CN202393618U - Hollow drill for sampling - Google Patents
Hollow drill for sampling Download PDFInfo
- Publication number
- CN202393618U CN202393618U CN2011205521967U CN201120552196U CN202393618U CN 202393618 U CN202393618 U CN 202393618U CN 2011205521967 U CN2011205521967 U CN 2011205521967U CN 201120552196 U CN201120552196 U CN 201120552196U CN 202393618 U CN202393618 U CN 202393618U
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- CN
- China
- Prior art keywords
- cylindrical
- drilling rod
- usefulness
- cutter head
- conical bore
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a hollow drill for sampling, belongs to the technical field of machinery manufacturing, and relates to a cutter for metal cutting. The task of the utility model is to provide the hollow drill for sampling. The operation is simple, the usage is convenient, and the cost is low. The main point of the technical scheme includes that the hollow drill for sampling comprises a cylindrical drill rod (6), a cylindrical drill handle (9) and an alloy cutter head (4). The hollow drill for sampling is characterized in that a conical bore (2) which has an identical shaft axis with the cylindrical drill rod (6) is arranged on the cylindrical drill rod (6), and the orifice diameter of one end of the conical bore (2) close to the cylindrical drill handle (9) is larger than that of one end close to the alloy cutter head (4); simultaneously the distance from an inner cutter tip (11) forming an inscribed circle to the shaft axis is smaller than half of an orifice diameter (1) of the conical bore (2). The hollow drill for sampling has the advantages of simple operation, convenient usage, low manufacturing and using cost, and simple structure.
Description
[technical field]
The utility model belongs to machinery manufacturing technology field.Especially relate to the cutter that a kind of metal cutting is used.
[background technology]
At present, the wind-power electricity generation industry belongs to the industry of novel energy development, and its wind power flange is the main web member of wind-power tower on the wind power generating set, and its quality good or not is directly connected to the life-span length of wind-power tower.The wind power flange quality detects index as ensureing by experiment, because the wind power flange diameter is big, quality is big, carries out destructive test acquisition assay and can bring more loss to enterprise, often will not adopt; Its detection method is, with one with wind power flange with material with the steel of heat (batch) number through forging, normalizing, machine work make sample, make an experiment.But be difficult to guarantee the consistance of its sample and the physical property of flange own, test findings can not be represented the quality of flange itself fully.In order to guarantee the consistance of its sample and the physical property of flange own; People's direct sample on the flange parent by every means; Such as using the mode of reserving blind hole, not only do not damage flange, and can also guarantee that sample is consistent with the physical property of flange parent as the sample position; Said sample is generally right cylinder; Can be cut into bulk earlier and obtain with the mode of turning then, also can obtain, but said two kinds of modes of producing sample also have its weak point with the mode of line cutting; Its weak point is: the mode of producing sample is complicated, and cost is too high.
[summary of the invention]
The task of the utility model provides a kind of hollow boring bit of the usefulness of taking a sample.Make it simple to operate, easy to use, and cost is low.
The technical scheme of the utility model is following:
A kind of hollow boring bit of the usefulness of taking a sample; Include cylindrical drilling rod 6, cylindrical drillstock 9 and alloy cutter head 4; Be characterized in: cylindrical drilling rod 6 is provided with the conical bore identical with its axial line 2, said conical bore 2 near the orifice diameter 3 of cylindrical drillstock 9 one ends greater than orifice diameter 1 near alloy cutter head 4 one ends; Simultaneously; The radius distance of outer point of a knife 10 to its axial line that constitutes outer cutting circle on the alloy cutter head 4 during drill hole sampling is greater than the radius of outside surface to its axial line on the cylindrical drilling rod 6, and the radius distance of interior point of a knife 11 to its axial line that constitutes incircle is less than half of the orifice diameter 1 of conical bore 2.
And the quantity of alloy cutter head 4 is even number, and more than or equal to four.
The outside diameter of said cylindrical drillstock 9 is greater than the outside diameter of cylindrical drilling rod 6.
The outer round surface of said cylindrical drilling rod 6 is provided with the iron pin and goes out to move back groove 5.
The outer round surface of said cylindrical drilling rod 6 is provided with iron pin back stop slot 7.
The internal circular surfaces of said conical bore 2 is provided with the iron pin and goes out to move back groove.
The hollow boring bit of a kind of usefulness of taking a sample of the utility model, the radius distance that constitutes interior point of a knife 11 to its axial line of incircle on its alloy cutter head 4 during drill hole sampling equals the half the of specimen finish.
Said conical bore 2 greater than the orifice diameter 1 near alloy cutter head 4 one ends, can guarantee that disconnected iron pin can withdraw from smoothly, can guarantee that sample can take out easily near the orifice diameter 3 of cylindrical drillstock 9 one ends.
The quantity of said alloy cutter head 4 is even number, and more than or equal to four, is to make cylindrical drilling rod 6 stressed evenly evenly painstaking, prevents to produce eccentric torque.
The outside diameter of said cylindrical drillstock 9 is to let cylindrical drillstock 9 have enough physical strengths greater than the outside diameter of cylindrical drilling rod 6.
The outer round surface of said cylindrical drilling rod 6 is provided with the iron pin and goes out to move back groove 5, is to play the guiding role when going out to move back to the iron pin.
The outer round surface of said cylindrical drilling rod 6 is provided with iron pin back stop slot 7.Be to play certain disconnected pin effect when going out to move back to the iron pin.Prevent that its iron pin from twining workpiece.
The beneficial effect of the utility model is following: owing to use technique scheme, realized making it simple to operate, easy to use, and all low technique effect of manufacturing cost and use cost expense, the utility model is simple in structure.
[description of drawings]
Fig. 1 is the front view of first embodiment of the utility model.
Fig. 2 is the right view of first embodiment of the utility model.
Fig. 3 is the left view of first embodiment of the utility model.
Fig. 4 is that A among Fig. 1 is to view.
[embodiment]
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment 1
In Fig. 1 Fig. 2 first embodiment shown in Figure 3; A kind of hollow boring bit of the usefulness of taking a sample; Include cylindrical drilling rod 6, cylindrical drillstock 9 and alloy cutter head 4; Be characterized in: cylindrical drilling rod 6 is provided with the conical bore identical with its axial line 2, said conical bore 2 near the orifice diameter 3 of cylindrical drillstock 9 one ends greater than orifice diameter 1 near alloy cutter head 4 one ends; Simultaneously; The radius distance of outer point of a knife 10 to its axial line that constitutes outer cutting circle on the alloy cutter head 4 during drill hole sampling is greater than the radius of outside surface to its axial line on the cylindrical drilling rod 6, and the radius distance of interior point of a knife 11 to its axial line that constitutes incircle is less than half of the orifice diameter 1 of conical bore 2.
And the quantity of alloy cutter head 4 is 8.
The outside diameter of said cylindrical drillstock 9 is greater than the outside diameter of cylindrical drilling rod 6.
The outer round surface of said cylindrical drilling rod 6 is provided with the iron pin and goes out to move back groove 5.
The outer round surface of said cylindrical drilling rod 6 is provided with iron pin back stop slot 7.
The internal circular surfaces of said conical bore 2 is provided with the iron pin and goes out to move back groove.
The hollow boring bit of a kind of usefulness of taking a sample of the utility model, the radius distance that constitutes interior point of a knife 11 to its axial line of incircle on its alloy cutter head 4 during drill hole sampling equals the half the of specimen finish.
Said conical bore 2 greater than the orifice diameter 1 near alloy cutter head 4 one ends, can guarantee that disconnected iron pin can withdraw from smoothly, can guarantee that sample can take out easily near the orifice diameter 3 of cylindrical drillstock 9 one ends.
The quantity of said alloy cutter head 4 is even number, is to make cylindrical drilling rod 6 stressed evenly evenly painstaking, prevents to produce eccentric torque.
The outside diameter of said cylindrical drillstock 9 is to let cylindrical drillstock 9 have enough physical strengths greater than the outside diameter of cylindrical drilling rod 6.
The outer round surface of said cylindrical drilling rod 6 is provided with the iron pin and goes out to move back groove 5, is to play the guiding role when going out to move back to the iron pin.
The outer round surface of said cylindrical drilling rod 6 is provided with iron pin back stop slot 7.Be to play certain disconnected pin effect when going out to move back to the iron pin.Prevent that its iron pin from twining workpiece.
Said plane of orientation 8 can use when its drill bit of installation and removal, can prevent that its drill bit from dropping suddenly and damage point of a knife.
The hollow boring bit of a kind of usefulness of taking a sample of the utility model, simple to operate, easy to use.The cost of manufacture expense is low, and the use cost expense is low.
Claims (6)
1. the hollow boring bit of the usefulness of taking a sample; Include cylindrical drilling rod (6), cylindrical drillstock (9) and alloy cutter head (4); It is characterized in that: said cylindrical drilling rod (6) is provided with the conical bore identical with its axial line (2), said conical bore (2) near the orifice diameter (3) of cylindrical drillstock (9) one ends greater than orifice diameter (1) near alloy cutter head (4) one ends; Simultaneously; The radius distance that constitutes outer point of a knife (10) to its axial line of outer cutting circle when alloy cutter head (4) is gone up drill hole sampling goes up the radius of outside surface to its axial line greater than cylindrical drilling rod (6), and the radius distance of interior point of a knife (11) to its axial line that constitutes incircle is less than half of the orifice diameter (1) of conical bore (2).
2. the hollow boring bit of a kind of usefulness of taking a sample according to claim 1 is characterized in that: the quantity of alloy cutter head (4) is even number, and more than or equal to four.
3. the hollow boring bit of a kind of usefulness of taking a sample according to claim 1 is characterized in that: the outside diameter of cylindrical drillstock (9) is greater than the outside diameter of cylindrical drilling rod (6).
4. the hollow boring bit of a kind of usefulness of taking a sample according to claim 1 is characterized in that: the outer round surface of cylindrical drilling rod (6) is provided with the iron pin and goes out to move back groove (5).
5. the hollow boring bit of a kind of usefulness of taking a sample according to claim 1 is characterized in that: the outer round surface of cylindrical drilling rod (6) is provided with iron pin back stop slot (7).
6. the hollow boring bit of a kind of usefulness of taking a sample according to claim 1 is characterized in that: the internal circular surfaces of conical bore (2) is provided with the iron pin and goes out to move back groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205521967U CN202393618U (en) | 2011-12-27 | 2011-12-27 | Hollow drill for sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205521967U CN202393618U (en) | 2011-12-27 | 2011-12-27 | Hollow drill for sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393618U true CN202393618U (en) | 2012-08-22 |
Family
ID=46668532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205521967U Expired - Lifetime CN202393618U (en) | 2011-12-27 | 2011-12-27 | Hollow drill for sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185674A (en) * | 2011-12-27 | 2013-07-03 | 山西天宝风电法兰有限公司 | Hollow drill bit for sampling |
| CN107748080A (en) * | 2017-09-26 | 2018-03-02 | 国核宝钛锆业股份公司 | A kind of metal material sampling method |
-
2011
- 2011-12-27 CN CN2011205521967U patent/CN202393618U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185674A (en) * | 2011-12-27 | 2013-07-03 | 山西天宝风电法兰有限公司 | Hollow drill bit for sampling |
| CN107748080A (en) * | 2017-09-26 | 2018-03-02 | 国核宝钛锆业股份公司 | A kind of metal material sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 035400 Beiguan Industrial Zone, Dingxiang County, Shanxi Province (Shanxi Tianbao Wind Power Flange Co., Ltd.) Patentee after: SHANXI TIANBAO GROUP CO., LTD. Address before: 035400 Beiguan Industrial Zone, Dingxiang County, Shanxi Province (Shanxi Tianbao Wind Power Flange Co., Ltd.) Patentee before: Shanxi Tianbao Wind Power Flange Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |