CN205503028U - Rotary drilling rig drill rod capable of preventing pressurization table from cracking - Google Patents
Rotary drilling rig drill rod capable of preventing pressurization table from cracking Download PDFInfo
- Publication number
- CN205503028U CN205503028U CN201521079618.8U CN201521079618U CN205503028U CN 205503028 U CN205503028 U CN 205503028U CN 201521079618 U CN201521079618 U CN 201521079618U CN 205503028 U CN205503028 U CN 205503028U
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- CN
- China
- Prior art keywords
- programme
- last item
- theatrical performance
- presenting
- cracking
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- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 47
- 238000005336 cracking Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 11
- 229910000679 solder Inorganic materials 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 5
- 241000826860 Trapezium Species 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A rotary drilling rig drill rod capable of preventing a pressurizing table from cracking is suitable for being used in a drilling process of a rotary drilling rig of engineering machinery. The spiral drilling machine comprises a plurality of sections of rods which are sleeved into a whole in sequence, wherein the sections of rods are composed of steel pipes, outer keys a and outer keys b which are staggered in the axial direction are alternately arranged on the steel pipes, oblique tooth plates and pressurizing tables are alternately and repeatedly arranged between the outer keys a and the outer keys b on the steel pipes, the oblique tooth plates and the pressurizing tables are both of a trapezoidal structure, rivet welding holes with the same shape are formed in the middle of the oblique tooth plates and the pressurizing tables, the oblique tooth plates correspond to inner keys in the section rods sleeved in a matched mode, the corresponding matching surfaces of the pressurizing tables and the inner keys and the corresponding matching surfaces of the adjacent oblique tooth plates and the inner keys in the section rods sleeved in a matched mode are staggered in the axial direction of the section rods, the spiral drilling machine is reasonable in structure, stress concentration of the pressurizing tables and the oblique tooth plates in the using process can be effectively prevented, cracking of the pressurizing tables, the outer keys or the steel pipes is caused, and the service life.
Description
Technical field
This utility model relates to a kind of drilling machine drilling rod, is particularly suited for the drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme that engineering machinery rotary drilling rig uses in drilling process.
Background technology
Existing rotary drilling rig is according to the difference of construction requirement, normally used is that length can be in the way of the Multi section bar pipe layer overlaps of regulation clamping, during this structure site construction softer on stratum, drilling rod and drill bit can rely on the gravity of self and frictional force each other to realize creeping into of drilling rod, but when the lithosphere construction that geology is harder, it is far from being enough against the frictional force between self gravity and inside and outside bar, this be will outer layer drilling rod internal key drive nexine drilling rod external key rotate, apply certain pressure simultaneously and could realize creeping into of drilling machine drilling rod on nexine drilling rod.The most in the course of the work, drilling rod is by reversing, shear and the combined stress such as pressurization being acted on, it will usually occurs adding present a theatrical performance as the last item on a programme cracking, external key cracking, steel pipe and ftractures and the phenomenon such as weld cracking, and then cause drill rod breaking, affects project progress.The adding of this drilling rod, presents a theatrical performance as the last item on a programme and generally passes through a plurality of solder design with steel pipe, external key, amass mutable site at pressurization table top, the intersection playing solder joint and receipts acnode, weld seam of weld seam produces bigger welding residual stress and stress is concentrated, it is referred to as the weakness zone during drilling rod uses, during use the most cracking at these positions, cause drilling rod that fracture occurs, affect product quality.
Utility model content
For solving the problems referred to above, this use new design is a kind of can reduce use during stress concentrate add press platform structure, adding presents a theatrical performance as the last item on a programme still uses the mode of welding to be connected with steel pipe, external key, but is structurally improved, and decreases the stress concentration portion position and the handing-over of weld seam added in presenting a theatrical performance as the last item on a programme.
For achieving the above object, the drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme of the present utility model, including the some poles being set in one successively, described pole is made up of steel pipe, steel pipe is alternately provided with on axially the external key a and external key b mutually staggered, being alternately repeated between external key a and external key b on steel pipe and be provided with oblique dental lamina and adding and present a theatrical performance as the last item on a programme, wherein tiltedly dental lamina play the guiding role in drilling rod work process, and adding presents a theatrical performance as the last item on a programme applies downward loading force to drilling rod in drilling rod work process.Described oblique dental lamina is trapezium structure with adding to present a theatrical performance as the last item on a programme, and middle part has the rivet welding hole identical with its profile, is prevented effectively from and occurs that sectional area suddenlys change, and produces stress and concentrates；Tiltedly dental lamina is corresponding with adding the internal key with in the pole of the suit that matches of presenting a theatrical performance as the last item on a programme, and mutually staggers in the axial direction of described pole in the corresponding matching face adding corresponding matching face and the adjacent oblique dental lamina with the internal key in the pole mating suit presented a theatrical performance as the last item on a programme with described internal key.
Present a theatrical performance as the last item on a programme in described oblique dental lamina and external key a junction and adding and external key b junction uses arc transition, effectively reduces the factor of stress concentration；Described oblique dental lamina is in same level with the solder joint and top, rivet welding hole that add present a theatrical performance as the last item on a programme side and steel-pipe welding, decreases weld seam in work process and plays the stress concentration at solder joint；Described present a theatrical performance as the last item on a programme side and the steel pipe welding of adding picks up solder joint top and has less one of angle and write plane, it is simple to finds to add in work process and presents a theatrical performance as the last item on a programme；Weld oblique dental lamina, add present a theatrical performance as the last item on a programme, external key a, external key b time use and be welded to connect, then use the structure lacking weldering in position, weld seam boundary, it is to avoid the stress of position, weld seam boundary is concentrated.
Technique effect: novel the presenting a theatrical performance as the last item on a programme for adding of drilling machine drilling rod of this use, pole is alternately repeated and is provided with oblique dental lamina and adding and presents a theatrical performance as the last item on a programme, described oblique dental lamina is trapezium structure with adding to present a theatrical performance as the last item on a programme, and middle part has the rivet welding hole identical with its profile, decrease and add the sudden change that middle section of presenting a theatrical performance as the last item on a programme is long-pending, add and add the arc transition presented a theatrical performance as the last item on a programme and between external key, effectively reduce the factor of stress concentration；Add side of presenting a theatrical performance as the last item on a programme to play solder joint and extreme higher position, rivet welding hole and be in same level, reduce weld seam and play the stress at solder joint, be effectively reduced position and the area of weld seam handing-over, reduce the welding residual stress in these regions.
Accompanying drawing explanation
Fig. 1 is of the present utility model to add structural representation of presenting a theatrical performance as the last item on a programme；
Fig. 2 is the drilling machine drilling rod structural representation that this utility model prevents from adding cracking of presenting a theatrical performance as the last item on a programme.
In figure: the oblique tooth of 1-, 2-external key, 3-adds and presents a theatrical performance as the last item on a programme, 4-external key, 5-steel pipe.
Detailed description of the invention
Below in conjunction with to emulation experiment and the accompanying drawing of example, the present invention is described in further detail.
As depicted in figs. 1 and 2, the drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme of the present utility model, including the some poles being set in one successively, described pole is made up of steel pipe 5, steel pipe 5 is alternately provided with on axially the external key a2 and external key b4 mutually staggered, it is alternately repeated between external key a2 and external key b4 on steel pipe 5 and is provided with oblique dental lamina and adding and presents a theatrical performance as the last item on a programme 3, present a theatrical performance as the last item on a programme and 3 use arc transition with external key b4 junction in described oblique dental lamina 1 and external key a2 junction and adding, effectively reduce the factor of stress concentration, described oblique dental lamina 13 is trapezium structure with adding to present a theatrical performance as the last item on a programme, and middle part has the rivet welding hole identical with its profile, it is prevented effectively from and occurs that sectional area suddenlys change, generation stress is concentrated；Described oblique dental lamina 1 with add that 3 sides of presenting a theatrical performance as the last item on a programme weld with steel pipe 5 play solder joint and top, rivet welding hole is in same level, decrease weld seam in work process and play the stress at solder joint and concentrate.Tiltedly dental lamina 1 and adding present a theatrical performance as the last item on a programme 3 and the internal key that matches in the pole being set with corresponding, adding presents a theatrical performance as the last item on a programme 3 mutually staggers in the axial direction of described pole with the corresponding matching face in the corresponding matching face of described internal key with adjacent oblique dental lamina 1 with the internal key mated in the pole being set with.Described 3 sides of presenting a theatrical performance as the last item on a programme that add have been welded solder joint top and are had less one of angle and write plane with steel pipe 5, it is simple to find to add in work process and present a theatrical performance as the last item on a programme.Weld oblique dental lamina 1, add present a theatrical performance as the last item on a programme 3, external key a2, external key b4 time use and be welded to connect, then use the structure lacking weldering in position, weld seam boundary, it is to avoid the stress of position, weld seam boundary is concentrated.
Above description is to explanation of the present utility model, is not the restriction to utility model, and for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (5)
1. the drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme, including the some poles being set in one successively, described pole is made up of steel pipe (5), steel pipe (5) is alternately provided with on axially the external key a(2 mutually staggered) and external key b(4), it is characterized in that: the external key a(2 on steel pipe (5)) and external key b(4) between be alternately repeated and be provided with oblique dental lamina (1) and add present a theatrical performance as the last item on a programme (3), described oblique dental lamina (1) is trapezium structure with adding present a theatrical performance as the last item on a programme (3), and middle part has the rivet welding hole identical with its profile, it is prevented effectively from and occurs that sectional area suddenlys change, generation stress is concentrated；
Tiltedly dental lamina (1) is corresponding with adding the internal key presenting a theatrical performance as the last item on a programme (3) with in the pole of the suit that matches, and adds present a theatrical performance as the last item on a programme (3) and mutually staggers in the axial direction of described pole with the corresponding matching face in the corresponding matching face of described internal key with adjacent oblique dental lamina (1) with the internal key in the pole mating suit.
The drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme the most according to claim 1, it is characterized in that: described oblique dental lamina (1) and external key a(2) junction and add present a theatrical performance as the last item on a programme (3) and external key b(4) junction uses arc transition, effectively reduces the factor of stress concentration.
The drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme the most according to claim 1, it is characterized in that: described oblique dental lamina (1) with add that (3) side of presenting a theatrical performance as the last item on a programme welds with steel pipe (5) play solder joint and top, rivet welding hole is in same level, decrease weld seam in work process and play the stress at solder joint and concentrate.
The most according to claim 1 prevent from adding the drilling machine drilling rod of cracking of presenting a theatrical performance as the last item on a programme, it is characterised in that add (3) side of presenting a theatrical performance as the last item on a programme described in: and welded solder joint top with steel pipe (5) and there is less one of angle write plane, it is simple in work process, searching adds and presents a theatrical performance as the last item on a programme.
The drilling machine drilling rod preventing from adding cracking of presenting a theatrical performance as the last item on a programme the most according to claim 1, it is characterized in that: weld oblique dental lamina (1), add present a theatrical performance as the last item on a programme (3), external key a(2), external key b(4) time use be welded to connect, then use the structure lacking weldering in position, weld seam boundary, it is to avoid the stress of position, weld seam boundary is concentrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079618.8U CN205503028U (en) | 2015-12-23 | 2015-12-23 | Rotary drilling rig drill rod capable of preventing pressurization table from cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079618.8U CN205503028U (en) | 2015-12-23 | 2015-12-23 | Rotary drilling rig drill rod capable of preventing pressurization table from cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503028U true CN205503028U (en) | 2016-08-24 |
Family
ID=56721618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521079618.8U Expired - Fee Related CN205503028U (en) | 2015-12-23 | 2015-12-23 | Rotary drilling rig drill rod capable of preventing pressurization table from cracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857285A (en) * | 2018-07-26 | 2018-11-23 | 天津鸿翔工程机械有限公司 | A kind of processing technology of machine locking-type drilling rod |
| CN112878926A (en) * | 2021-02-02 | 2021-06-01 | 徐州恒兴金桥机械科技有限公司 | Novel drill rod pressurizing block |
-
2015
- 2015-12-23 CN CN201521079618.8U patent/CN205503028U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857285A (en) * | 2018-07-26 | 2018-11-23 | 天津鸿翔工程机械有限公司 | A kind of processing technology of machine locking-type drilling rod |
| CN112878926A (en) * | 2021-02-02 | 2021-06-01 | 徐州恒兴金桥机械科技有限公司 | Novel drill rod pressurizing block |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20181223 |