CN108915596A - Combined broaching bit for mine - Google Patents
Combined broaching bit for mine Download PDFInfo
- Publication number
- CN108915596A CN108915596A CN201810731786.2A CN201810731786A CN108915596A CN 108915596 A CN108915596 A CN 108915596A CN 201810731786 A CN201810731786 A CN 201810731786A CN 108915596 A CN108915596 A CN 108915596A
- Authority
- CN
- China
- Prior art keywords
- limbers
- level
- drill bit
- main shaft
- bit
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 11
- 239000000428 dust Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
-
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
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 belongs to bit technique fields, and in particular to a kind of combined broaching bit for mine；Its structure includes main shaft, level-one drill bit, second level drill bit and three-level drill bit；Main shaft includes forward spindle and rear main shaft, and forward spindle and rear main shaft are coaxially disposed and are threadedly coupled；The tapering of level-one drill bit is threadedly coupled with the left end of forward spindle；Second level drill bit, which is provided with, to be threadedly coupled with forward spindle close to right end side；Three-level drill bit is provided with to be threadedly coupled with rear main shaft left end；Limbers is offered inside main shaft, limbers penetrates through entire main shaft and level-one drill bit；Limbers is followed successively by level-one limbers, second level limbers and the three-level limbers that diameter is sequentially increased from left to right, is conducive to buffer circulation of the water flow in limbers；Anti-clogging is provided in limbers, for wiping limbers inner wall；This reaming bit can quick-replaceable drill bit, and effectively reduce the high temperature as caused by frictional force in boring procedure, extend the service life of drill bit, improve drilling efficiency.
Description
Technical field
The invention belongs to bit technique fields, and in particular to a kind of combined broaching bit for mine.
Background technique
Reaming bit is the boring bar tool for carrying out reaming to processing hole in machining, in construction, it usually needs drill out
The processing hole of different-diameter, while to supply water in dust removal in boring procedure, it is damaged with reducing since frictional force leads to drill bit high temperature
Bad phenomenon.Classification reaming construction and more bit change are carried out for convenience, occur various reaming bits in the market.In
State patent CN201610263121.4 discloses one kind and discloses a kind of reaming bit, including the first cutting edge, the second cutting edge,
Third cutting edge, the 4th cutting edge, Morse taper shank, lateral surface cooling hole, cutting slot, center cooling hole；Reaming bit center is cold
But hole and lateral surface cooling hole, so that the first cutting edge for assuming responsibility for most resistance to cutting and heat has obtained utmostly
Cooling solves nickel base heat resistant and closes the phenomenon for generating and melting and being attached on drilling tool, extends the service life of drill bit；Reamer
Head is provided with the second cutting edge, third cutting edge and the 4th cutting edge, can complete the one-pass molding of reaming and fraising, improve
Production efficiency, multiple cutting edges make the roughness of hole surface higher；Reaming bit is provided with Morse taper shank, ensure that existing add
The interchangeability of construction equipment, it is applied widely.Chinese patent CN201620676240.8 discloses a kind of coal mine with replaceable group
Bench drill head, including directed stage, level-one reaming bit, secondary chambering drill bit and bit sub, level-one reaming bit, secondary chambering drill bit
It is removably set on bit sub and is rotated with bit sub, directed stage is threadingly attached to use on the bit sub and simultaneously
In the fixation secondary chambering drill bit and level-one reaming bit, solve that conventional drill is non-exchange, drilling efficiency is low, deslagging
Slowly, the problems such as intensity is low, utilization rate is low.To further facilitate more bit change, and limbers can be wiped, to avoid length
The phenomenon that phase use causes the excessive dust of limbers inner wall indwelling and causes water flowing hole plug, effectively reduce in boring procedure by
The high temperature caused by frictional force extends the service life of drill bit, it is necessary to design a kind of mining reaming bit.
Summary of the invention
Goal of the invention of the invention is to overcome disadvantage of the existing technology, proposes to design a kind of mining combination reamer
Head, can quick-replaceable drill bit, and effectively reduce the high temperature as caused by frictional force in boring procedure, extend making for drill bit
With the service life, drilling efficiency is improved.
Combined broaching bit for mine of the present invention, main structure include with externally threaded main shaft, level-one drill bit,
Second level drill bit and three-level drill bit；The main shaft includes forward spindle and rear main shaft, and forward spindle and rear main shaft are coaxially disposed, forward spindle
Diameter be less than the diameter of rear main shaft, forward spindle right end is threadedly coupled with rear main shaft left end；The tapering of the level-one drill bit is set
It is equipped with the internal screw thread being used cooperatively with the external screw thread, is threadedly coupled with the left end of forward spindle；The second level drill bit is provided with
The internal screw thread being used cooperatively with the external screw thread is threadedly coupled with forward spindle close to right end side；The three-level drill bit setting
There is the internal screw thread being used cooperatively with the external screw thread, is threadedly coupled with rear main shaft left end；Limbers, water flowing are offered inside main shaft
Hole penetrates through entire main shaft and level-one drill bit；Limbers is followed successively by level-one limbers, second level limbers and three-level water flowing from left to right
Hole；The diameter of level-one limbers, second level limbers and three-level limbers is sequentially increased, and is conducive to buffer water flow in limbers
Circulation；It is provided with anti-clogging in the limbers, for wiping limbers inner wall, prevents water flowing hole plug.
Further, the anti-clogging includes link block, telescopic rod and cleaning and polishing end；The link block both ends pass through hard
Matter spring is fixedly connected with cleaning and polishing end；The central location of link block is fixedly installed telescopic rod；The telescopic rod includes first
Connecting rod, the second connecting rod and third connecting rod；Location hole a, the second connection are evenly arranged on first connecting rod from top to bottom
Bar is provided with the resilient key a being used cooperatively with location hole a close to the side of bottom；In second connecting rod from top to bottom uniformly
It is provided with location hole b, third connecting rod is provided with the resilient key b being used cooperatively with location hole b close to the side of bottom；The
Three connecting rod upper ends and cylindrical fixed link are hinged, and cylindrical fixture block is fixedly installed in fixed link；The left side of the main shaft
It is provided with recessed portion on face, the card bucket of the hollow structure for being clamped fixture block is fixedly installed on recessed portion.
Further, the depth of the recessed portion is equal to the sum of height and diameter of fixed link of card bucket, works as anti-clogging
After being fixed by card bucket, to reduce the occupancy in space.
Further, the cleaning and polishing end is made of rubber material；The hard spring and three-level of the link block two sides
Limbers inner wall is in close contact, when cleaning and polishing end sequentially enters second level limbers and level-one limbers, the hard bullet of link block two sides
Spring wipes second level limbers and level-one limbers inner wall to connection Block direction compression.
Further, second connecting rod and third connecting rod bottom are provided with block, for preventing two connections
Break-off occurs between bar and first connecting rod, the second connecting rod and third connecting rod, guarantees the normal use of telescopic rod.
Further, junction, second level limbers and the three-level limbers of the level-one limbers and second level limbers
Junction be flared structure, to reduce the resistance of water flow.
Further, the drainage channel with limbers perforation is respectively arranged on the second level drill bit and three-level drill bit,
Lower section is obliquely installed drainage channel to the left, and the angle of drainage channel and limbers is 30-60 degree, guarantees that water flow is suitable by drainage channel
Benefit discharge.
Compared with prior art, the present invention having the following advantages that：Combined broaching bit for mine of the present invention, before
The mode that main shaft is connected with rear spindle thread improves the replacement speed of drill bit, when needing replacing second level drill bit, directly will before
Main shaft is separated with rear main shaft, is replaced to second level drill bit, and replacement finishes, and directly connects forward spindle i.e. with rear spindle thread
Can, it is convenient and efficient；Anticlogging setting in limbers effectively realizes while avoiding intaking to limbers to limbers
Comprehensive wiping of inner wall is avoided because being used for a long time, and limbers inner wall indwelling has excessive dust or impurity, avoids limbers
Blocking, ensure that water in dust removal flows smoothly in limbers；The setting of hard spring is realized to the comprehensive of multistage limbers
Wiping, telescopic rod are fixed length by location hole and resilient key, and easy to adjust, overall construction design is reasonable, convenient for operating,
Improve the overall performance of drill bit.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention；
Fig. 2 is the portion A enlarged drawing of the invention；
Fig. 3 is main shaft schematic cross-sectional view of the invention；
Fig. 4 is first connecting rod enlarged drawing of the invention；
Fig. 5 is the second connecting rod enlarged drawing of the invention；
Fig. 6 is third connecting rod enlarged drawing of the invention；
Fig. 7 is the portion B enlarged drawing of the invention；
Wherein, main shaft 1, level-one drill bit 2, second level drill bit 3, three-level drill bit 4, limbers 5, anti-clogging 6, block 7, drainage channel 8,
Forward spindle 101, rear main shaft 102, recessed portion 103, card bucket 104, level-one limbers 501, second level limbers 502, three-level limbers
503, link block 61, telescopic rod 62, cleaning and polishing end 63, hard spring 64, first connecting rod 621, the second connecting rod 622, third connect
Extension bar 623, location hole a624, resilient key a625, location hole b626, resilient key b627, fixed link 628, fixture block 629.
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.
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
Embodiment：
Combined broaching bit for mine described in the present embodiment, main structure include with externally threaded main shaft 1, level-one drill bit 2,
Second level drill bit 3 and three-level drill bit 4；The main shaft 1 includes forward spindle 101 and rear main shaft 102, forward spindle 101 and rear main shaft 102
Coaxial arrangement, the diameter of forward spindle 101 are less than the diameter of rear main shaft 102,101 right end of forward spindle and rear 102 left end screw thread of main shaft
Connection；The tapering of the level-one drill bit 2 is provided with the internal screw thread being used cooperatively with the external screw thread, the left side with forward spindle 101
End is threadedly coupled；The second level drill bit 3 is provided with the internal screw thread being used cooperatively with the external screw thread, close with forward spindle 101
Right end side is threadedly coupled；The three-level drill bit 4 is provided with the internal screw thread being used cooperatively with the external screw thread, with rear main shaft
102 left ends are threadedly coupled；Limbers 5 is offered inside main shaft 1, limbers 5 penetrates through entire main shaft 1 and level-one drill bit 2；Limbers
5 are followed successively by level-one limbers 501, second level limbers 502 and three-level limbers 503 from left to right；Level-one limbers 501, second level
The diameter of limbers 502 and three-level limbers 503 is sequentially increased, and is conducive to buffer circulation of the water flow in limbers 5；Described
It is provided with anti-clogging 6 in limbers 5, for wiping 5 inner wall of limbers, prevents limbers 5 from blocking.
Anti-clogging 6 described in the present embodiment includes link block 61, telescopic rod 62 and cleaning and polishing end 63；61 liang of the link block
End is fixedly connected by hard spring 64 with cleaning and polishing end 63；The central location of link block 61 is fixedly installed telescopic rod 62；It is described
Telescopic rod 62 include first connecting rod 621, the second connecting rod 622 and third connecting rod 623；From upper on first connecting rod 621
Location hole a624 is evenly arranged under and, the second connecting rod 622 is provided with one close to the side of bottom and matches with location hole a624
Close the resilient key a625 used；Location hole b626, third connecting rod 623 are evenly arranged in second connecting rod 622 from top to bottom
Side close to bottom is provided with the resilient key b627 being used cooperatively with location hole b626；623 upper end of third connecting rod with
Cylindrical fixed link 628 is hinged, and cylindrical fixture block 629 is fixedly installed in fixed link 628；On the left side of the main shaft 1
It is provided with recessed portion 103, the card bucket 104 of the hollow structure for being clamped fixture block 629 is fixedly installed on recessed portion 103；It is described
The depth of recessed portion 103 be equal to the height and the sum of diameter of fixed link 628 of card bucket 104, when anti-clogging 6 passes through card bucket 104
After fixation, to reduce the occupancy in space；The cleaning and polishing end 63 is made of rubber material；The hard of 61 two sides of link block
Spring 64 and 503 inner wall of three-level limbers are in close contact, when cleaning and polishing end 63 sequentially enters second level limbers 502 and level-one limbers
501, the hard spring 64 of 61 two sides of link block is compressed to 61 direction of link block, and to second level limbers 502 and level-one limbers
501 inner walls are wiped；Second connecting rod 622 and 623 bottom of third connecting rod is provided with block 7, for preventing
Break-off occurs between two connecting rods 622 and first connecting rod 621, the second connecting rod 622 and third connecting rod 623, guarantees
The normal use of telescopic rod 62；The junction of the level-one limbers 501 and second level limbers 502, second level limbers 502 with
The junction of three-level limbers 503 is flared structure, to reduce the resistance of water flow；The second level drill bit 3 and three-level are bored
Be respectively arranged on first 4 with limbers 5 penetrate through drainage channel 8, drainage channel 8 to the left lower section be obliquely installed, drainage channel 8 with
The angle of limbers 5 is 30-60 degree, guarantees that water flow is smoothly discharged by drainage channel 8.
When the present embodiment is in use, the tapering of level-one drill bit 2 and the left end of forward spindle 101 are connected and fixed, then by second level
Drill bit 3 is threadedly coupled with forward spindle 101 close to right end side；Then 101 right end of forward spindle is connect with rear 102 left end of main shaft solid
It is fixed, three-level drill bit 4 and rear 102 left end of main shaft are connected and fixed, due to what is be threadedly coupled using forward spindle 101 and rear main shaft 102
Mode is arranged instead of original integrated spindle axisization, so that when replacement second level drill bit 3, without dismantling three-level drill bit 4, so that more
It is more flexible convenient to change, to improve drilling efficiency；In boring procedure, water in dust removal flows into limbers 5, and drills respectively from level-one
2 and drainage channel 8 flow out, to be dusted to drill bit, to prevent from causing 5 inner wall indwelling of limbers excessive due to being used for a long time
Dust installs anti-clogging 6 in water flowing is empty, and 6 bottom of anti-clogging is in the case where the hard spring 64 of 61 two sides of link block acts on, with three-level
503 inner wall of limbers is in close contact, and when needing to wipe, fixture block 629 is taken out from card bucket 104, telescopic rod 62 is retractable to
Required length, and pass through the mating reaction of location hole and resilient key, 62 length of telescopic rod is fixed, then by anti-clogging 62 logical
It stretches in water hole 5, is rotated while flexible back and forth, can be wiped comprehensively to 5 inner wall of limbers, when link block 61
When sequentially entering second level limbers 502, level-one limbers 501 by three-level limbers 503, second level limbers 502 and level-one water flowing
Hard spring further progress is compressed in hole 501, so that cleaning and polishing end 63 and second level limbers 502 and level-one limbers 501 is interior
Wall close contact, comprehensive wiping of the realization to 501 inner wall of second level limbers 502 and level-one limbers, location hole and resilient key
Compounding practice saves space so that telescopic rod 62 can easily be accommodated, and when 6 use of anti-clogging finishes, fixture block 629 is fixed on card bucket
In 104, so that the position of anti-clogging 6 is fixed, the cleaning and polishing end 63 of anti-clogging 6 is two sides setting, is avoided to limbers 5
The influence of middle water in dust removal circulation, and can be fixed by anti-clogging 6 by the cooperation of fixture block 629 and card bucket 104, easily disassembled and peace
Dress, improves integrated operation performance and working efficiency.
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 (7)
1. combined broaching bit for mine, main structure includes having externally threaded main shaft（1）, level-one drill bit（2）, second level drill bit
（3）With three-level drill bit（4）；It is characterized in that：The main shaft（1）Including forward spindle（101）With rear main shaft（102）, forward spindle
（101）With rear main shaft（102）Coaxial arrangement, forward spindle（101）Diameter be less than rear main shaft（102）Diameter, forward spindle（101）
Right end and rear main shaft（102）Left end is threadedly coupled；The level-one drill bit（2）Tapering be provided with the external screw thread cooperation make
Internal screw thread, with forward spindle（101）Left end be threadedly coupled；The second level drill bit（3）It is provided with and matches with the external screw thread
The internal screw thread used is closed, with forward spindle（101）It is threadedly coupled close to right end side；The three-level drill bit（4）It is provided with and institute
The internal screw thread that external screw thread is used cooperatively is stated, with rear main shaft（102）Left end is threadedly coupled；Main shaft（1）Inside offers limbers
（5）, limbers（5）Penetrate through entire main shaft（1）With level-one drill bit（2）；Limbers（5）It is followed successively by level-one limbers from left to right
（501）, second level limbers（502）With three-level limbers（503）；Level-one limbers（501）, second level limbers（502）And three-level
Limbers（503）Diameter be sequentially increased, be conducive to buffer water flow in limbers（5）In circulation；The limbers（5）It is interior
It is provided with anti-clogging（6）, for wiping limbers（5）Inner wall prevents limbers（5）Blocking.
2. combined broaching bit for mine according to claim 1, it is characterised in that：The anti-clogging（6）Including connection
Block（61）, telescopic rod（62）And cleaning and polishing end（63）；The link block（61）Both ends pass through hard spring（64）With cleaning and polishing end
（63）It is fixedly connected；Link block（61）Central location be fixedly installed telescopic rod（62）；The telescopic rod（62）Including
One connecting rod（621）, the second connecting rod（622）With third connecting rod（623）；First connecting rod（621）On from top to bottom uniformly
It is provided with location hole a（624）, the second connecting rod（622）Side close to bottom is provided with one and location hole a（624）Cooperation
The resilient key a used（625）；Second connecting rod（622）On be evenly arranged with location hole b from top to bottom（626）, third connecting rod
（623）Side close to bottom is provided with one and location hole b（626）The resilient key b being used cooperatively（627）；Third connecting rod
（623）Upper end and cylindrical fixed link（628）Hingedly, fixed link（628）On be fixedly installed cylindrical fixture block（629）；It is described
Main shaft（1）Left side on be provided with recessed portion（103）, recessed portion（103）On be fixedly installed for being clamped fixture block（629）
Hollow structure card bucket（104）.
3. combined broaching bit for mine according to claim 2, it is characterised in that：The recessed portion（103）Depth
Equal to card bucket（104）Height and fixed link（628）The sum of diameter.
4. combined broaching bit for mine according to claim 2, it is characterised in that：The cleaning and polishing end（63）By rubber material
Material is made；The link block（61）The hard spring of two sides（64）With three-level limbers（503）Inner wall is in close contact, and works as wiping
End（63）Sequentially enter second level limbers（502）With level-one limbers（501）, link block（61）The hard spring of two sides（64）To
Link block（61）Direction compression, and to second level limbers（502）With level-one limbers（501）Inner wall is wiped.
5. combined broaching bit for mine according to claim 2, it is characterised in that：Second connecting rod（622）With
Third connecting rod（623）Bottom is provided with block（7）.
6. combined broaching bit for mine according to claim 1, it is characterised in that：The level-one limbers（501）With
Second level limbers（502）Junction, second level limbers（502）With three-level limbers（503）Junction be tubaeform knot
Structure.
7. combined broaching bit for mine according to claim 1, it is characterised in that：The second level drill bit（3）And three-level
Drill bit（4）On be respectively arranged with and limbers（5）The drainage channel of perforation（8）, drainage channel（8）Lower section is obliquely installed to the left,
Drainage channel（8）With limbers（5）Angle be 30-60 degree, guarantee water flow by drainage channel（8）It is smoothly discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731786.2A CN108915596B (en) | 2018-07-05 | 2018-07-05 | combined hole expanding drill bit for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810731786.2A CN108915596B (en) | 2018-07-05 | 2018-07-05 | combined hole expanding drill bit for mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915596A true CN108915596A (en) | 2018-11-30 |
| CN108915596B CN108915596B (en) | 2019-12-06 |
Family
ID=64425337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810731786.2A Active CN108915596B (en) | 2018-07-05 | 2018-07-05 | combined hole expanding drill bit for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915596B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882079A (en) * | 2019-03-15 | 2019-06-14 | 邹城兖矿泰德工贸有限公司 | Spiral alloy bit |
| CN110331939A (en) * | 2019-07-10 | 2019-10-15 | 镇江市凯越工具有限公司 | A kind of dedicated reamer of rock |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733113A (en) * | 1993-01-07 | 1998-03-31 | Grupping; Arnold W. J. | Downhole roller vane motor and roller vane pump |
| CN2611572Y (en) * | 2003-03-21 | 2004-04-14 | 袁啟法 | Combined rock drill |
| CN204071030U (en) * | 2014-07-23 | 2015-01-07 | 淮南师范学院 | A kind of telescopic test-tube brush |
| CN204920795U (en) * | 2015-07-03 | 2015-12-30 | 邹城兖矿泰德工贸有限公司 | Combined broaching bit for mine |
| CN105521971A (en) * | 2016-01-19 | 2016-04-27 | 杨忠桃 | High-freedom-degree bent pipeline inner wall cleaning device and cleaning method |
| CN205858184U (en) * | 2016-06-30 | 2017-01-04 | 冀凯河北机电科技有限公司 | The replaceable combined drill in a kind of colliery |
| CN206305149U (en) * | 2016-12-15 | 2017-07-07 | 淮南庆达机械有限责任公司 | The quick cleaning rod of Venturi tube |
-
2018
- 2018-07-05 CN CN201810731786.2A patent/CN108915596B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733113A (en) * | 1993-01-07 | 1998-03-31 | Grupping; Arnold W. J. | Downhole roller vane motor and roller vane pump |
| CN2611572Y (en) * | 2003-03-21 | 2004-04-14 | 袁啟法 | Combined rock drill |
| CN204071030U (en) * | 2014-07-23 | 2015-01-07 | 淮南师范学院 | A kind of telescopic test-tube brush |
| CN204920795U (en) * | 2015-07-03 | 2015-12-30 | 邹城兖矿泰德工贸有限公司 | Combined broaching bit for mine |
| CN105521971A (en) * | 2016-01-19 | 2016-04-27 | 杨忠桃 | High-freedom-degree bent pipeline inner wall cleaning device and cleaning method |
| CN205858184U (en) * | 2016-06-30 | 2017-01-04 | 冀凯河北机电科技有限公司 | The replaceable combined drill in a kind of colliery |
| CN206305149U (en) * | 2016-12-15 | 2017-07-07 | 淮南庆达机械有限责任公司 | The quick cleaning rod of Venturi tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882079A (en) * | 2019-03-15 | 2019-06-14 | 邹城兖矿泰德工贸有限公司 | Spiral alloy bit |
| CN110331939A (en) * | 2019-07-10 | 2019-10-15 | 镇江市凯越工具有限公司 | A kind of dedicated reamer of rock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915596B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106837179B (en) | Soft and broken seam bore expanded hole device | |
| RU2378480C2 (en) | Drilling bit | |
| CN108915596A (en) | Combined broaching bit for mine | |
| CN105401885A (en) | Drill bit suitable for large-diameter drilling of coal or soft rock | |
| CN205154033U (en) | High strength drill bit that oil exploration well drilling was used | |
| CN108412436B (en) | Geological drill rod | |
| CN205259949U (en) | Large aperture creeps into drill bit | |
| CN105298392A (en) | Quick broaching method and structure | |
| CN205422527U (en) | A many power supplies combination drilling tool for soft coal creeps into on layer | |
| CN201851040U (en) | Spiral drill rod for complex stratum | |
| CN216858337U (en) | Three-blade hard alloy drill bit with inner cooling oil hole | |
| CN212003038U (en) | Combined drill bit structure for drilling anchor rod/anchor cable | |
| CN2846702Y (en) | Combined broaching bit for mine | |
| CN205927239U (en) | Drilling tool with cross tool bit | |
| CN205063869U (en) | Instrument is cleaned to well with destroy detritus bed function | |
| CN205927236U (en) | Drilling tool with slice tool bit | |
| CN208122759U (en) | Convenient for cooling reamer blade | |
| CN215902797U (en) | Replaceable cutting drill bit | |
| CN105507818A (en) | Guiding-type combined rock drilling bit | |
| CN220992846U (en) | Hydraulic valve sleeve sealing port machining cutter | |
| CN220517194U (en) | Electroplated diamond drill bit | |
| CN219254242U (en) | Novel drill bit with blades | |
| CN212704573U (en) | Hard alloy stepped drill | |
| CN220462332U (en) | Internally-cooled stepped drill with chip removal function | |
| CN103770152B (en) | A kind of hollow blade getting hole for soft material rule |
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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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. |