CN104358528A - Alarming drill rod for drilling of horizontal directional drilling machine - Google Patents
Alarming drill rod for drilling of horizontal directional drilling machine Download PDFInfo
- Publication number
- CN104358528A CN104358528A CN201410634029.5A CN201410634029A CN104358528A CN 104358528 A CN104358528 A CN 104358528A CN 201410634029 A CN201410634029 A CN 201410634029A CN 104358528 A CN104358528 A CN 104358528A
- Authority
- CN
- China
- Prior art keywords
- drill rod
- rod body
- bar body
- hollow straight
- flushing liquor
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 49
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 238000011010 flushing procedure Methods 0.000 claims description 36
- 230000002262 irrigation Effects 0.000 claims description 18
- 238000003973 irrigation Methods 0.000 claims description 18
- 238000005406 washing Methods 0.000 abstract 8
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an alarming drill rod for the drilling of a horizontal directional drilling machine. The alarming drill rod comprises a drill rod body, wherein a female joint is fixedly arranged at the rear end of the drill rod body; a washing fluid inlet cavity is formed in the female joint; a male joint is fixedly arranged at the front end of the drill rod body; a washing fluid outlet cavity is formed in the male joint; a hollow straight rod body is arranged in the drill rod body; an inner cavity of the hollow straight rod body is set to be a washing fluid passage I communicated with the washing fluid inlet cavity and the washing fluid outlet cavity; a chamber between the outer wall of the hollow straight rod body and the inner wall of the drill rod body is a washing fluid passage II; a washing fluid control switch is arranged in front of the hollow straight rod body. According to the alarming drill rod, a valve element is forced by the hollow straight rod body to move forwards along a guide groove of a valve seat under the resistance of a compression spring so as to automatically close a washing fluid flow passage, then the indication of a pressure meter of a surface mud pump sharply increases, and an alarming prompt is given, so that the drill rod is protected from being excessively bent and deformed, and the service life of the drill rod is prolonged.
Description
Technical field
The present invention relates to a kind of laying project field of non-excavation underground pipeline, particularly a kind of horizontal directional drilling machine to creep into and use warning drilling rod.
Background technology
The application of Horizontal Directional Drilling in trenchless pipelaying engineering is very extensive, and piping work is generally divided into three phases, namely pilot hole creep into, pull back reaming and pipe laying.Pilot hole refers to that first that utilize band inclined-plane, that diameter is less drill bit forms the guide hole of minor diameter, for follow-up reaming and pipe laying provide guidance function according to predetermined planned course.In work progress, drilling rod is as the instrument of underground job, working condition is complicated and changeable, very different, practical experience tells that the greatest danger of our drilling rod fatigue is exactly excessive break-in, so-called excessively break-in refers to the break-in of the specified minimum bending radius exceeding drilling rod, excessive break-in is the reason causing drill pipe wear, and drilling rod can be caused to fracture.Because drilling rod during directional drilling break-in can produce the bending of certain amount of deflection in practice of construction, drilling rod break-in mainly contains following three kinds: by the section of burying adjust to vertical direction when horizontal segment changes bending break-in, to be adjusted to unearthed section by horizontal segment time the bending break-in of vertical direction and guiding time need walk around the bending break-in of the horizontal or vertical direction of underground obstacle.But the polytropy in practice of construction process because starter direction in guiding process is very difficult true Accurate Measurement, so how to ensure that drilling rod does not exceed the specified minimum bending radius of drilling rod when break-in, just becomes technical issues that need to address.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, and propose one and avoid drilling rod generation overbending to be out of shape, the horizontal directional drilling machine that can extend drilling life of drill pipe creeps into uses warning drilling rod.
The technical problem to be solved in the present invention is achieved through the following technical solutions, a kind of horizontal directional drilling machine creeps into uses warning drilling rod, comprise drill rod body, female joint is fixed with in the rear end of drill rod body, the inside of female joint is provided with flushing liquor admission chamber, male joint is fixed with in the front end of drill rod body, the inside of male joint is provided with flushing liquor and goes out sap cavity, be characterized in: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat is provided with the flushing liquor through-flow channel going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat along the axial arranged gathering sill of drill rod body, the spool that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring is provided with between spool and valve seat, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool, the beloid taper guiding cap coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and described hollow straight-bar body comprises front thin bar body and rear thick bar body, and the rear portion of front thin bar body connects with the front threads of rear thick bar body.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, and the outer wall of front thin bar body and rear thick bar body is equipped with handling groove during spanner handling.
The technical problem to be solved in the present invention can also be come to realize further by the following technical programs, is provided with two groups side by side before and after described through hole, and often group is all uniformly distributed along the circumference of front thin bar body.
Compared with prior art, structure of the present invention is simple, reliable operation, easy realization, utilize the inside being arranged on drill rod body parallel hollow straight-bar body axial with drill rod body, if there is the excessive break-in of drilling rod in pilot hole drilling process, spool will be forced to move forward along valve seat gathering sill under the resistance of Compress Spring, spool is made automatically to close flushing liquor through-flow channel, thus earth's surface slush pump gage indicates sharply rising to send alarm, like this, decrease the breaking of rod accident that drilling rod occurs because of overbending in underground construction, protect drilling rod to avoid overbending distortion occurs, extend the application life of drilling rod, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
A kind of horizontal directional drilling machine creeps into uses warning drilling rod, comprise drill rod body 5, female joint 1 is fixed with in the rear end of drill rod body 5, the inside of female joint 1 is provided with flushing liquor admission chamber 2, male joint 13 is fixed with in the front end of drill rod body 5, the inside of male joint 13 is provided with flushing liquor and goes out sap cavity 14, it is characterized in that: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body 5, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat 12 is provided with the flushing liquor through-flow channel 11 going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat 12 along the axial arranged gathering sill of drill rod body, the spool 9 that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring 10 is provided with between spool 9 and valve seat 12, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool 9, the beloid taper guiding cap 8 coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.The raw material of described male and female joint are 42CrMo, through blanking, rough turn, modified, half fine turning outer circle, and button chosen by finish turning, and plug ring rule and plug ring light rule are detected, nickel plating phosphorus, tempering, the formation to be welded of car planar end surface; Described drill rod body raw material are 26CrMo, and through blanking, end upsetting, overall modified, surface scale process, alignment, total length carrying out flaw detection, car flat two ends end face and each size of endoporus are formed.The rear end of described Compress Spring keeps close contact with spool all the time, for controlling the operating position of spool.After each of the inside assembling of described drill rod body completes, then carry out friction welding with male and female joint respectively, there is the box supporting with drilling rod the rear end of female joint, and there is the pin thread supporting with drilling rod the front end of male joint, thus realizes this device and be connected with the supporting of drilling rod.
This equipment is installed between first drilling rod be connected with starter and second drilling rod, when guide hole path does not exceed the specified minimum bending radius of drilling rod, flushing liquor can freely flow out from the duct of this device, now this device act as the drilling rod use of a segment length, slush pump gage display service pressure; When there is excessive break-in (namely pilot hole real radius is beyond the specified minimum bending radius of drilling rod) in guide hole process, drill rod body when occuring bending and deformation again because the effect of thin bar body forces spool to move forward along gathering sill under the resistance of Compress Spring before having, the flushing liquor through-flow channel of valve seat is made to be plugged, on the operating desk of earth's surface, slush pump gage indicates sharply to rise and sends alarm, at this moment will return a segment distance, waiting reports to the police stop after guide hole again.By alarm, whether constructor can monitor guide path at any time and use in the specified minimum bending radius of drilling rod, can greatly reduce the breaking of rod accident that drilling rod especially occurs because of overbending when break-in in guide hole process like this.
Described hollow straight-bar body comprises front thin bar body 6 and rear thick bar body 3, and the rear portion of front thin bar body 4 connects with the front threads of rear thick bar body 3; The outer wall of front thin bar body 6 and rear thick bar body 3 is equipped with the handling groove 4 during spanner handling; Be provided with two groups side by side before and after described through hole 7, often group is all uniformly distributed along the circumference of front thin bar body.Described front thin bar body and rear thick bar body raw material are 45#, through rough turn, modified, half finish turning, milling spline, hole milling, and milling is flat, formation of turning blue.Described positioning spigot is for locating rear thick bar body; Described positioning step is for limiting the movable maximum position of spool; The seam of location valve seat is also provided with in the inside of drill rod body.
Claims (4)
1. a horizontal directional drilling machine creeps into and uses warning drilling rod, comprise drill rod body, female joint is fixed with in the rear end of drill rod body, the inside of female joint is provided with flushing liquor admission chamber, male joint is fixed with in the front end of drill rod body, the inside of male joint is provided with flushing liquor and goes out sap cavity, it is characterized in that: be provided with the hollow straight-bar body axially parallel with drill rod body in the inside of drill rod body, hollow straight-bar body rear portion is provided with and coordinates the fixed middle boss in determining with drill rod body inwall, the inwall of drill rod body is provided with the positioning spigot coordinated with surely middle boss, the inner chamber of described hollow straight-bar body is set to go out with flushing liquor admission chamber and flushing liquor the passage of irrigation fluid I that sap cavity communicates, between the outer wall of hollow straight-bar body and the inwall of drill rod body, chamber is set to passage of irrigation fluid II, the circumference of surely middle boss is provided with the split channel of some connection passage of irrigation fluid II and flushing liquor admission chamber, flushing liquor gauge tap is provided with in the inside of the front drill rod body of hollow straight-bar body, described flushing liquor gauge tap comprises the valve seat be fixedly connected with drill rod body inwall, valve seat is provided with the flushing liquor through-flow channel going out sap cavity with flushing liquor and communicate, be provided with at the rear portion of valve seat along the axial arranged gathering sill of drill rod body, the spool that slide anteroposterior opens and closes flushing liquor through-flow channel is provided with in gathering sill, Compress Spring is provided with between spool and valve seat, the opening communicated with flushing liquor through-flow channel is had in the rear end of spool, the beloid taper guiding cap coordinated with hollow straight-bar body front end face is provided with at opening part, described hollow straight-bar body front end face to stretch in taper guiding cap and passage of irrigation fluid I and opening just to setting, the through hole of some connection passage of irrigation fluid I and passage of irrigation fluid II is provided with in the front portion of hollow straight-bar body, the positioning step coordinated with taper guiding cap is provided with in the inside of drill rod body.
2. horizontal directional drilling machine according to claim 1 creeps into and uses warning drilling rod, it is characterized in that: described hollow straight-bar body comprises front thin bar body and rear thick bar body, and the rear portion of front thin bar body connects with the front threads of rear thick bar body.
3. horizontal directional drilling machine according to claim 2 creeps into and uses warning drilling rod, it is characterized in that: on the outer wall of front thin bar body and rear thick bar body, be equipped with handling groove during spanner handling.
4. horizontal directional drilling machine according to claim 1 creeps into and uses warning drilling rod, it is characterized in that: be provided with two groups side by side before and after described through hole, and often group is all uniformly distributed along the circumference of front thin bar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634029.5A CN104358528B (en) | 2014-11-12 | 2014-11-12 | Horizontal directional drill machine creeps into uses warning drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634029.5A CN104358528B (en) | 2014-11-12 | 2014-11-12 | Horizontal directional drill machine creeps into uses warning drilling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358528A true CN104358528A (en) | 2015-02-18 |
| CN104358528B CN104358528B (en) | 2016-06-01 |
Family
ID=52525825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410634029.5A Active CN104358528B (en) | 2014-11-12 | 2014-11-12 | Horizontal directional drill machine creeps into uses warning drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358528B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502572A (en) * | 2020-05-08 | 2020-08-07 | 长江大学 | Radial drilling and drilling control valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341803A (en) * | 2000-08-28 | 2002-03-27 | 霍利贝顿能源服务公司 | Method for predicting drilling system performance for given formation and its system |
| CN1791731A (en) * | 2003-04-25 | 2006-06-21 | 因特森科技公司 | Systems and methods using a continuously variable transmission to control one or more system components |
| CN204212714U (en) * | 2014-11-12 | 2015-03-18 | 连云港黄海机械股份有限公司 | A kind of horizontal directional drilling machine creeps into uses warning drilling rod |
-
2014
- 2014-11-12 CN CN201410634029.5A patent/CN104358528B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1341803A (en) * | 2000-08-28 | 2002-03-27 | 霍利贝顿能源服务公司 | Method for predicting drilling system performance for given formation and its system |
| CN1791731A (en) * | 2003-04-25 | 2006-06-21 | 因特森科技公司 | Systems and methods using a continuously variable transmission to control one or more system components |
| CN204212714U (en) * | 2014-11-12 | 2015-03-18 | 连云港黄海机械股份有限公司 | A kind of horizontal directional drilling machine creeps into uses warning drilling rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502572A (en) * | 2020-05-08 | 2020-08-07 | 长江大学 | Radial drilling and drilling control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358528B (en) | 2016-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160505 Address after: 222000 Jiangsu, Haizhou District, Haizhou Development Zone, the new East Road, No. 1 Applicant after: H.H. DRILL-TECH DRILLING MACHINERY CO., LTD. Address before: 222000 Jiangsu, Haizhou District, Haizhou Development Zone, the new East Road, No. 1 Applicant before: Lianyungang Huanghai Machinery Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |