CN207960505U - The wear-resistant composite sheet Noncoring drill bit of outer diameter - Google Patents
The wear-resistant composite sheet Noncoring drill bit of outer diameter Download PDFInfo
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- CN207960505U CN207960505U CN201721572586.4U CN201721572586U CN207960505U CN 207960505 U CN207960505 U CN 207960505U CN 201721572586 U CN201721572586 U CN 201721572586U CN 207960505 U CN207960505 U CN 207960505U
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- ontology
- diamond compact
- wing head
- wing
- outer diameter
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Abstract
The wear-resistant composite sheet Noncoring drill bit of outer diameter, including ontology and wing head；It is connected with diamond compact A on wing head upper surface, diamond compact B is connected in wing head side wall surface；Diamond compact A quantity is no less than two panels, it is parallel to the tangential direction arrangement of ontology epimere outside wall surface, all diamond compact A radially arrange successively from the inside to the outside in one wing head, and are higher than the diamond compact A positioned at radial outside positioned at the diamond compact A of radially inner side；The quantity of diamond compact B is no less than a piece of, and the tangential direction for being parallel to ontology epimere outside wall surface arranges that all diamond compact B in axial direction from top to bottom arrange successively in a wing head.The utility model has the advantage of, wing head side wall surfaces to be equipped with diamond compact B, this so that the wearability of drill bit is enhanced, and wing head side wall surface is not easy to wear in drilling process, and for drilling life of bit at increase, when drilling deep hole can also reach design bore.
Description
Technical field
The utility model is related to the Noncoring drill bit of geological drilling, especially a kind of composite sheet centreless that outer diameter is wear-resistant bores
Head.
Background technology
Indent multiple-fin Noncoring drill bit is widely used in coal mine, geology oil exploration, quarrying and Tunnel Engineering and drills.With three
For wing Noncoring drill bit, existing coreless bit includes drill body, wing head, diamond compact and column.Drill bit sheet
Body is in the sleeve shaped of upper end closed lower ending opening, the inlet opening being connected to its endoporus is equipped on upper surface, outside upper end
Wall is equipped with the chip-removal hole being connected to its endoporus.Wing head quantity is three, and three wing heads are uniformly fixed in drill body in a ring
Upper end；Diamond compact has multi-disc, radially by proper alignment except interior and is fixed on the upper surface of each wing head respectively；
Column is fixed on the upper surface of drill body.
Shortcoming is existing for above-mentioned Noncoring drill bit：Drill bit abrasion resistance is general, the outside of wing head in drilling process
Face is easy to wear, and then causes bit operation unstable, and the aperture to be drilled becomes smaller.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a kind of composite sheet centreless that outer diameter is wear-resistant
Drill bit, the lateral surface that it solves existing indent multiple-fin Noncoring drill bit wing head is easy to wear in drilling process, and then leads
When causing drilling deep hole, with the intensification of drilling depth, the problem of institute's hole diameter cannot reach preset value.
The technical solution of the utility model is：The wear-resistant composite sheet Noncoring drill bit of outer diameter, including ontology and wing head；Ontology
In sleeve shaped comprising hypomere and the epimere for being connected to hypomere end；The outer diameter of ontology hypomere is less than the outer diameter of ontology epimere, this
Body is in hypomere end opening, in epimere end-enclosed；Wing head quantity is no less than three, and the circular setting of all wing heads is simultaneously affixed
On the body on the end face of section；Wing head upper surface is inclined-plane, and from radially inner side to radial outside, height continuously decreases, wing head side wall
Face is connected to the outermost radial outside of wing head upper surface, and wing head side wall surface is located at the diameter of ontology epimere outside wall surface in radial directions
Outward；
It is connected with diamond compact A on wing head upper surface, diamond compact B is connected in wing head side wall surface；Buddha's warrior attendant
Stone composite sheet A quantity is no less than two panels, and the tangential direction for being parallel to ontology epimere outside wall surface is arranged, all in a wing head
Diamond compact A radially arranges successively from the inside to the outside, and is higher than positioned at the diamond compact A of radially inner side and is located at
The diamond compact A of radial outside；The quantity of diamond compact B is no less than a piece of, is parallel to ontology epimere outside wall surface
Tangential direction arrangement, all diamond compact B in axial direction from top to bottom arrange successively in a wing head.
The further technical solution of the utility model is：There is no height to fall on the axial direction of ontology for all wing heads
Difference.
Further technical solution is the utility model：The quantity of diamond compact A is two panels, diamond compact
The quantity of B is a piece of, and the quantity of wing head is three.
The further technical solution of the utility model is：Ontology epimere end face is equipped with the row being connected in ontology endoporus
Water hole, osculum is in the sector region between adjacent wing head.
The further technical solution of the utility model is：With respect to the horizontal plane formed angle a is 10- for wing head upper surface
20 °, preferably 15 °.
The further technical solution of the utility model is：The outer diameter that diameter is more than ontology epimere is bored, the brill diameter of drill bit passes through
The side wall surface of each wing head is formed.
The utility model has the following advantages that compared with prior art：
1, wing head side wall surface is equipped with diamond compact B, this so that the wearability of drill bit is enhanced, wing head side wall surface
Not easy to wear in drilling process, for drilling life of bit at increase, when drilling deep hole, can also reach design bore.
2, wing head upper surface is inclined-plane, and from radially inner side to radial outside, height continuously decreases, and is located at the gold of radially inner side
Hard rock composite sheet A is higher than the diamond compact A positioned at radial outside, i.e., all wing heads together form Pagoda-shaped
Structure, drilling efficiency get a promotion.
3, osculum is located on ontology epimere end face, and smooth not water blockoff is drained in drilling process.
The utility model is further described below in conjunction with figure and embodiment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of the utility model；
Fig. 3 is the three-dimensional structure diagram of the utility model.
Specific implementation mode
Embodiment 1：
As shown in Figs. 1-3, the wear-resistant composite sheet Noncoring drill bit of outer diameter, including ontology 1 and wing head 2.
Ontology 1 is in sleeve shaped comprising it includes hypomere 11 and is connected to the epimere 12 of 11 end of hypomere.1 hypomere of ontology
11 outer diameter is less than the outer diameter of 1 epimere 12 of ontology, and ontology 1 is in 11 end of hypomere opening, in 12 end-enclosed of epimere.
2 quantity of wing head is three, and all wing heads around setting and are fixed on the end face of 1 epimere 12 of ontology.It is all
Wing head 2 on the axial direction of ontology 1 be not present height fall.2 upper surface 21 of wing head is inclined-plane, from radially inner side to radial direction
Outside height continuously decreases, and with respect to the horizontal plane formed angle a is 15 ° to 2 upper surface 21 of wing head.2 side wall surface 22 of wing head connects
Outermost radial outside in 2 upper surface 21 of wing head, and 2 side wall surface 22 of wing head is located at 1 epimere of ontology, 12 outside wall surface in radial directions
Radial outside.
It is connected with two panels diamond compact A3 on 2 upper surface 21 of wing head, a piece of Buddha's warrior attendant is connected in 2 side wall surface 22 of wing head
Stone composite sheet B4；Diamond compact A3 is parallel to the tangential direction arrangement of 1 epimere of ontology, 12 outside wall surface, owns in a wing head
Diamond compact A3 radially arrange successively from the inside to the outside, and be higher than positioned at the diamond compact A3 of radially inner side
Positioned at the diamond compact A3 of radial outside.Diamond compact B4 is parallel to the tangential direction of 1 epimere of ontology, 12 outside wall surface
Arrangement.
It is preferred that 1 epimere of ontology, 12 end face is equipped with the osculum 13 being connected in 1 endoporus of ontology, osculum 13 is located at phase
In sector region between adjacent wing head 2.
It is preferred that boring the outer diameter that diameter is more than 1 epimere 12 of ontology, the diameter that bores of drill bit is formed by the side wall surface 22 of each wing head 2.
Specifically, all wing heads are included in the bottom surface circular diameter of interior smallest circle cylinder, as the brill diameter of drill bit.
Above-mentioned " height " and " being higher than " is for the height on axial direction, in the axial direction, from this
1 hypomere 11 of body is gradually increased to 1 epimere of ontology, 12 height.
Claims (6)
1. the wear-resistant composite sheet Noncoring drill bit of outer diameter, including ontology (1) and wing head (2)；Ontology (1) is in sleeve shaped comprising
It includes hypomere (11) and the epimere (12) for being connected to hypomere (11) end；The outer diameter of ontology (1) hypomere (11) is less than ontology (1)
The outer diameter of epimere (12), ontology (1) is in hypomere (11) end opening, in epimere (12) end-enclosed；Wing head (2) quantity is no less than
Three, all wing heads around setting and are fixed on the end face of ontology (1) epimere (12)；Wing head (2) upper surface (21) is
Inclined-plane, from radially inner side to radial outside, height continuously decreases, and wing head (2) side wall surface (22) is connected to wing head (2) upper surface
(21) outermost radial outside, and wing head (2) side wall surface (22) is located at the diameter of ontology (1) epimere (12) outside wall surface in radial directions
Outward；
It is characterized in that：It is connected with diamond compact A (3) on wing head (2) upper surface (21), consolidates in wing head (2) side wall surface (22)
It is connected to diamond compact B (4)；Diamond compact A (3) quantity is no less than two panels, is parallel to ontology (1) epimere (12) outside
The tangential direction of wall surface arranges that all diamond compact A (3) are radially arranged successively from the inside to the outside in a wing head
Cloth, and it is higher than the diamond compact A (3) positioned at radial outside positioned at the diamond compact A (3) of radially inner side；Diamond
The quantity of composite sheet B (4) is no less than a piece of, is parallel to the tangential direction arrangement of ontology (1) epimere (12) outside wall surface, a wing
All diamond compact B (4) in axial direction from top to bottom arrange successively on head (2).
2. the wear-resistant composite sheet Noncoring drill bit of outer diameter as described in claim 1, it is characterized in that：All wing heads (2) are at this
Height fall is not present on the axial direction of body (1).
3. the wear-resistant composite sheet Noncoring drill bit of outer diameter as claimed in claim 2, it is characterized in that：Diamond compact A's (3)
Quantity is two panels, and the quantity of diamond compact B (4) is a piece of, and the quantity of wing head (2) is three.
4. the wear-resistant composite sheet Noncoring drill bit of outer diameter as described in one of claims 1 to 3, it is characterized in that：Ontology (1) epimere
(12) end face is equipped with the osculum (13) being connected in ontology (1) endoporus, and osculum (13) is between adjacent wing head (2)
In sector region.
5. the wear-resistant composite sheet Noncoring drill bit of outer diameter as claimed in claim 4, it is characterized in that：Wing head (2) upper surface (21)
With respect to the horizontal plane formed angle a is 10-20 °.
6. the wear-resistant composite sheet Noncoring drill bit of outer diameter as claimed in claim 5, it is characterized in that：Diameter is bored to be more than on ontology (1)
The brill diameter of the outer diameter of section (12), drill bit is formed by the side wall surface (22) of each wing head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572586.4U CN207960505U (en) | 2017-11-22 | 2017-11-22 | The wear-resistant composite sheet Noncoring drill bit of outer diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572586.4U CN207960505U (en) | 2017-11-22 | 2017-11-22 | The wear-resistant composite sheet Noncoring drill bit of outer diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960505U true CN207960505U (en) | 2018-10-12 |
Family
ID=63723762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572586.4U Active CN207960505U (en) | 2017-11-22 | 2017-11-22 | The wear-resistant composite sheet Noncoring drill bit of outer diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960505U (en) |
-
2017
- 2017-11-22 CN CN201721572586.4U patent/CN207960505U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Composite disc coreless drill bit with outer diameter wear resistance Effective date of registration: 20230801 Granted publication date: 20181012 Pledgee: Hunan Qidong rural commercial bank Co.,Ltd. Pledgor: QIDONG FENGSU DRILLING TOOL CO.,LTD. Registration number: Y2023980050357 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |