CN110469274A - Coal drill bit - Google Patents
Coal drill bit Download PDFInfo
- Publication number
- CN110469274A CN110469274A CN201910790163.7A CN201910790163A CN110469274A CN 110469274 A CN110469274 A CN 110469274A CN 201910790163 A CN201910790163 A CN 201910790163A CN 110469274 A CN110469274 A CN 110469274A
- Authority
- CN
- China
- Prior art keywords
- hole
- connection
- baffle
- cutter head
- head portion
- 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
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005457 optimization Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008400 supply water 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
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
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 kind of Coal drill bits, the present invention includes drillstock, first cutter head portion and the second cutter head portion, one end of the drillstock is provided with and the butt joint for connecting with drilling rod, the other end of drillstock is provided with the first step for connecting the first cutter head portion and the second step for connecting the second cutter head portion, the cross section of the first step and the cross section of second step are polygon, and the size of first step is greater than the size of second step, the first cutter head portion includes the first connection frame and the first wing of a pair for being arranged on the first connection frame, first connection frame is slidably socketed on first step and is fixedly connected by fastening screw, second cutter head portion includes the second connection frame and the second wing for being arranged on the second connection frame, the polygonal hole to match with second step is provided in the middle part of second connection frame, second connection Frame is slidably socketed on second step and is connected by fastening screw.Versatility of the present invention is more preferable, is applicable in more extensive.
Description
Technical field
The present invention relates to coal mining technology fields, are specifically related to a kind of Coal drill bit.
Background technique
Coal drill bit is suitable for drill bit used when coal mining, and general Coal drill bit includes drillstock and two wings, existing
Exist in technology and drill through efficiency to improve, is provided with the Coal drill bit of multilayer wing, but between every layer of wing is fixed weldering
Connect mode, use scope is relatively small, without using when also need to change another normal drill bit.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of more extensive fabricated Coal drill bit of applicability.
To solve the above-mentioned problems, the present invention includes drillstock, the first cutter head portion and the second cutter head portion, and the one of the drillstock
End, which is provided with, is provided with the First for connecting the first cutter head portion with the butt joint for connecting with drilling rod, the other end of drillstock
Rank and second step for connecting the second cutter head portion, the cross section of the first step and the cross section of second step are
Polygon, and the size of first step is greater than the size of second step, the first cutter head portion includes the first connection frame and sets
The first wing of a pair on the first connection frame is set, is provided in first connection frame corresponding with first step polygon
Shape hole, the first connection frame are slidably socketed on first step and are fixedly connected by fastening screw, and the second cutter head portion includes second
Connection frame and the second wing being arranged on the second connection frame are provided in the middle part of the second connection frame and to match with second step
Polygonal hole, the second connection frame are slidably socketed on second step and are connected by fastening screw.
As optimization, it is provided with water channel in drillstock of the present invention, is arranged on the side wall of the first step
Have and water channel is connected first connect through-hole, is provided on the side wall of the second step and is connected with water channel
The second connection through-hole, be provided with the first cooling water channel in the first cutter head portion, be provided with the second cooling water channel in the second cutter head portion,
When the first cutter head portion is connected on first step, the first connection through-hole is connected to the first cooling water channel, when the second cutter head connects
When on second step, the second connection through-hole is connected to the second cooling water channel, is connected on the first connection through-hole with second
Switch control component is provided on through-hole.
As optimization, the switch control component on the first connection through-hole of the present invention includes the axial direction along drillstock
The first baffle being slidably arranged in first step, the lower end of first baffle are connected with the first guide rod, and the first guide rod with
The first spring is provided between first step, the first baffle, which exists, to be sheltered from the first connection through-hole completely and do not shelter from
First connection through-hole two states, when spring is in non-pressed state, first baffle gear connects on through-hole first, and first
Baffle is fixedly installed the first sealing ring close to the side of the first connection through-hole, when the first cutter head portion is connected on first step
When, the first cutter head subordinate presses first baffle to be in the state for not sheltering from the first connection through-hole, and first spring is in pressure
Contracting state；Switch control component on the described second connection through-hole includes being slidably arranged in second along the axial direction of drillstock
Second baffle in rank, the lower end of second baffle is connected with the second guide rod, and is arranged between the second guide rod and second step
There is second spring, the second baffle presence shelters from the second connection through-hole completely and do not shelter from two kinds of the second connection through-hole
State, when second spring is in non-pressed state, baffle gear is on the second connection through-hole, and second baffle is close to the second connection
The side of through-hole is fixedly installed the second sealing ring, when the second cutter head portion is connected on second step, the second cutter head subordinate pressure
Second baffle is in the state for not sheltering from the second connection through-hole, and the second spring is in compressive state.
As optimization, it is provided on the side wall of first step of the present invention first recessed for accommodating first baffle
Slot is provided with the first guide rod on first baffle, and the end of the first guide rod protrudes from the side wall of first step；Described second
It is provided with the second groove for accommodating second baffle on the side wall of step, is provided with the second guide rod on second baffle, second
The end of guide rod protrudes from the side wall of second step.
As optimization, positive stop lug boss is provided between first step and drillstock of the present invention.
The beneficial effects of the present invention are: the present invention is by setting first step and second step, first step and second
Rank is polygonized structure, and first step is for connecting the first cutter head portion, and second step is for connecting the second cutter head portion, then drill bit
In use process, it can be selected according to field working conditions using only a first cutter head portion of installation, only installation the second cutter head portion or simultaneously
First cutter head portion and the second cutter head portion are installed, versatility is more preferable, is applicable in more extensive.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the schematic elevation view of switch control component.
Wherein: 1, drillstock, 2, flange, the 3, first connection frame, the 4, first wing, the 5, second connection frame, the 6, second wing, 7,
First cooling water channel, 8, second step, 9, switch control component, 10, first step, the 11, first connection through-hole, 12, supply water it is logical
Road, 13, sealing ring, 14, first baffle, the 15, first guide rod, the 16, first spring.
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 also 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.
Coal drill bit as shown in Figure 1, including drillstock 1, the first cutter head portion and the second cutter head portion, one end of the drillstock 1
It is provided with and uses common structure in the prior art with the butt joint for connecting with drilling rod, the structure of the butt joint,
The other end of drillstock 1 is provided with the first step 10 for connecting the first cutter head portion and second for connecting the second cutter head portion
Rank 8, the cross section of the first step 10 and the cross section of second step 8 are polygon, and the size of first step 10
Greater than the size of second step 8, the first cutter head portion include first connection frame 3 and be arranged on the first connection frame 3 one
To the first wing 4, polygonal hole corresponding with first step 10, the first connection frame 3 are provided in first connection frame 3
It is slidably socketed on first step 10 and is fixedly connected by fastening screw, the second cutter head portion includes the second connection frame 5 and setting
The second wing 6 on the second connection frame 5, the middle part of the second connection frame 5 are provided with the polygon to match with second step 8
Hole, the second connection frame 5 are slidably socketed on second step 8 and are connected by fastening screw.
As shown in Figures 2 and 3, water channel 12, the first step 10 are provided in drillstock described in the present embodiment
Side wall on be provided with and water channel 12 is connected first connect through-hole 11, be arranged on the side wall of the second step 8
Have and water channel 12 is connected second connect through-hole, the first cooling water channel 7, the second cutter head portion are provided in the first cutter head portion
On be provided with the second cooling water channel, when the first cutter head portion is connected on first step 10, first connection through-hole with first cools down
Water channel 7 is connected to, and when the second cutter head is connected on second step, the second connection through-hole is connected to the second cooling water channel, described
Switch control component is provided on first connection through-hole 11 and on the second connection through-hole.On the first connection through-hole 11
Switch control component includes being slidably arranged in first baffle 14 in first step 10, first baffle along the axial direction of drillstock 1
14 lower end is connected with the first guide rod 15, and the first spring 16, institute are provided between the first guide rod 15 and first step 10
The first baffle 14 stated, which exists, to be sheltered from the first connection through-hole 11 completely and does not shelter from 11 two states of the first connection through-hole, when
When first spring 16 is in non-pressed state, the gear of first baffle 14 is on the first connection through-hole 11, and first baffle 14 is close to the
The side of one connection through-hole 11 is fixedly installed sealing ring 13, when the first cutter head portion is connected on first step 10, the first knife
Head pushes first baffle 14 and is in the state for not sheltering from the first connection through-hole 11, and first spring 16 is in compression shape
State is provided on the side wall of the first step 10 for accommodating first baffle 14 for the ease of switch control component 9 is arranged
The first groove, be provided with the first guide rod 15 on first baffle 14, the end of the first guide rod 15 protrudes from first step 10
Side wall.If without use the first cutter head portion, first connection through-hole 11 is blocked by the first plate washer 14, will not be discharged, when with
When to the first cutter head portion, when installing the first cutter head portion, first connection frame 3 in the first cutter head portion pushes first baffle 14, makes the
One baffle 14 is detached from the first connection through-hole 11, and water flow enters the first cooling in the first wing 4 by the first connection through-hole 11
In water channel 7.Switch control component on second connection through-hole is identical as the switch control modular construction on the first connection through-hole,
Structural reference Fig. 2 and Fig. 3, the switch control component on the second connection through-hole include setting along the axial direction sliding of drillstock
The second baffle in second step is set, the lower end of second baffle is connected with the second guide rod, and the second guide rod and second
It is provided with second spring between rank 8, the second baffle, which exists, to be sheltered from the second connection through-hole completely and do not shelter from second
Through-hole two states are connected, when second spring is in non-pressed state, second baffle gear connects on through-hole second, and second
Baffle is fixedly installed sealing ring close to the side of the second connection through-hole, when the second cutter head portion is connected on second step 8, the
Two cutter head subordinates press second baffle to be in the state for not sheltering from the second connection through-hole, and the second spring is in compression shape
State is provided with the second groove for accommodating second baffle on the side wall of the second step 8, is provided on second baffle
The end of two guide rods, the second guide rod protrudes from the side wall of second step.Similarly if without when using the second cutter head portion, the
Two connection through-holes are blocked by the second plate washer, will not be discharged, when using the second cutter head portion, when installing the second cutter head portion, and second
Second connection frame in cutter head portion pushes second baffle, and second baffle is made to be detached from the second connection through-hole, and water flow is logical by the second connection
Hole enters in the second cooling water channel in the second wing.
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 claims of the present invention and any technical field of meeting
The appropriate changes or modifications that those of ordinary skill does it, all shall fall within the protection scope of the present invention.
Claims (5)
1. a kind of Coal drill bit, it is characterised in that: including drillstock, the first cutter head portion and the second cutter head portion, one end of the drillstock
It is provided with and the butt joint for connecting with drilling rod, the other end of drillstock is provided with the first step for connecting the first cutter head portion
With the second step for connecting the second cutter head portion, the cross section of the first step and the cross section of second step are more
Side shape, and the size of first step is greater than the size of second step, the first cutter head portion includes the first connection frame and setting
The first wing of a pair on the first connection frame is provided with polygon corresponding with first step in first connection frame
Hole, the first connection frame are slidably socketed on first step and are fixedly connected by fastening screw, and the second cutter head portion includes the second company
The second wing for connecing frame and being arranged on the second connection frame, be provided in the middle part of the second connection frame match with second step it is more
Side shape hole, the second connection frame are slidably socketed on second step and are connected by fastening screw.
2. Coal drill bit according to claim 1, it is characterised in that: water channel is provided in the drillstock, it is described
It is provided on the side wall of first step and water channel is connected first connect through-hole, is set on the side wall of the second step
It is equipped with and water channel is connected second connect through-hole, the first cooling water channel, the second cutter head portion is provided in the first cutter head portion
On be provided with the second cooling water channel, when the first cutter head portion is connected on first step, the first connection through-hole and the first cooling water
Road connection, when the second cutter head is connected on second step, the second connection through-hole is connected to the second cooling water channel, and described first
Switch control component is provided on connection through-hole and on the second connection through-hole.
3. Coal drill bit according to claim 2, it is characterised in that: the switch control component on the first connection through-hole
It is slidably arranged in the first baffle in first step including the axial direction along drillstock, the lower end of first baffle is connected with first and leads
To bar, and the first spring is provided between the first guide rod and first step, the first baffle exists shelters from the completely
One connects through-hole and does not shelter from the first connection through-hole two states, and when spring is in non-pressed state, first baffle gear exists
On first connection through-hole, and first baffle is fixedly installed the first sealing ring close to the side of the first connection through-hole, when the first knife
When head is connected on first step, the first cutter head subordinate presses first baffle to be in the state for not sheltering from the first connection through-hole,
First spring is in compressive state；Switch control component on the second connection through-hole includes the axial direction along drillstock
Direction is slidably arranged in the second baffle in second step, and the lower end of second baffle is connected with the second guide rod, and the second guiding
Second spring is provided between bar and second step, the second baffle, which exists, to be sheltered from the second connection through-hole completely and do not hide
The second connection through-hole two states are blocked, when second spring is in non-pressed state, baffle gear connects on through-hole second, and
Second baffle is fixedly installed the second sealing ring close to the side of the second connection through-hole, when the second cutter head portion is connected to second step
When upper, the second cutter head subordinate presses second baffle to be in the state for not sheltering from the second connection through-hole, and the second spring is in
Compressive state.
4. Coal drill bit according to claim 3, it is characterised in that: be provided on the side wall of the first step for holding
It receives the first groove of first baffle, is provided with the first guide rod on first baffle, the end of the first guide rod protrudes from First
The side wall of rank；It is provided with the second groove for accommodating second baffle on the side wall of the second step, is set on second baffle
It is equipped with the second guide rod, the end of the second guide rod protrudes from the side wall of second step.
5. Coal drill bit according to claim 1, it is characterised in that: be provided with limit between the first step and drillstock
Boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790163.7A CN110469274A (en) | 2019-08-26 | 2019-08-26 | Coal drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910790163.7A CN110469274A (en) | 2019-08-26 | 2019-08-26 | Coal drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469274A true CN110469274A (en) | 2019-11-19 |
Family
ID=68512357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910790163.7A Pending CN110469274A (en) | 2019-08-26 | 2019-08-26 | Coal drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469274A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199956B1 (en) * | 1998-01-28 | 2001-03-13 | Betek Bergbau- Und Hartmetalltechnik Karl-Heinz-Simon Gmbh & Co. Kg | Round-shank bit for a coal cutting machine |
| CN201080785Y (en) * | 2007-10-19 | 2008-07-02 | 永城煤电集团有限责任公司 | Parallel coal drill |
| AU2011101267A4 (en) * | 2011-08-10 | 2011-11-17 | Australia Grt Darso Industry Development Pty Ltd | Polycrystalline diamond (PCD) anchor drill bit |
| CN103388454A (en) * | 2013-08-19 | 2013-11-13 | 武汉大学 | Bionic drill bit for mining |
| CN105041217A (en) * | 2015-04-22 | 2015-11-11 | 天地科技股份有限公司 | Anti-sloughing drilling tool for surrounding rocks of tunnel |
| DE102018001056A1 (en) * | 2018-02-07 | 2019-08-08 | Institut für innovative Technologien, Technologietransfer, Ausbildung und berufsbegleitende Weiterbildung (ITW) e. V. | Single-lip drill with replaceable head for deep drilling |
| CN210659947U (en) * | 2019-08-26 | 2020-06-02 | 山东源运通矿山装备科技有限公司 | Coal drill bit |
-
2019
- 2019-08-26 CN CN201910790163.7A patent/CN110469274A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6199956B1 (en) * | 1998-01-28 | 2001-03-13 | Betek Bergbau- Und Hartmetalltechnik Karl-Heinz-Simon Gmbh & Co. Kg | Round-shank bit for a coal cutting machine |
| CN201080785Y (en) * | 2007-10-19 | 2008-07-02 | 永城煤电集团有限责任公司 | Parallel coal drill |
| AU2011101267A4 (en) * | 2011-08-10 | 2011-11-17 | Australia Grt Darso Industry Development Pty Ltd | Polycrystalline diamond (PCD) anchor drill bit |
| CN103388454A (en) * | 2013-08-19 | 2013-11-13 | 武汉大学 | Bionic drill bit for mining |
| CN105041217A (en) * | 2015-04-22 | 2015-11-11 | 天地科技股份有限公司 | Anti-sloughing drilling tool for surrounding rocks of tunnel |
| DE102018001056A1 (en) * | 2018-02-07 | 2019-08-08 | Institut für innovative Technologien, Technologietransfer, Ausbildung und berufsbegleitende Weiterbildung (ITW) e. V. | Single-lip drill with replaceable head for deep drilling |
| CN210659947U (en) * | 2019-08-26 | 2020-06-02 | 山东源运通矿山装备科技有限公司 | Coal drill bit |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211123 Address after: 273500 west of middle section of West Outer Ring Road, Zoucheng City, Jining City, Shandong Province Applicant after: ZOUCHENG YANKUANG TAIDE INDUSTRY & TRADE Co.,Ltd. Address before: No.1860, middle section of xiwaihuan Road, Zoucheng City, Jining City, Shandong Province Applicant before: SHANDONG YUANYUNTONG MINING EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |