CN205422545U - Novel combined drill - Google Patents
Novel combined drill Download PDFInfo
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- CN205422545U CN205422545U CN201620212579.2U CN201620212579U CN205422545U CN 205422545 U CN205422545 U CN 205422545U CN 201620212579 U CN201620212579 U CN 201620212579U CN 205422545 U CN205422545 U CN 205422545U
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Abstract
The utility model relates to a novel combined drill, including broken drill bit of one -level guide and second grade cutting ream bit, the broken drill bit of one -level guide includes the broken tooth of carbide, one -level drill bit body, the broken tooth of carbide welds the tip at one -level drill bit body, and one -level drill bit body tip is equipped with three evenly distributed's apopore, second grade cutting ream bit includes second grade drill bit pole, three pterygoid lamina, the one end that the broken tooth of carbide was kept away from to one -level drill bit body links to each other with the one end of second grade drill bit pole, with the pterygoid lamina is established to the rectangular bodily form, the one end of pterygoid lamina is established on second grade drill bit pole, and the other end of pterygoid lamina is established on the protective shroud, and three pterygoid lamina is central symmetry around the center pin of second grade drill bit pole and distributes, be equipped with a plurality of cutting blades on the pterygoid lamina. Its simple structure, construction convenience can dismantle the combination, but present common material of its make full use of and construction equipment solve general 3 -wing bit and creep into a difficult problem in complete, strong decompoed rock stratum.
Description
Technical field
This utility model relates to ground and creeps into technical field, is specifically related to a kind of novel compositions drill bit, the most entirely, strong-weathered rock stratum creep into engineering.
Background technology
Along with China's expanding economy and the propelling of Process of Urbanization Construction, it is increasing that ground pile foundation, well creep into engineering, and three-wing bit is used widely due to advantages such as its economical rationality and the suitability are strong.General three-wing bit is frequently with common bore bit, and when the stratum such as cohesive soil, silt and sand are crept into, efficiency is higher, but complete, strong-weathered rock stratum rate of penetration slow, the serious wear of drill bit, be even difficult to carry out.
Summary of the invention
For overcoming described deficiency, the purpose of this utility model is to provide a kind of novel compositions drill bit, simple in construction, easy construction, detachable combination, it can make full use of existing common materials and construction equipment, solves general three-wing bit and creeps into a difficult problem in complete, strong-weathered rock stratum.
This utility model solves its technical problem and be the technical scheme is that a kind of novel compositions drill bit, drill bit and two grades of cutting reaming bits is crushed including one-level guide, described one-level guide crushes drill bit and includes hard alloy crushing teeth, one-level drill bit body, described hard alloy crushing teeth is welded on the end of one-level drill bit body, and one-level drill bit body end is provided with three equally distributed apopores；Described two grades of cutting reaming bits include two grades of drill bit shaft, three wing plates, described one-level drill bit body is connected with one end of two grades of drill bit shaft away from one end of hard alloy crushing teeth, one end of described wing plate is located in two grades of drill bit shaft, the other end of wing plate is located on guard ring, guard ring primarily serves the effect of fixing wing plate, three wing plates are centrosymmetric distribution around the central shaft of two grades of drill bit shaft, and described wing plate is provided with multiple cutting tip.
Further, described apopore is between hard alloy crushing teeth.
Further, the angle of the length direction of described wing plate and two grades of drill bit shaft axis is set to 68 °～78 °, the length direction of wing plate and two grades of drill bit shaft tangent to periphery angular separations are that the angle between 120 °, and the axial direction of the width of wing plate and two grades of drill bit shaft is set to 6 °～8 °.
Further, each described wing plate is provided with 2～5 cutting tips.
Further, described cutting tip is vertically welded on the long limit, side that the close one-level guide of wing plate crushes drill bit.
Further, the inside radius of described guard ring is that two grades of drill bit shaft centers are welded on wing plate outward flange to the outer peripheral distance of wing plate, guard ring, with fixing wing plate.
Further, described one-level drill bit body and two grades of drill bit shaft are connected in a spiral manner.
This utility model has the advantages that simple in construction, solves general three-wing bit rate of penetration in complete, strong-weathered rock stratum slow, and serious wear problem has the advantage that each several part can combine dismounting flexibly, easily；Higher drilling efficiency can be kept in complete, strong-weathered rock stratum；In strong-weathered rock stratum, crush drill bit due to addition guide, decrease the degree of wear to cutting reaming bit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is schematic side view of the present utility model.
Fig. 3 is elevational schematic view of the present utility model.
In figure: I guide crushes drill bit, II cutting reaming bit, 1 hard alloy crushing teeth, 2 one-level drill bit bodys, 3 two grades of drill bit shaft, 4 wing plates, 5 cutting tips, 6 guard rings, 7 apopores.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.
A kind of novel compositions drill bit as shown in Figure 1 to Figure 3, drill bit I and two grades of cutting reaming bits II is crushed including one-level guide, described one-level guide crushes drill bit I and includes hard alloy crushing teeth 1, one-level drill bit body 2, described hard alloy crushing teeth 1 is welded on the end of one-level drill bit body 2, and one-level drill bit body end is provided with three equally distributed apopores；Described two grades of cutting reaming bits II include 3, three wing plates 4 of two grades of drill bit shaft, described one-level drill bit body is connected with one end of two grades of drill bit shaft away from one end of hard alloy crushing teeth 1, one end of described wing plate 4 is located in two grades of drill bit shaft 3, the other end of wing plate 4 is located on guard ring 6, guard ring 6 primarily serves the effect of fixing wing plate 5, three wing plates 4 are centrosymmetric distribution around the central shaft of two grades of drill bit shaft 3, and described wing plate 4 is provided with multiple cutting tip 5.
Further, described apopore 7 is between hard alloy crushing teeth 1.
Further, the length direction of described wing plate 4 and the angle of two grades of drill bit shaft 3 axis are set to 68 °～78 °, the length direction of wing plate 4 and two grades of drill bit shaft 3 tangent to periphery angular separations are that the angle between 120 °, and the axial direction of the width of wing plate 4 and two grades of drill bit shaft 3 is set to 6 °～8 °.
Further, each described wing plate 4 is provided with 2～5 cutting tips.
Further, described cutting tip 5 is vertically welded on the long limit, side that the close one-level guide of wing plate 4 crushes drill bit 1.
Further, the inside radius of described guard ring 6 be two grades of drill bit shaft 3 centers to the outer peripheral distance of wing plate 4, guard ring 6 is welded on outside wing plate 4, with fixing wing plate 4.
Further, described one-level drill bit body 2 is connected in a spiral manner with two grades of drill bit shaft 3.
When complete, strong-weathered rock stratum are crept into, drill bit I and the combination of two grades of cutting reaming bits II is crushed by one-level guide, guide crushes drill bit I and breaks rock in advance, current flow out via the hollow cavity of two grades of drill bit shaft 3 and one-level drill bit body 2 simultaneously, the landwaste produced by broken rock is gone out via apopore 7, and then the broken Rock And Soil loosened carried out cutting reaming and fast pore-creating by the cutting tip 5 of cutting reaming bit II, improve drilling efficiency.
This utility model is not limited to described embodiment, and anyone should learn the structure change made under enlightenment of the present utility model, and every have same or like technical scheme, within each falling within protection domain of the present utility model with this utility model.
Technology that this utility model does not describes in detail, shape, structure part are known technology.
Claims (7)
1. a novel compositions drill bit, it is characterized in that: include that one-level guide crushes drill bit and two grades of cutting reaming bits, described one-level guide crushes drill bit and includes hard alloy crushing teeth, one-level drill bit body, described hard alloy crushing teeth is welded on the end of one-level drill bit body, and one-level drill bit body end is provided with three equally distributed apopores；Described two grades of cutting reaming bits include two grades of drill bit shaft, three wing plates, described one-level drill bit body is connected with one end of two grades of drill bit shaft away from one end of hard alloy crushing teeth, one end of described wing plate is located in two grades of drill bit shaft, the other end of wing plate is located on guard ring, three wing plates are centrosymmetric distribution around the central shaft of two grades of drill bit shaft, and described wing plate is provided with multiple cutting tip.
A kind of novel compositions drill bit the most according to claim 1, it is characterised in that: described apopore is between hard alloy crushing teeth.
A kind of novel compositions drill bit the most according to claim 1, it is characterized in that: the angle of the length direction of described wing plate and two grades of drill bit shaft axis is set to 68 °～78 °, the length direction of wing plate and two grades of drill bit shaft tangent to periphery angular separations are that the angle between 120 °, and the axial direction of the width of wing plate and two grades of drill bit shaft is set to 6 °～8 °.
A kind of novel compositions drill bit the most according to claim 1, it is characterised in that: each described wing plate is provided with 2～5 cutting tips.
A kind of novel compositions drill bit the most according to claim 1, it is characterised in that: described cutting tip is vertically welded on the long limit, side that the close one-level guide of wing plate crushes drill bit.
A kind of novel compositions drill bit the most according to claim 1, it is characterised in that: the inside radius of described guard ring is that two grades of drill bit shaft centers are welded on wing plate outward flange to the outer peripheral distance of wing plate, guard ring.
A kind of novel compositions drill bit the most according to claim 1, it is characterised in that: described one-level drill bit body and two grades of drill bit shaft are connected in a spiral manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212579.2U CN205422545U (en) | 2016-03-18 | 2016-03-18 | Novel combined drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212579.2U CN205422545U (en) | 2016-03-18 | 2016-03-18 | Novel combined drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422545U true CN205422545U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620212579.2U Active CN205422545U (en) | 2016-03-18 | 2016-03-18 | Novel combined drill |
Country Status (1)
| Country | Link |
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| CN (1) | CN205422545U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368611A (en) * | 2016-11-16 | 2017-02-01 | 河南广度超硬材料有限公司 | Excavation drill high in precision and efficiency |
| CN107503689A (en) * | 2017-10-12 | 2017-12-22 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
| CN107503674A (en) * | 2017-10-12 | 2017-12-22 | 黄超凡 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
| CN109083597A (en) * | 2018-09-01 | 2018-12-25 | 邹城兖矿泰德工贸有限公司 | It is anti-to expand formula composite drill bit |
| CN109339710A (en) * | 2018-11-28 | 2019-02-15 | 卢小玲 | A kind of Spiral digging machine augers of crushing function |
| CN110158584A (en) * | 2019-06-18 | 2019-08-23 | 蒿振侠 | Four limbs bilayer drill configurations |
| CN110318684A (en) * | 2019-05-20 | 2019-10-11 | 国网江苏省电力有限公司 | A kind of drill bit for holing with slurry wall protection filling pile construction |
| CN112983282A (en) * | 2021-03-05 | 2021-06-18 | 常州工学院 | Three-section guiding double-cone six-wing large-diameter reaming bit and construction method thereof |
-
2016
- 2016-03-18 CN CN201620212579.2U patent/CN205422545U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368611A (en) * | 2016-11-16 | 2017-02-01 | 河南广度超硬材料有限公司 | Excavation drill high in precision and efficiency |
| CN107503689A (en) * | 2017-10-12 | 2017-12-22 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
| CN107503674A (en) * | 2017-10-12 | 2017-12-22 | 黄超凡 | A kind of hard rock-soil layer piling drill hammer and pile driving equipment |
| CN107503689B (en) * | 2017-10-12 | 2019-03-12 | 江西中煤建设集团有限公司 | Rock-soil layer piling drill hammer and piling equipment |
| CN109083597A (en) * | 2018-09-01 | 2018-12-25 | 邹城兖矿泰德工贸有限公司 | It is anti-to expand formula composite drill bit |
| CN109083597B (en) * | 2018-09-01 | 2020-03-17 | 邹城兖矿泰德工贸有限公司 | Reverse expansion type composite drill bit |
| CN109339710A (en) * | 2018-11-28 | 2019-02-15 | 卢小玲 | A kind of Spiral digging machine augers of crushing function |
| CN109339710B (en) * | 2018-11-28 | 2020-11-06 | 金华值益信息科技有限公司 | Spiral drill bit of rotary drilling machine with crushing function |
| CN110318684A (en) * | 2019-05-20 | 2019-10-11 | 国网江苏省电力有限公司 | A kind of drill bit for holing with slurry wall protection filling pile construction |
| CN110158584A (en) * | 2019-06-18 | 2019-08-23 | 蒿振侠 | Four limbs bilayer drill configurations |
| CN112983282A (en) * | 2021-03-05 | 2021-06-18 | 常州工学院 | Three-section guiding double-cone six-wing large-diameter reaming bit and construction method thereof |
| CN112983282B (en) * | 2021-03-05 | 2023-02-28 | 常州工学院 | Three-section guiding double-cone six-wing large-diameter reaming bit and construction method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |