure
Portion.
In Fig. 1, moves back drill blade and be mutually fitted with bit body, connecting rod movable part all gos deep into bit body at this time
Inside, drill bit is in drilling state at this time, moves back drill blade at this time without operation, spring is in relaxation state, resistance to by hard rock
Crusher drill realizes the drilling to mine.
The drill blade 6 that moves back is arcuate structure, and the bit body 3 is also arc with the position that drill blade 6 contacts is moved back
Structure, the drill blade 6 that moves back are mounted in a non-operative state under the arcuate structure of 3 lower end of bit body.
The connecting rod 8 can be moved up and down along bit body 3, when spring 10 is located at relaxation state, the connection
The upper end of bar 8 is contacted with the top of 3 upper hopper chute of bit body.
The connecting rod 8 can be moved up and down along bit body 3, when spring 10 is located at impaction state, the connection
The upper end of bar 8 is contacted with the bottom of 3 upper hopper chute of bit body.
The lower end of the connecting rod 8 is provided with external screw thread 5, and the connecting rod 8 is connect with drill rod thread.
Described when moving back drill blade 6 and being located at contraction state, the diameter of the cutter head 1 is greater than the described drill blade 6 that moves back
Diameter.
A kind of film coating drill bit for hard rocks of the invention is realized to the drilling of mine by the cutter head of the front end in drilling well, is being moved back
When knife, bit body is integrally moved backward, and connecting rod can also be moved backward along bit body, and the spring in connecting rod is in compression shape
State is moved back drill blade and is rotated along shaft when connecting rod moves back, and is in open configuration, moves back drill blade in bit body rotation
Slag inside mine bore and is moved, realizes that the entirety of drill bit exits, improves the working efficiency of drill bit.
In another embodiment as shown in Figure 2, film coating drill bit for hard rocks, including cutter head 1 and bit body 3, the drill bit
There are two symmetrically arranged cutter head 1, the cutter head 1 is wear-resisting reinforced cutter head for setting on body 3, and the bit body 3 is in place
The lower end of cutter head 1 is provided with the watch box alloy 2 of circle distribution, the bit body 3 is internally provided with limbers 4, described
Bit body 3 be located at cutter head 1 lower end be provided with it is symmetrically arranged move back drill blade 6, the drill blade 6 that moves back is pacified by shaft 7
On bit body 3, the connecting rod 8 of activity installation is provided on the bit body 3, the connecting rod 8 is circular configuration
And limbers 4 is arranged in center, and the fixation for preventing connecting rod 8 and bit body 3 from mutually rotating is provided in 8 upper end of connecting rod
Block 9, the fixed block 9 can be slided up and down along the sliding slot on bit body 3,9 lower end of fixed block and bit body 3 it
Between be provided with spring 10, the spring 10 is located inside the sliding slot of bit body 3 and the upper and lower ends of spring 10 are inserted into pair
The inside configuration answered
It in Fig. 2, after the completion of drillng operation, needs to carry out on drill bit to move back brill, when moving back brill, drives drill bit to remove by drilling rod and bore
Well, drilling rod move back, and the connecting rod on drill bit is driven to move back, and connecting rod is moved back relative to bit body, and spring is in compression shape at this time
State, spring-compressed, the fixed block in connecting rod, which compresses downwards, moves back drill blade, moves back drill blade and slowly opens, is moved back by connecting rod,
Fixed block is driven to move back, realization struts the symmetrical drill blade that moves back, and drives in bit and rotates to drill blade, realizes
Slag inside drilling is purged, ensure that the entirety of drill bit exits mine at this time.
Above-mentioned specific embodiment is only specific case of the invention, and scope of patent protection of the invention includes but is not limited to
The product form and style of above-mentioned specific embodiment, any ordinary skill people for meeting the present invention and any technical field
The appropriate changes or modifications that member does it, all shall fall within the protection scope of the present invention.
Claims (6)
1. film coating drill bit for hard rocks, including cutter head（1）And bit body（3）, it is characterised in that：The bit body（3）On be provided with
Two symmetrically arranged cutter heads（1）, the cutter head（1）For wear-resisting reinforced cutter head, the bit body（3）It is being located at cutter head
（1）Lower end be provided with the watch box alloy of circle distribution（2）, the bit body（3）Be internally provided with limbers（4）, institute
The bit body stated（3）Positioned at cutter head（1）Lower end be provided with and symmetrically arranged move back drill blade（6）, described moves back drill blade（6）It is logical
Cross shaft（7）It is mounted on bit body（3）On, the bit body（3）On be provided with activity installation connecting rod（8）, described
Connecting rod（8）For circular configuration and limbers is arranged in center（4）, in connecting rod（8）Upper end, which is provided with, prevents connecting rod
（8）With bit body（3）The fixed block mutually rotated（9）, the fixed block（9）It can be along bit body（3）On sliding slot on
Lower slider, in the fixed block（9）Lower end and bit body（3）Between be provided with spring（10）, the spring（10）Positioned at brill
Head body（3）Sliding slot inside and spring（10）Upper and lower ends be inserted into corresponding inside configuration.
2. film coating drill bit for hard rocks according to claim 1, it is characterised in that：Described moves back drill blade（6）For arcuate structure,
The bit body（3）With move back drill blade（6）The position of contact is also arcuate structure, and described moves back drill blade（6）In inoperative
Bit body is mounted under state（3）Under the arcuate structure of lower end.
3. film coating drill bit for hard rocks according to claim 1, it is characterised in that：The connecting rod（8）It can be along bit body
（3）It moves up and down, in spring（10）When positioned at relaxation state, the connecting rod（8）Upper end and bit body（3）Upper hopper chute
Topmost contact.
4. film coating drill bit for hard rocks according to claim 1, it is characterised in that：The connecting rod（8）It can be along bit body
（3）It moves up and down, in spring（10）When positioned at impaction state, the connecting rod（8）Upper end and bit body（3）Upper hopper chute
Bottom contact.
5. film coating drill bit for hard rocks according to claim 1, it is characterised in that：The connecting rod（8）Lower end be provided with
External screw thread（5）, the connecting rod（8）It is connect with drill rod thread.
6. film coating drill bit for hard rocks according to claim 1, it is characterised in that：Described moves back drill blade（6）Positioned at contraction-like
When state, the cutter head（1）Diameter be greater than and described move back drill blade（6）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667620.9A CN108825137B (en) | 2018-06-26 | 2018-06-26 | Hard rock coating drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667620.9A CN108825137B (en) | 2018-06-26 | 2018-06-26 | Hard rock coating drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825137A true CN108825137A (en) | 2018-11-16 |
| CN108825137B CN108825137B (en) | 2020-01-10 |
Family
ID=64137545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810667620.9A Active CN108825137B (en) | 2018-06-26 | 2018-06-26 | Hard rock coating drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296320A (en) * | 2018-12-18 | 2019-02-01 | 邹城兖矿泰德工贸有限公司 | Diamond coated drill bit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309416Y (en) * | 1997-11-16 | 1999-03-03 | 招远市水利建设工程公司 | Gravel drill |
| CN101158269A (en) * | 2007-11-01 | 2008-04-09 | 合肥工业大学 | Method for drilling roadbed small-caliber horizontal jacking pipe and drill bit |
| CN201723156U (en) * | 2010-06-29 | 2011-01-26 | 邹城兖矿泰德工贸有限公司 | Film coating drill bit for hard rocks |
| CN204266925U (en) * | 2014-11-13 | 2015-04-15 | 天地科技股份有限公司 | A kind of coal mine roadway rock-reinforcing anti-collapse hole drill head |
-
2018
- 2018-06-26 CN CN201810667620.9A patent/CN108825137B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2309416Y (en) * | 1997-11-16 | 1999-03-03 | 招远市水利建设工程公司 | Gravel drill |
| CN101158269A (en) * | 2007-11-01 | 2008-04-09 | 合肥工业大学 | Method for drilling roadbed small-caliber horizontal jacking pipe and drill bit |
| CN201723156U (en) * | 2010-06-29 | 2011-01-26 | 邹城兖矿泰德工贸有限公司 | Film coating drill bit for hard rocks |
| CN204266925U (en) * | 2014-11-13 | 2015-04-15 | 天地科技股份有限公司 | A kind of coal mine roadway rock-reinforcing anti-collapse hole drill head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109296320A (en) * | 2018-12-18 | 2019-02-01 | 邹城兖矿泰德工贸有限公司 | Diamond coated drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108825137B (en) | 2020-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hard rock coated bit Effective date of registration: 20211222 Granted publication date: 20200110 Pledgee: Bank of China Limited Zoucheng sub branch Pledgor: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Registration number: Y2021980015741 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee after: Shandong Yanneng Taide Heavy Industry Co.,Ltd. Address before: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Patentee before: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |