CN207829816U - A kind of anti-offset rotary digging drill bit - Google Patents
A kind of anti-offset rotary digging drill bit Download PDFInfo
- Publication number
- CN207829816U CN207829816U CN201820199091.XU CN201820199091U CN207829816U CN 207829816 U CN207829816 U CN 207829816U CN 201820199091 U CN201820199091 U CN 201820199091U CN 207829816 U CN207829816 U CN 207829816U
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- China
- Prior art keywords
- drill bit
- tooth
- rotary digging
- cross
- armature
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Abstract
The upper surface of a kind of anti-offset rotary digging drill bit, including drill bit barrel, drill bit barrel is uniformly provided with circumferential rotary digging tooth, it is characterised in that：The bottom of the drill bit barrel is equipped with bottom plate, No.1 armature and No. two armatures are fixed on the medial surface of bottom plate, No.1 armature and No. two respective midpoints of armature intersect at a point, the intersection of No.1 armature and No. two armatures is equipped with multiple cross bottom of the tooth beams, the upper end of cross bottom of the tooth beam is fixedly connected with drill bit barrel, cross bottom of the tooth beam is inclined relative to bottom plate, and multiple cross rotary digging teeth are evenly arranged on the upper surface of each cross bottom of the tooth beam；When digging bit face to firm stratum progress borehole operation, it is not easy to deviate；Drilling depth is rapid, and hole quality is good, improves construction efficiency；Structure practicality is firm, at low cost, easy to spread.
Description
Technical field
The utility model is related to a kind of drill bit, specifically a kind of anti-offset rotary digging drill bit.
Background technology
Rotary digging drilling construction is the stake work construction method that China grew up in recent years, churning driven machine tool have efficiently,
The various features such as low noise, environmental protection, hole quality height, mechanization degree height, since construction stratum is multifarious, specific skill of constructing
Art requires to have nothing in common with each other again, so, can meet the needs of different by selecting different drill bits.
Rotary digging drill bit includes drilling pipe and gear wheel, and gear wheel is arranged in the bottom end of drilling pipe, and rotary digging drill bit at work, utilizes
Gear wheel alternately contact stratum, has that broken rock torque is small, gear wheel and bottom hole contact area are small, than pressing high and being easy to wedging stratum
Advantage so that rotary digging drill bit can adapt to a variety of stratum from soft to hard.
In the prior art, when rotary digging drill bit carries out operation in face of firm stratum, easily offset often occurs, drilling depth is tired
The problem of difficulty, quality and inefficiency.
Utility model content
The utility model be in order to solve in the prior art, it is past when rotary digging drill bit carries out operation in face of firm stratum
Toward can occur easily to deviate, the problem of drilling depth is difficult, quality and inefficiency.
The technical solution adopted in the utility model is：A kind of anti-offset rotary digging drill bit, including drill bit barrel, drill bit barrel
Upper surface is uniformly provided with circumferential rotary digging tooth, it is characterised in that：The bottom of the drill bit barrel is equipped with bottom plate, on the medial surface of bottom plate
It is fixed with No.1 armature and No. two armatures, No.1 armature and No. two respective midpoints of armature intersect at a point, and one
The intersection of number armature and No. two armatures is equipped with multiple cross bottom of the tooth beams, and upper end and the drill bit barrel of cross bottom of the tooth beam are fixed
Connection, cross bottom of the tooth beam is inclined relative to bottom plate, and multiple ten are evenly arranged on the upper surface of each cross bottom of the tooth beam
Word rotary digging tooth.
Further, the cross bottom of the tooth beam there are four and be uniformly distributed in the circumferential direction of drill bit barrel.
Further, the cross bottom of the tooth beam is 0~60 degree relative to the angle of inclination of bottom plate.
Further, No.1 deslagging exhaust outlet and No. two deslagging exhaust outlets are provided on the bottom plate.
Further, the angle of inclination of the cross rotary digging tooth and cross bottom of the tooth beam upper surface is 30~60 degree.
The beneficial effects of the utility model and feature are：1. dig bit face to firm stratum progress borehole operation, no
Easily offset；2. drilling depth is rapid, hole quality is good, improves construction efficiency；3. structure practicality is firm, at low cost, easy to spread.
Description of the drawings
Fig. 1 is the overall structure diagram of the preferred embodiment of the utility model；
Fig. 2 is the structural schematic diagram removed in Fig. 1 after drill bit barrel, circumferential rotary digging tooth and bottom plate；
Figure label indicates respectively：1- drill bit barrels, 2- circumferential direction rotary digging teeth, 3- bottom plates, 4- No.1 armatures, 5- bis- add
No. bis- Qiang Cai, 6- cross bottom of the tooth beam, 7- cross rotary diggings tooth, 8- cross rotary diggings tooth, 9- deslagging exhaust outlets.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of anti-offset rotary digging drill bit, including drill bit barrel 1, the upper surface of drill bit barrel 1 are uniformly provided with
The bottom of circumferential rotary digging tooth 2, the drill bit barrel 1 is equipped with bottom plate 3, and 4 He of No.1 armature is fixed on the medial surface of bottom plate 3
No. two armatures 5, No.1 armature 4 and No. two 5 respective midpoints of armature intersect at a point, No.1 armature 4 and No. two plus
The intersection of strong material 5 is equipped with multiple cross bottom of the tooth beams 6, and preferably, cross bottom of the tooth beam 6 can set four and in the week of drill bit barrel 1
It is uniformly distributed on direction.
As shown in Fig. 2, the upper end of cross bottom of the tooth beam 6 is fixedly connected with drill bit barrel 1, cross bottom of the tooth beam 6 is relative to bottom plate 3
It is inclined, multiple cross rotary digging teeth 7 are evenly arranged on the upper surface of each cross bottom of the tooth beam 6.The cross rotary digging tooth 7
Lateral inclination angle with cross bottom of the tooth beam upper surface is 30~60 degree, and setting angle of inclination is to increase its horizontal direction
Restraining force.Direction explanation：The direction that cross bottom of the tooth beam itself extends is longitudinal, is laterally with the perpendicular direction of longitudinal direction.
No. two deslagging exhaust outlets 9 of circular No.1 deslagging exhaust outlet 8 and arc are provided on the bottom plate 3.
To solve drill bit skew problem, one section will be spaced between the upper end and the upper surface of drill bit barrel 1 of cross bottom of the tooth beam 6
Distance.In the present solution, the cross bottom of the tooth beam 6 is 0~60 degree relative to the angle of inclination of bottom plate 3.In this way outer ring tooth firmly
After in embedded rock, cross rotary digging tooth 7 with formation function, when drilling, is first squeezed into stratum by outer ring tooth again and plays fixed and lead
The stratum in entire circular section is smashed to effect, then by internal spider tooth, you can meets drilling construction demand.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the structural relation and principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, this
Utility model will also have various changes and improvements, and these various changes and improvements fall within the scope of the claimed invention.
The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. a kind of anti-offset rotary digging drill bit, including drill bit barrel (1), the upper surface of drill bit barrel (1) are uniformly provided with circumferential rotary digging
Tooth (2), it is characterised in that：The bottom of the drill bit barrel (1) is equipped with bottom plate (3), and one is fixed on the medial surface of bottom plate (3)
Number armature (4) and No. two armatures (5), No.1 armature (4) and No. two respective midpoints of armature (5) intersect at a point,
The intersection of No.1 armature (4) and No. two armatures (5) is equipped with multiple cross bottom of the tooth beams (6), the upper end of cross bottom of the tooth beam (6)
It is fixedly connected with drill bit barrel (1), cross bottom of the tooth beam (6) is inclined relative to bottom plate (3), each cross bottom of the tooth beam (6)
Upper surface on be evenly arranged with multiple cross rotary digging teeth (7).
2. anti-offset rotary digging drill bit according to claim 1, it is characterised in that：There are four simultaneously for the cross bottom of the tooth beam (6)
It is uniformly distributed in the circumferential direction of drill bit barrel (1).
3. anti-offset rotary digging drill bit according to claim 1, it is characterised in that：The cross bottom of the tooth beam (6) is the bottom of relative to
The angle of inclination of plate (3) is 0~60 degree.
4. anti-offset rotary digging drill bit according to claim 1, it is characterised in that：It is provided with circular one on the bottom plate (3)
No. two deslagging exhaust outlets (9) of number deslagging exhaust outlet (8) and arc.
5. the anti-offset rotary digging drill bit according to Claims 1 to 4 any claim, it is characterised in that：The cross rotation
The lateral inclination angle for digging tooth (7) and cross bottom of the tooth beam upper surface is 30~60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199091.XU CN207829816U (en) | 2018-02-06 | 2018-02-06 | A kind of anti-offset rotary digging drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199091.XU CN207829816U (en) | 2018-02-06 | 2018-02-06 | A kind of anti-offset rotary digging drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207829816U true CN207829816U (en) | 2018-09-07 |
Family
ID=63397017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820199091.XU Expired - Fee Related CN207829816U (en) | 2018-02-06 | 2018-02-06 | A kind of anti-offset rotary digging drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207829816U (en) |
-
2018
- 2018-02-06 CN CN201820199091.XU patent/CN207829816U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190206 |