CN206468295U - A kind of hollow cylinder rock sample prepares drill bit and rig - Google Patents
A kind of hollow cylinder rock sample prepares drill bit and rig Download PDFInfo
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- CN206468295U CN206468295U CN201621286564.7U CN201621286564U CN206468295U CN 206468295 U CN206468295 U CN 206468295U CN 201621286564 U CN201621286564 U CN 201621286564U CN 206468295 U CN206468295 U CN 206468295U
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- drill bit
- big footpath
- boss
- drill
- rig
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Abstract
The utility model belongs to rock engineering equipment technical field, discloses a kind of hollow cylinder rock sample and prepares drill bit and rig, including：The big footpath drill bit and Small-diameter drill of drill bit pedestal and tubbiness；The Small-diameter drill is located in the big footpath drill bit, and both axis coincidings；The big footpath drill bit and the Small-diameter drill are fixed on the drill bit pedestal.The utility model provides a kind of precision height, and the efficient hollow rock sample of operation prepares drill bit.
Description
Technical field
The utility model is related to rock engineering equipment technical field, and prepared by more particularly to a kind of hollow cylinder rock sample bores
Head and rig.
Background technology
With China's expanding economy, infrastructure is largely built, and occurs in that deep buried tunnel, large span deep orebody are opened
Adopt, the complex engineering such as deep hole oil-gas mining.Research to rock basic mechanical performance is very necessary.It is used as study of rocks mechanical property
The important channel of energy-rock indoor experiment is significant.
For the mechanical property of the live country rock of reflection that can be authentic and valid, the preparation process of rock sample is particularly important.It is empty
Heart cylinder rock sample is a kind of important research object, by studying hollow cylinder rock, can reflect tunnel excavation process
The influence of intermediate principal stress axle rotation and the failure mode for excavating border.
But, hollow rock sample is typically that solid cylinder is first taken out on big sample, then is opened up on the solid cylinder
Hollow-core construction；But, this two-step method largely result in the error accumulation of two processes, have a strong impact on sample mass；
Simultaneously as two processes many times need more exchange device or structure, cause reference plane to change and just exacerbate this error,
Further deteriorate sample mass.
Utility model content
The utility model provides a kind of hollow cylinder rock sample and prepares drill bit and rig, solves hollow in the prior art
Rock sample preparation process causes sample error big, the technical problem of quality deterioration.
In order to solve the above technical problems, the utility model prepares drill bit there is provided a kind of hollow cylinder rock sample, including：
The big footpath drill bit and Small-diameter drill of drill bit pedestal and tubbiness；
The Small-diameter drill is located in the big footpath drill bit, and both axis coincidings；
The big footpath drill bit and the Small-diameter drill are fixed on the drill bit pedestal；
The drill bit pedestal includes：Base body；
Path boss is opened up on the base body, the path boss is embedded in the Small-diameter drill；
Big footpath boss is opened up on the base body, the big footpath boss is embedded in the big footpath drill bit；
Rig joint is opened up on the base body, for connecting rig；
Wherein, the rig joint, the axis coinciding of big footpath boss and path the boss three；The drill bit pedestal
On open up a through hole, path boss, big footpath boss and the rig joint described in the through hole insertion, for rig current note
Enter dust-proof temp-lowering.
Further, the big footpath boss is connected through a screw thread with the big footpath drill bit；The path boss with it is described small
Footpath drill bit is connected through a screw thread.
Further, the big footpath boss opens up into regular hexagon side wall, and the big footpath drill bit inwall sets matching
Regular hexagon structure；The path boss opens up into regular hexagon side wall, and the Small-diameter drill inwall sets matching
Regular hexagon structure.
Further, the top of the nearly rig joint side of the big footpath boss, which is opened up, radially extends structure, described big
Footpath drill bit is radially extended in structure described in being resisted against, and the big footpath boss is protruded for limiting the big footpath drill bit.
Further, the rig joint side wall open up into regular hexagon structure or set connection screw thread, for brill
Machine is fastenedly connected.
Further, the big footpath drill bit and the Small-diameter drill lower end open up tooth, are easy to drill through rock sample.
A kind of hollow cylinder rock sample prepares rig, including：Drill bit and drill main body；
The drill bit is fixedly linked by fastening structure with the drill main body.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The hollow cylinder rock sample provided in the embodiment of the present application prepares drill bit by by the different tubbiness of two kinds of diameters
Drill bit, which is coaxially nested together, to be fixed on drill bit pedestal, realizes drilling through for annular hollow rock sample；Realize the rock sample system settled at one go
Standby operation, it is to avoid the accumulations of error of two steps operations, greatly improves the preparation precision and quality of rock sample.
Further, due to the operation of a shaping so that the plane of reference of drilling operation is unified, so as to further suppress
Error caused by the conversion of different operating process so that rock sample quality is guaranteed.
Brief description of the drawings
Fig. 1 prepares drill bit structure schematic diagram for the hollow cylinder rock sample that the utility model is provided；
Fig. 2 is Fig. 1 top view.
Embodiment
The embodiment of the present application prepares drill bit and rig by providing a kind of hollow cylinder rock sample, solves prior art
In hollow rock sample preparation process cause sample error big, the technical problem of quality deterioration.Lifting rock sample matter is reached
The technique effect of amount.
In order to be better understood from above-mentioned technical proposal, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the utility model embodiment and embodiment are to this Shen
Please technical scheme detailed description, rather than the restriction to technical scheme, in the case where not conflicting, the application is real
Applying the technical characteristic in example and embodiment can be mutually combined.
Referring to Fig. 1 and Fig. 2, a kind of hollow cylinder rock sample prepares drill bit, including：Drill bit pedestal 3 and tubbiness it is big
Footpath drill bit 1 and Small-diameter drill 2；
The Small-diameter drill 2 is located in the big footpath drill bit 1, and both axis coincidings；
The big footpath drill bit 1 and the Small-diameter drill 2 are fixed on the drill bit pedestal 3.
That is, the structure for forming the double drill bits of annular once drills through hollow annular sample.Efficiently and accumulated error can be avoided, protect
Demonstrate,prove rock sample quality；Lifting drills through efficiency simultaneously.
Further, the drill bit pedestal 3 includes：Base body；
Path boss 4 is opened up on the base body, the path boss 4 is embedded in the Small-diameter drill 2；
Big footpath boss 5 is opened up on the base body, the big footpath boss 5 is embedded in the big footpath drill bit 1；
Rig joint 6 is opened up on the base body, for connecting rig；
Wherein, the axis coinciding of the rig joint 6, the big footpath boss 5 and the three of path boss 4, so as to ensure
Rig output end, big footpath drill bit 1 and the axis coinciding of Small-diameter drill 2.
Further, the big footpath boss 5 is connected through a screw thread with the big footpath drill bit 1；The path boss 4 with it is described
Small-diameter drill 2 is connected through a screw thread；Relative rock is greatly reduced caused by joint gap.
Or, the big footpath boss 5 opens up into regular hexagon side wall, and the big inwall of footpath drill bit 1 sets matching
Regular hexagon structure；The path boss 4 opens up into regular hexagon side wall, and the inwall of Small-diameter drill 2 sets matching
Regular hexagon structure；So that the torque of rig can efficiently pass to drill bit, lifting drills through connected rate.
Further, a through hole 7 is opened up on the drill bit pedestal, path boss 4, big footpath are convex described in the insertion of through hole 7
Platform 5 and the rig joint 6, dust-proof temp-lowering is injected for rig current.
Further, the top of the nearly side of rig joint 6 of the big footpath boss 5, which is opened up, radially extends structure 8, described
Big footpath drill bit is radially extended in structure 8 described in being resisted against, and the big footpath boss 5 is protruded for limiting the big footpath drill bit 1.
Further, the side wall of rig joint 6 open up into regular hexagon structure or set connection screw thread, for brill
Machine is fastenedly connected；Lift the reliability of connection and the transmission efficiency of moment of torsion.
Further, the big footpath drill bit 1 and the lower end of the Small-diameter drill 2 open up tooth, are easy to drill through rock sample.
The present embodiment also proposes a kind of rig based on above-mentioned drill bit.
A kind of hollow cylinder rock sample prepares rig, including：Drill bit and drill main body；
The drill bit is fixedly linked by fastening structure with the drill main body.
The one or more technical schemes provided in the embodiment of the present application, have at least the following technical effects or advantages：
The hollow cylinder rock sample provided in the embodiment of the present application prepares drill bit by by the different tubbiness of two kinds of diameters
Drill bit, which is coaxially nested together, to be fixed on drill bit pedestal, realizes drilling through for annular hollow rock sample；Realize the rock sample system settled at one go
Standby operation, it is to avoid the accumulations of error of two steps operations, greatly improves the preparation precision and quality of rock sample.
Further, due to the operation of a shaping so that the plane of reference of drilling operation is unified, so as to further suppress
Error caused by the conversion of different operating process so that rock sample quality is guaranteed.
It should be noted last that, above embodiment is only to illustrate the technical solution of the utility model rather than limit
System, although the utility model is described in detail with reference to example, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent substitution, without departing from the spirit and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (7)
1. a kind of hollow cylinder rock sample prepares drill bit, it is characterised in that including：The big footpath drill bit of drill bit pedestal and tubbiness
And Small-diameter drill；
The Small-diameter drill is located in the big footpath drill bit, and both axis coincidings；
The big footpath drill bit and the Small-diameter drill are fixed on the drill bit pedestal；
The drill bit pedestal includes：Base body；
Path boss is opened up on the base body, the path boss is embedded in the Small-diameter drill；
Big footpath boss is opened up on the base body, the big footpath boss is embedded in the big footpath drill bit；
Rig joint is opened up on the base body, for connecting rig；
Wherein, the rig joint, the axis coinciding of big footpath boss and path the boss three；
A through hole is opened up on the drill bit pedestal, path boss, big footpath boss and the rig connect described in the through hole insertion
Head, dust-proof temp-lowering is injected for rig current.
2. hollow cylinder rock sample as claimed in claim 1 prepares drill bit, it is characterised in that：The big footpath boss with it is described
Big footpath drill bit is connected through a screw thread；The path boss is connected through a screw thread with the Small-diameter drill.
3. hollow cylinder rock sample as claimed in claim 1 prepares drill bit, it is characterised in that：The big footpath boss is opened up into
Regular hexagon side wall, the big footpath drill bit inwall sets matching regular hexagon structure；The path boss is opened up into just
Hexagonal side wall, the Small-diameter drill inwall sets matching regular hexagon structure.
4. the hollow cylinder rock sample as described in any one of claims 1 to 3 prepares drill bit, it is characterised in that：
The top of the nearly rig joint side of the big footpath boss, which is opened up, radially extends structure, and the big footpath drill bit is resisted against institute
State and radially extend in structure, the big footpath boss is protruded for limiting the big footpath drill bit.
5. hollow cylinder rock sample as claimed in claim 4 prepares drill bit, it is characterised in that：The rig joint side wall is opened
It is set as regular hexagon structure or connection screw thread is set, for is fastenedly connected with rig.
6. hollow cylinder rock sample as claimed in claim 5 prepares drill bit, it is characterised in that：The big footpath drill bit and described
Small-diameter drill lower end opens up tooth, is easy to drill through rock sample.
7. a kind of hollow cylinder rock sample prepares rig, it is characterised in that including：Drill bit as claimed in claim 1 and
Drill main body；
The drill bit is fixedly linked by fastening structure with the drill main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286564.7U CN206468295U (en) | 2016-11-25 | 2016-11-25 | A kind of hollow cylinder rock sample prepares drill bit and rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621286564.7U CN206468295U (en) | 2016-11-25 | 2016-11-25 | A kind of hollow cylinder rock sample prepares drill bit and rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468295U true CN206468295U (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621286564.7U Active CN206468295U (en) | 2016-11-25 | 2016-11-25 | A kind of hollow cylinder rock sample prepares drill bit and rig |
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| CN (1) | CN206468295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368613A (en) * | 2016-11-25 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | Drill bit and drilling machine for preparing hollow cylindrical rock specimen |
-
2016
- 2016-11-25 CN CN201621286564.7U patent/CN206468295U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106368613A (en) * | 2016-11-25 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | Drill bit and drilling machine for preparing hollow cylindrical rock specimen |
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