CN208885197U - A kind of Coal Exploitation mining drill bit being conveniently replaceable - Google Patents
A kind of Coal Exploitation mining drill bit being conveniently replaceable Download PDFInfo
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- CN208885197U CN208885197U CN201821218037.1U CN201821218037U CN208885197U CN 208885197 U CN208885197 U CN 208885197U CN 201821218037 U CN201821218037 U CN 201821218037U CN 208885197 U CN208885197 U CN 208885197U
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- Prior art keywords
- drill bit
- attachment base
- head
- threaded hole
- center attachment
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Abstract
The utility model discloses a kind of Coal Exploitation mining drill bits being conveniently replaceable, including drill bit connector and center attachment base, the bottom of drill bit connector is arranged in center attachment base, outside at the top of drill bit connector is fixedly installed external screw thread, externally threaded side is provided with third threaded hole, two sides at the top of the attachment base of center are symmetrical arranged there are two limiting slot, are uniformly distributed that there are three the second screw slots on the outside of the attachment base of center, and are provided with the 5th threaded hole on the inside of three the second screw slots.The utility model passes through the drill bit connector and center attachment base being equipped with, convenient for passing through the extraneous mining electric drilling device of drill bit connector connection, and drill bit connector and center attachment base are independently detachable, it is convenient that more ring is carried out to center attachment base, more economize on resources, head is dismantled by the first disassembly head, the second disassembly head and the third that are equipped with, convenient for replacing different disassembly heads for different working conditions, without more bit change entirety.
Description
Technical field
The utility model relates to a kind of drill bit, specially a kind of Coal Exploitation mining drill bit being conveniently replaceable.
Background technique
Coal mine is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Mine is typically chosen to underground when coal seam is remote from earth's surface and digs tunnel digging coal, this is underground mine, when coal seam is away from earth's surface
Distance it is close when, be typically chosen directly removing surface soil layer and excavate coal, this is open coal mine, and coal mine range includes ground Shangdi
Lower and related facility very big region, coal mine are the reasonable skies that the mankind are excavated when digging is rich in the geological stratification for having coal
Between, and need to use mining drill bit when exploiting coal mine.
Currently, existing mining drill bit usually is all inconvenient to be replaced when in use, and replacement is required to adopting every time
Mine drill bit is entirely replaced, more wasteful resource, and different mining drill bits is needed when different geology are dug up mine, and different
It digs up mine the buying also more wasteful fund of drill bit.Therefore we make improvement to this, propose a kind of coal mine mining being conveniently replaceable
Use drill bit.
Utility model content
Have the defects that mining drill bit is inconvenient to be replaced to solve the prior art, the utility model provides one kind and is convenient for
The Coal Exploitation mining drill bit of replacement.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of Coal Exploitation mining drill bit being conveniently replaceable of the utility model, including drill bit connector and center attachment base, institute
The bottom of drill bit connector is arranged in the center attachment base of stating, and the outside at the top of the drill bit connector is fixedly installed external screw thread,
The externally threaded side is provided with third threaded hole, and the two sides at the top of the center attachment base are arranged symmetrically, and there are two limits
Slot, is uniformly distributed that there are three the second screw slots on the outside of the center attachment base, and the inside of three second screw slots is equal
It is provided with the 5th threaded hole, the bottom end of the center attachment base is connect with the outside screw of three whorl brace rods respectively, and three
A whorl brace rod is uniformly distributed, and the top of head, second are dismantled in the bottom end of three whorl brace rods with first respectively
The top for dismantling head is fixedly connected with the top of third disassembly head.
As a kind of optimal technical scheme of the utility model, the bottom of the drill bit connector and the top of center attachment base
End is connected together, and the inside of drill bit connector bottom is symmetrical arranged that there are two limited blocks, and two limited blocks and two
A limiting slot is connected together.
As a kind of optimal technical scheme of the utility model, the two sides of drill bit connector bottom are symmetrically arranged with two
A first screw slots are provided with the second threaded hole, the side setting of the limiting slot on the inside of two first screw slots
There is the first threaded hole corresponding with the second screw thread hole site.
As a kind of optimal technical scheme of the utility model, the position of three the 5th threaded holes respectively with three
The position of four threaded holes is corresponding.
As a kind of optimal technical scheme of the utility model, semi-cylindrical brill is provided on the outside of the first disassembly head
Sword, the quantity of the drill lip are five and are uniformly distributed.
As a kind of optimal technical scheme of the utility model, the side of the third disassembly head is provided with cylindricality block, institute
The quantity for stating cylindricality block is several and is uniformly distributed.
The beneficial effects of the utility model are:
1. the Coal Exploitation mining drill bit that this kind is conveniently replaceable is convenient for by the drill bit connector and center attachment base being equipped with
Extraneous mining electric drilling device is connected by drill bit connector, and drill bit connector and center attachment base are independently detachable, convenient pair
Center attachment base carries out more ring, more economizes on resources.
2. the Coal Exploitation mining drill bit that this kind is conveniently replaceable passes through the first disassembly head, the second disassembly head and the third being equipped with
Dismantle head, convenient for replacing different disassembly heads for different working conditions, without more bit change entirety, both saved more
It changes the time, and has saved the cost of each more bit change.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram for the Coal Exploitation mining drill bit being conveniently replaceable of the utility model；
Fig. 2 is a kind of the first disassembly header structure schematic diagram of Coal Exploitation mining drill bit being conveniently replaceable of the utility model.
In figure: 1, drill bit connector；2, center attachment base；3, limiting slot；4, the first threaded hole；5, the first screw slots；6,
Second threaded hole；7, external screw thread；8, third threaded hole；9, the first disassembly head；10, whorl brace rod；11, the 4th threaded hole；12,
Second disassembly head；13, third dismantles head；14, the second screw slots；15, the 5th threaded hole.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment: as depicted in figs. 1 and 2, a kind of Coal Exploitation mining drill bit being conveniently replaceable of the utility model, including drill bit
The bottom of drill bit connector 1, the outside at 1 top of drill bit connector is arranged in connector 1 and center attachment base 2, center attachment base 2
It is fixedly installed external screw thread 7, the side of external screw thread 7 is provided with third threaded hole 8, and the two sides at 2 top of center attachment base are symmetrically set
It sets there are two limiting slot 3, the outside of center attachment base 2 is uniformly distributed that there are three the second screw slots 14, and three the second screw slots
14 inside is provided with the 5th threaded hole 15, the bottom end of the center attachment base 2 outside spiral shell with three whorl brace rods 10 respectively
Line connection, and three whorl brace rods 10 are uniformly distributed, the top that head 9 is dismantled with first respectively in the bottom end of three whorl brace rods 10
End, the second top for dismantling head 12 are fixedly connected with the top of third disassembly head 13, pass through the drill bit connector 1 being equipped with and center
Attachment base 2, convenient for connecting extraneous mining electric drilling device by drill bit connector 1, and drill bit connector 1 and center attachment base 2 can
Independent disassembling, it is convenient that more ring is carried out to center attachment base 2, it more economizes on resources, is dismantled by the first disassembly head 9, second being equipped with
First 12 and third dismantle head 13, it is whole without more bit change convenient for replacing different disassembly heads for different working conditions
Body has not only saved replacing construction, but also has saved the cost of each more bit change.
Wherein, the bottom of drill bit connector 1 and the top of center attachment base 2 are connected together, 1 bottom of drill bit connector it is interior
Side is arranged symmetrically, and there are two limited blocks, and two limited blocks are connected together with two limiting slots 3, convenient for center attachment base 2
Position is fixed, and prevents the rotation of drill bit connector 1 asynchronous with the rotation of center attachment base 2 and damages.
Wherein, the two sides of 1 bottom of drill bit connector are symmetrical arranged there are two the first screw slots 5, two the first screw slots 5
Inside is provided with the second threaded hole 6, and it is opposite with 6 position of the second threaded hole that the side of limiting slot 3 is provided with the first threaded hole 4
It answers, convenient for being further fixed by position of the screw to center attachment base 2.
Wherein, the position of three the 5th threaded holes 15 is corresponding with the position of three the 4th threaded holes 11 respectively, can pass through
Screw passes through the position that the 5th threaded hole 15 fixes whorl brace rod 10.
Wherein, the outside of the first disassembly head 9 is provided with semi-cylindrical drill lip, and the quantity of drill lip is five and is uniformly distributed,
Convenient for the drilling of first disassembly 9 pairs of coal mines of head.
Wherein, the side of third disassembly head 13 is provided with cylindricality block, and the quantity of cylindricality block is several and is uniformly distributed, just
In the drilling of third disassembly 13 pairs of coal mines of head.
When work, two limiting slots 3 are first directed at two limited blocks, by the top insertion drill bit connection of center attachment base 2
First 1 bottom recycles screw to be inserted into the first threaded hole 4 in the first screw slots 5, and sequentially passes through the second threaded hole 6 and the
One threaded hole 4, is fixed the position of center attachment base 2, selects further according to needs using the first disassembly head 9 or the second disassembly
First 12 or third dismantle head 13, first disassembly head 9, second dismantle head 12 and third disassembly head 13 can pass through respectively top spiral shell
Line connecting rod 10 is attached fixation, and whorl brace rod 10 is first connect with the bottom thread of center attachment base 2, in whorl brace rod
After 10 are fully screwed into center attachment base 2, the 4th threaded hole 11 and the 5th threaded hole 15 in the second screw slots 14 are just right at this time
It answers, recycles the position of screw fixed thread connecting rod 10, i.e., mountable first disassembly head 9, second dismantles head 12 and third is torn open
First 13 are unloaded, finally device is integrally installed using external screw thread 7 and third threaded hole 8, is mounted on external mining electric drilling device
On.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of Coal Exploitation mining drill bit being conveniently replaceable, including drill bit connector (1) and center attachment base (2), feature exists
In the outside that the center attachment base (2) is arranged at the top of the bottom of drill bit connector (1), the drill bit connector (1) is fixed
It is provided with external screw thread (7), the side of the external screw thread (7) is provided with third threaded hole (8), at the top of the center attachment base (2)
Two sides be symmetrical arranged there are two limiting slot (3), be uniformly distributed that there are three the second screw slots on the outside of the center attachment base (2)
(14), it and on the inside of three second screw slots (14) is provided with the 5th threaded hole (15), the center attachment base (2)
Bottom end is connect with the outside screw of three whorl brace rods (10) respectively, and three whorl brace rods (10) are uniformly distributed,
The bottom end of three whorl brace rods (10) respectively with first disassembly head (9) top, second disassembly head (12) top and
The top of third disassembly head (13) is fixedly connected.
2. a kind of Coal Exploitation mining drill bit being conveniently replaceable according to claim 1, which is characterized in that the drill bit connection
The bottom of head (1) and the top of center attachment base (2) are connected together, and the inside of drill bit connector (1) bottom is symmetrical arranged
There are two limited blocks, and two limited blocks are connected together with two limiting slots (3).
3. a kind of Coal Exploitation mining drill bit being conveniently replaceable according to claim 1, which is characterized in that the drill bit connection
There are two the two sides of head (1) bottom are arranged symmetrically first screw slots (5), it is respectively provided on the inside of two first screw slots (5)
Have the second threaded hole (6), it is opposite with the second threaded hole (6) position that the side of the limiting slot (3) is provided with the first threaded hole (4)
It answers.
4. a kind of Coal Exploitation mining drill bit being conveniently replaceable according to claim 1, which is characterized in that three the described 5th
The position of threaded hole (15) is corresponding with the position of three the 4th threaded holes (11) respectively.
5. a kind of Coal Exploitation mining drill bit being conveniently replaceable according to claim 1, which is characterized in that first disassembly
Semi-cylindrical drill lip is provided on the outside of head (9), the quantity of the drill lip is five and is uniformly distributed.
6. a kind of Coal Exploitation mining drill bit being conveniently replaceable according to claim 1, which is characterized in that the third disassembly
The side of head (13) is provided with cylindricality block, and the quantity of the cylindricality block is several and is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218037.1U CN208885197U (en) | 2018-07-30 | 2018-07-30 | A kind of Coal Exploitation mining drill bit being conveniently replaceable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821218037.1U CN208885197U (en) | 2018-07-30 | 2018-07-30 | A kind of Coal Exploitation mining drill bit being conveniently replaceable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885197U true CN208885197U (en) | 2019-05-21 |
Family
ID=66507798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821218037.1U Expired - Fee Related CN208885197U (en) | 2018-07-30 | 2018-07-30 | A kind of Coal Exploitation mining drill bit being conveniently replaceable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885197U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984895A (en) * | 2019-11-27 | 2020-04-10 | 淮安市井神钻采机具有限公司 | High-efficiency composite milling tool |
| CN111963065A (en) * | 2020-10-20 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for directional drilling |
| CN113309480A (en) * | 2021-07-29 | 2021-08-27 | 中国石油集团川庆钻探工程有限公司 | Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing |
-
2018
- 2018-07-30 CN CN201821218037.1U patent/CN208885197U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984895A (en) * | 2019-11-27 | 2020-04-10 | 淮安市井神钻采机具有限公司 | High-efficiency composite milling tool |
| CN111963065A (en) * | 2020-10-20 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for directional drilling |
| CN111963065B (en) * | 2020-10-20 | 2020-12-25 | 胜利油田固邦石油装备有限责任公司 | PDC drill bit for directional drilling |
| CN113309480A (en) * | 2021-07-29 | 2021-08-27 | 中国石油集团川庆钻探工程有限公司 | Anti-sticking milling shoe and drilling, grinding and milling tool for coiled tubing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20190730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |