CN203729890U - Water inlet and return pipe connector of drilling machine - Google Patents
Water inlet and return pipe connector of drilling machine Download PDFInfo
- Publication number
- CN203729890U CN203729890U CN201320875670.9U CN201320875670U CN203729890U CN 203729890 U CN203729890 U CN 203729890U CN 201320875670 U CN201320875670 U CN 201320875670U CN 203729890 U CN203729890 U CN 203729890U
- Authority
- CN
- China
- Prior art keywords
- flange
- arc
- rig
- pipe joint
- flange piece
- 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 - Fee Related
Links
Abstract
The utility model relates to a water inlet and return pipe connector of a drilling machine. The water inlet and return pipe connector of the drilling machine comprises an inner pipe, wherein the top of the inner pipe is provided with an annular connecting flange. The annular connecting flange is of a split-type structure, and comprises a plurality of arc-shaped flange blocks, wherein each arc-shaped flange block is provided with an installation hole, and the connection side face of the adjacent arc-shaped flange blocks is provided with a match installation structure. Compared with the prior art, the whole circular connecting flange does not need to be disassembled in the process of cleaning the water inlet and return pipe connector, a corresponding number of the arc-shaped flange blocks can be disassembled according to the requirement, operation is convenient, and cleaning efficiency of the water inlet and return pipe connector is improved.
Description
Technical field
The utility model relates to rig field, relates in particular to a kind of rig and enters returning pipe joint.
Background technology
Rig has polytype, can be divided into rock-core borer, oil-well rig, survey for the purpose of locating hydrogeological resources and water drilling rig, engineering geologic investigation rig, underground drill rig and engineering driller etc. by purposes, wherein in the engineering driller of pipe with small pipe diameter or punching rig, because rig inner space is limited, enter backwater by same drilling rod sleeve pipe.Because caliber is less, enter in backwater the impurity such as mudstone more in addition, the connectivity part of union is often blocked.Existing enter returning pipe joint in when cleaning, at least need to dismantle 4 flanges, more than 30 screw and 2 water pipes, cleaning process is loaded down with trivial details, takes time and effort, and affects programming.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cleaning, rig that maintenance efficiency is high to enter returning pipe joint for prior art.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of rig enters returning pipe joint, comprise inner tube, the top of inner tube is provided with annular adpting flange, it is characterized in that: described annular adpting flange is Split type structure, comprise multiple arc flange pieces, on each arc flange piece, be provided with installing hole, and be provided with cooperation mounting structure on the connection side of adjacent arc flange interblock.
Described cooperation mounting structure can have multiple implementation, as preferably: described cooperation mounting structure is step fit structure, in a pair of adjacent arc flange piece, wherein in the square sides of an arc flange piece, offer first of certain depth downwards along the end face of this flange piece groove is installed, upwards offer the second installation groove along the bottom surface of this arc flange piece and connect on side in the correspondence of another arc flange piece, thereby form with described first the installation base that groove matches is installed along the end face of this arc flange piece, make the first installation groove and installation base form step fit structure.
As preferably, described arc flange piece is divided equally and is formed by the straight line in the center of circle by described arc adpting flange place plane, and arc flange piece not only facilitates processing and fabricating like this, and in scale removal process, can dismantle as required the arc flange piece of respective numbers.
Further, described arc flange piece is two, be half ring flange piece, and centered by the described center of circle, on described annular adpting flange, circumference is equipped with 4 or 6 axial penetrating mounting holes, and the interval angle between adjacent installing hole is 90 ° or 60 °, and the straight line side of installing hole and described arc flange piece staggers, the design of two arc flange pieces not only makes this annular connecting flange structure simple, and handled easily in use.
Further again, the height of described installation base and described first degree of depth that groove is installed are the half of described annular adpting flange thickness, facilitate like this processing of step fit structure, and make to coordinate closely between arc flange piece.
Further again, it is the half of described annular adpting flange thickness that described installation base and described first is installed the width of groove, and arc flange piece is positive and negative all can use for each, facilitates fitting operation.
Further, the below of described annular adpting flange is provided with clamp flange, between annular adpting flange and clamp flange, be provided with sealing mat, described in each, in installing hole, be provided with a securing member, and this securing member wears described circular adpting flange, sealing mat and clamp flange from top to bottom successively, thereby described circular adpting flange is closely connected with the top of described inner tube.
As preferably, described securing member is screw.
Compared with prior art, the utility model has the advantage of: annular adpting flange is divided into multiple arc flange pieces, and be provided with cooperation mounting structure on the connection side of adjacent arc flange interblock, like this entering in returning pipe joint scale removal process, without the whole annular adpting flange of dismounting, the arc flange piece that can dismantle as required respective numbers, has facilitated operation, has effectively improved and has entered returning pipe joint cleaning efficiency.
Brief description of the drawings
Fig. 1 is that in the utility model embodiment, rig enters returning pipe joint structural representation;
Fig. 2 is annular connecting flange structure schematic diagram in the utility model embodiment;
Fig. 3 is that Fig. 2 is along A-A direction sectional view.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Be illustrated in figure 1 a kind of rig and enter returning pipe joint 1, comprise inner tube 11 and outer tube 12, the top of inner tube 11 is provided with an annular adpting flange 2.As shown in Figures 2 and 3, this annular adpting flange 2 is divided equally as two parts as cut-off rule taking the straight line in the center of circle by its place plane, and this annular adpting flange 2 comprises two and half ring flange pieces 21.The two ends of two and half ring flange pieces 21 coordinate mounting structure in conjunction with close-fitting by one respectively, in the present embodiment, this cooperation mounting structure is step fit structure, be specially: in the square sides of half ring flange piece 21, offer first of certain depth downwards along the end face of this flange piece therein groove 22 is installed, upwards offer the second installation groove 24 along the bottom surface of this semi-circular flange piece 21 and connect on side in the correspondence of second half annular flange piece 21, thereby form with first the installation base 23 that groove 22 matches is installed along the end face of this semi-circular flange piece 21, make the first installation groove 22 form step fit structure with installation base 23.Wherein, the height of installation base 23 and first degree of depth that groove 22 is installed are the half of annular adpting flange 21 thickness, installation base 23 and the first width that groove 22 is installed are the half of annular adpting flange 21 thickness simultaneously, so not only facilitate the processing of the first installation groove 22 and installation base 23, and make positive and negative equal can the use of half ring flange piece 21, handled easily.
For making this annular flange piece 21 be assemblied in securely the top of inner tube 11, the below of annular adpting flange 2 is provided with clamp flange 5, between annular adpting flange 2 and clamp flange 5, is provided with rubber gasket 4.Simultaneously, on annular adpting flange 2, circumference is equipped with 6 installing holes that run through up and down 3, the interval angle that is 3 of adjacent installing holes is 60 °, on each semi-circular flange piece 21, be provided with 3 installing holes 3, and installing hole 3 staggers with the straight line side of semi-circular flange piece 31, in rubber gasket 4 and clamp flange 5, offer respectively the pilot hole corresponding with installing hole 3 41, 51, in each installing hole 3, be provided with a screw (not shown), this screw wears the pilot hole 41 on installing hole 3 and sealing mat 4 and the clamp flange 5 on annular adpting flange 2 from top to bottom successively, 51, thereby annular adpting flange 2 is closely connected with the top of inner tube 11.
This enters returning pipe joint 1 while clearing up, first dismantle 3 screws on half ring flange piece 21 wherein, take off this half ring flange piece 21, rubber gasket 4 is raised to an osculum,, through the openning starting the mud in inner tube 11 and sandstone are cleared up with small-bore bar.After cleaning out, cover the half ring flange piece 21 of just having removed, suitably adjust the gap between two halves ring flange piece 21, make the installing hole 3 on half ring flange piece 21 align with the pilot hole 41,51 on rubber gasket 4 and clamp flange 5 simultaneously, screw is inserted in installing hole 3, and screw, make on two halves ring flange piece 21 step fit structure closely cooperate, thereby under the acting in conjunction of rubber gasket 4, reach good sealing effectiveness.
Claims (8)
1. a rig enters returning pipe joint, comprise inner tube, the top of inner tube is provided with annular adpting flange, it is characterized in that: described annular adpting flange is Split type structure, comprise multiple arc flange pieces, on each arc flange piece, be provided with installing hole, and be provided with cooperation mounting structure on the connection side of adjacent arc flange interblock.
2. rig as claimed in claim 1 enters returning pipe joint, it is characterized in that: described cooperation mounting structure is step fit structure, in a pair of adjacent arc flange piece, wherein in the square sides of an arc flange piece, offer first of certain depth downwards along the end face of this flange piece groove is installed, upwards offer the second installation groove along the bottom surface of this arc flange piece and connect on side in the correspondence of another arc flange piece, thereby form with described first the installation base that groove matches is installed along the end face of this arc flange piece, make the first installation groove and installation base form step fit structure.
3. rig as claimed in claim 1 or 2 enters returning pipe joint, it is characterized in that: described arc flange piece is divided equally and formed by the straight line in the center of circle by described arc adpting flange place plane.
4. rig as claimed in claim 3 enters returning pipe joint, it is characterized in that: described arc flange piece is two, be half ring flange piece, and centered by the described center of circle, on described annular adpting flange, circumference is equipped with 4 or 6 installing holes that run through up and down, be that interval angle between adjacent installing hole is 90 ° or 60 °, and the straight line side of installing hole and described arc flange piece stagger.
5. rig as claimed in claim 4 enters returning pipe joint, it is characterized in that: the height of described installation base and described first degree of depth that groove is installed are the half of described annular adpting flange thickness.
6. rig as claimed in claim 5 enters returning pipe joint, it is characterized in that: described installation base and the described first width that groove is installed are the half of described annular adpting flange thickness.
7. rig as claimed in claim 6 enters returning pipe joint, it is characterized in that: the below of described annular adpting flange is provided with clamp flange, between annular adpting flange and clamp flange, be provided with sealing mat, described in each, in installing hole, be provided with a securing member, and this securing member wears described annular adpting flange, sealing mat and clamp flange from top to bottom successively, thereby described annular adpting flange is closely connected with the top of described inner tube.
8. rig as claimed in claim 7 enters returning pipe joint, it is characterized in that: described securing member is screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875670.9U CN203729890U (en) | 2013-12-27 | 2013-12-27 | Water inlet and return pipe connector of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320875670.9U CN203729890U (en) | 2013-12-27 | 2013-12-27 | Water inlet and return pipe connector of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203729890U true CN203729890U (en) | 2014-07-23 |
Family
ID=51199970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320875670.9U Expired - Fee Related CN203729890U (en) | 2013-12-27 | 2013-12-27 | Water inlet and return pipe connector of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203729890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867588A (en) * | 2015-12-14 | 2017-06-20 | 神华集团有限责任公司 | Tripper, sub-material ejection assemblies, gasification furnace and synthesis gas production method and system |
-
2013
- 2013-12-27 CN CN201320875670.9U patent/CN203729890U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106867588A (en) * | 2015-12-14 | 2017-06-20 | 神华集团有限责任公司 | Tripper, sub-material ejection assemblies, gasification furnace and synthesis gas production method and system |
| CN106867588B (en) * | 2015-12-14 | 2021-05-28 | 神华集团有限责任公司 | Distributor, distribution injection assembly, gasification furnace and synthesis gas production method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |